diff --git a/sample/bf.vcproj b/sample/bf.vcproj
deleted file mode 100644
index 968d2c8..0000000
--- a/sample/bf.vcproj
+++ /dev/null
@@ -1,427 +0,0 @@
-<?xml version="1.0" encoding="shift_jis"?>
-<VisualStudioProject
-	ProjectType="Visual C++"
-	Version="9.00"
-	Name="bf"
-	ProjectGUID="{654BD79B-59D3-4B10-BBAA-158BAB272828}"
-	TargetFrameworkVersion="0"
-	>
-	<Platforms>
-		<Platform
-			Name="Win32"
-		/>
-		<Platform
-			Name="x64"
-		/>
-	</Platforms>
-	<ToolFiles>
-	</ToolFiles>
-	<Configurations>
-		<Configuration
-			Name="Release|Win32"
-			OutputDirectory=".\Release"
-			IntermediateDirectory=".\Release"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TypeLibraryName=".\Release/bf.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
-				StringPooling="true"
-				RuntimeLibrary="0"
-				EnableFunctionLevelLinking="true"
-				PrecompiledHeaderFile=".\Release/bf.pch"
-				AssemblerListingLocation=".\Release/"
-				ObjectFile=".\Release/"
-				ProgramDataBaseFileName=".\Release/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="NDEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Release/bf.exe"
-				LinkIncremental="1"
-				SuppressStartupBanner="true"
-				ProgramDatabaseFile=".\Release/bf.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="1"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Release/bf.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Debug|Win32"
-			OutputDirectory=".\Debug"
-			IntermediateDirectory=".\Debug"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TypeLibraryName=".\Debug/bf.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="0"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
-				MinimalRebuild="true"
-				BasicRuntimeChecks="3"
-				RuntimeLibrary="1"
-				PrecompiledHeaderFile=".\Debug/bf.pch"
-				AssemblerListingLocation=".\Debug/"
-				ObjectFile=".\Debug/"
-				ProgramDataBaseFileName=".\Debug/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-				DebugInformationFormat="4"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Debug/bf.exe"
-				LinkIncremental="2"
-				SuppressStartupBanner="true"
-				GenerateDebugInformation="true"
-				ProgramDatabaseFile=".\Debug/bf.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="1"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Debug/bf.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Release|x64"
-			OutputDirectory="$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TargetEnvironment="3"
-				TypeLibraryName=".\Release/bf.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
-				StringPooling="true"
-				RuntimeLibrary="0"
-				EnableFunctionLevelLinking="true"
-				PrecompiledHeaderFile=".\Release/bf.pch"
-				AssemblerListingLocation=".\Release/"
-				ObjectFile=".\Release/"
-				ProgramDataBaseFileName=".\Release/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="NDEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Release/bf.exe"
-				LinkIncremental="1"
-				SuppressStartupBanner="true"
-				ProgramDatabaseFile=".\Release/bf.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="17"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Release/bf.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Debug|x64"
-			OutputDirectory="$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TargetEnvironment="3"
-				TypeLibraryName=".\Debug/bf.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="0"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
-				MinimalRebuild="true"
-				BasicRuntimeChecks="3"
-				RuntimeLibrary="1"
-				PrecompiledHeaderFile=".\Debug/bf.pch"
-				AssemblerListingLocation=".\Debug/"
-				ObjectFile=".\Debug/"
-				ProgramDataBaseFileName=".\Debug/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-				DebugInformationFormat="3"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Debug/bf.exe"
-				LinkIncremental="2"
-				SuppressStartupBanner="true"
-				GenerateDebugInformation="true"
-				ProgramDatabaseFile=".\Debug/bf.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="17"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Debug/bf.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-	</Configurations>
-	<References>
-	</References>
-	<Files>
-		<File
-			RelativePath="bf.cpp"
-			>
-			<FileConfiguration
-				Name="Release|Win32"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					AdditionalIncludeDirectories=""
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-			<FileConfiguration
-				Name="Debug|Win32"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					AdditionalIncludeDirectories=""
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-			<FileConfiguration
-				Name="Release|x64"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					AdditionalIncludeDirectories=""
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-			<FileConfiguration
-				Name="Debug|x64"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					AdditionalIncludeDirectories=""
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-		</File>
-	</Files>
-	<Globals>
-	</Globals>
-</VisualStudioProject>
diff --git a/sample/bf.vcxproj b/sample/bf.vcxproj
index ddc73f5..88a7437 100644
--- a/sample/bf.vcxproj
+++ b/sample/bf.vcxproj
@@ -20,7 +20,7 @@
   </ItemGroup>
   <PropertyGroup Label="Globals">
     <ProjectGuid>{654BD79B-59D3-4B10-BBAA-158BAB272828}</ProjectGuid>
-    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0.17763.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
diff --git a/sample/bf.vcxproj.user b/sample/bf.vcxproj.user
deleted file mode 100644
index be25078..0000000
--- a/sample/bf.vcxproj.user
+++ /dev/null
@@ -1,4 +0,0 @@
-﻿<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup />
-</Project>
\ No newline at end of file
diff --git a/sample/calc.vcproj b/sample/calc.vcproj
deleted file mode 100644
index 3c6148a..0000000
--- a/sample/calc.vcproj
+++ /dev/null
@@ -1,423 +0,0 @@
-<?xml version="1.0" encoding="shift_jis"?>
-<VisualStudioProject
-	ProjectType="Visual C++"
-	Version="9.00"
-	Name="calc"
-	ProjectGUID="{5FDDFAA6-B947-491D-A17E-BBD863846579}"
-	TargetFrameworkVersion="0"
-	>
-	<Platforms>
-		<Platform
-			Name="Win32"
-		/>
-		<Platform
-			Name="x64"
-		/>
-	</Platforms>
-	<ToolFiles>
-	</ToolFiles>
-	<Configurations>
-		<Configuration
-			Name="Release|Win32"
-			OutputDirectory=".\Release"
-			IntermediateDirectory=".\Release"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TypeLibraryName=".\Release/calc.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
-				StringPooling="true"
-				RuntimeLibrary="0"
-				EnableFunctionLevelLinking="true"
-				PrecompiledHeaderFile=".\Release/calc.pch"
-				AssemblerListingLocation=".\Release/"
-				ObjectFile=".\Release/"
-				ProgramDataBaseFileName=".\Release/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="NDEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Release/calc.exe"
-				LinkIncremental="1"
-				SuppressStartupBanner="true"
-				ProgramDatabaseFile=".\Release/calc.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="1"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Release/calc.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Debug|Win32"
-			OutputDirectory=".\Debug"
-			IntermediateDirectory=".\Debug"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TypeLibraryName=".\Debug/calc.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="0"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
-				MinimalRebuild="true"
-				BasicRuntimeChecks="3"
-				RuntimeLibrary="1"
-				PrecompiledHeaderFile=".\Debug/calc.pch"
-				AssemblerListingLocation=".\Debug/"
-				ObjectFile=".\Debug/"
-				ProgramDataBaseFileName=".\Debug/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-				DebugInformationFormat="4"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Debug/calc.exe"
-				LinkIncremental="2"
-				SuppressStartupBanner="true"
-				GenerateDebugInformation="true"
-				ProgramDatabaseFile=".\Debug/calc.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="1"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Debug/calc.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Release|x64"
-			OutputDirectory="$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TargetEnvironment="3"
-				TypeLibraryName=".\Release/calc.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
-				StringPooling="true"
-				RuntimeLibrary="0"
-				EnableFunctionLevelLinking="true"
-				PrecompiledHeaderFile=".\Release/calc.pch"
-				AssemblerListingLocation=".\Release/"
-				ObjectFile=".\Release/"
-				ProgramDataBaseFileName=".\Release/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="NDEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Release/calc.exe"
-				LinkIncremental="1"
-				SuppressStartupBanner="true"
-				ProgramDatabaseFile=".\Release/calc.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="17"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Release/calc.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Debug|x64"
-			OutputDirectory="$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TargetEnvironment="3"
-				TypeLibraryName=".\Debug/calc.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="0"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
-				MinimalRebuild="true"
-				BasicRuntimeChecks="3"
-				RuntimeLibrary="1"
-				PrecompiledHeaderFile=".\Debug/calc.pch"
-				AssemblerListingLocation=".\Debug/"
-				ObjectFile=".\Debug/"
-				ProgramDataBaseFileName=".\Debug/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-				DebugInformationFormat="3"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Debug/calc.exe"
-				LinkIncremental="2"
-				SuppressStartupBanner="true"
-				GenerateDebugInformation="true"
-				ProgramDatabaseFile=".\Debug/calc.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="17"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Debug/calc.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-	</Configurations>
-	<References>
-	</References>
-	<Files>
-		<File
-			RelativePath="calc.cpp"
-			>
-			<FileConfiguration
-				Name="Release|Win32"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-			<FileConfiguration
-				Name="Debug|Win32"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-			<FileConfiguration
-				Name="Release|x64"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-			<FileConfiguration
-				Name="Debug|x64"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-		</File>
-	</Files>
-	<Globals>
-	</Globals>
-</VisualStudioProject>
diff --git a/sample/calc.vcxproj b/sample/calc.vcxproj
index b32e5d1..2846bb3 100644
--- a/sample/calc.vcxproj
+++ b/sample/calc.vcxproj
@@ -20,7 +20,7 @@
   </ItemGroup>
   <PropertyGroup Label="Globals">
     <ProjectGuid>{5FDDFAA6-B947-491D-A17E-BBD863846579}</ProjectGuid>
-    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0.17763.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
diff --git a/sample/calc.vcxproj.user b/sample/calc.vcxproj.user
deleted file mode 100644
index be25078..0000000
--- a/sample/calc.vcxproj.user
+++ /dev/null
@@ -1,4 +0,0 @@
-﻿<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup />
-</Project>
\ No newline at end of file
diff --git a/sample/quantize.vcproj b/sample/quantize.vcproj
deleted file mode 100644
index a197e63..0000000
--- a/sample/quantize.vcproj
+++ /dev/null
@@ -1,427 +0,0 @@
-<?xml version="1.0" encoding="shift_jis"?>
-<VisualStudioProject
-	ProjectType="Visual C++"
-	Version="9.00"
-	Name="quantize"
-	ProjectGUID="{D06753BF-E1F3-4578-9B18-08673327F77C}"
-	TargetFrameworkVersion="0"
-	>
-	<Platforms>
-		<Platform
-			Name="Win32"
-		/>
-		<Platform
-			Name="x64"
-		/>
-	</Platforms>
-	<ToolFiles>
-	</ToolFiles>
-	<Configurations>
-		<Configuration
-			Name="Debug|Win32"
-			OutputDirectory=".\Debug"
-			IntermediateDirectory=".\Debug"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TypeLibraryName=".\Debug/quantize.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="0"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
-				MinimalRebuild="true"
-				BasicRuntimeChecks="3"
-				RuntimeLibrary="1"
-				PrecompiledHeaderFile=".\Debug/quantize.pch"
-				AssemblerListingLocation=".\Debug/"
-				ObjectFile=".\Debug/"
-				ProgramDataBaseFileName=".\Debug/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-				DebugInformationFormat="4"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Debug/quantize.exe"
-				LinkIncremental="2"
-				SuppressStartupBanner="true"
-				GenerateDebugInformation="true"
-				ProgramDatabaseFile=".\Debug/quantize.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="1"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Debug/quantize.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Release|Win32"
-			OutputDirectory=".\Release"
-			IntermediateDirectory=".\Release"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TypeLibraryName=".\Release/quantize.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
-				StringPooling="true"
-				RuntimeLibrary="0"
-				EnableFunctionLevelLinking="true"
-				PrecompiledHeaderFile=".\Release/quantize.pch"
-				AssemblerListingLocation=".\Release/"
-				ObjectFile=".\Release/"
-				ProgramDataBaseFileName=".\Release/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="NDEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Release/quantize.exe"
-				LinkIncremental="1"
-				SuppressStartupBanner="true"
-				ProgramDatabaseFile=".\Release/quantize.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="1"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Release/quantize.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Debug|x64"
-			OutputDirectory="$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TargetEnvironment="3"
-				TypeLibraryName=".\Debug/quantize.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="0"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
-				MinimalRebuild="true"
-				BasicRuntimeChecks="3"
-				RuntimeLibrary="1"
-				PrecompiledHeaderFile=".\Debug/quantize.pch"
-				AssemblerListingLocation=".\Debug/"
-				ObjectFile=".\Debug/"
-				ProgramDataBaseFileName=".\Debug/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-				DebugInformationFormat="3"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Debug/quantize.exe"
-				LinkIncremental="2"
-				SuppressStartupBanner="true"
-				GenerateDebugInformation="true"
-				ProgramDatabaseFile=".\Debug/quantize.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="17"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Debug/quantize.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Release|x64"
-			OutputDirectory="$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TargetEnvironment="3"
-				TypeLibraryName=".\Release/quantize.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
-				StringPooling="true"
-				RuntimeLibrary="0"
-				EnableFunctionLevelLinking="true"
-				PrecompiledHeaderFile=".\Release/quantize.pch"
-				AssemblerListingLocation=".\Release/"
-				ObjectFile=".\Release/"
-				ProgramDataBaseFileName=".\Release/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="NDEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Release/quantize.exe"
-				LinkIncremental="1"
-				SuppressStartupBanner="true"
-				ProgramDatabaseFile=".\Release/quantize.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="17"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Release/quantize.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-	</Configurations>
-	<References>
-	</References>
-	<Files>
-		<File
-			RelativePath="quantize.cpp"
-			>
-			<FileConfiguration
-				Name="Debug|Win32"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					AdditionalIncludeDirectories=""
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-			<FileConfiguration
-				Name="Release|Win32"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					AdditionalIncludeDirectories=""
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-			<FileConfiguration
-				Name="Debug|x64"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					AdditionalIncludeDirectories=""
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-			<FileConfiguration
-				Name="Release|x64"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					AdditionalIncludeDirectories=""
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-		</File>
-	</Files>
-	<Globals>
-	</Globals>
-</VisualStudioProject>
diff --git a/sample/quantize.vcxproj b/sample/quantize.vcxproj
index 9a633ef..5d073e7 100644
--- a/sample/quantize.vcxproj
+++ b/sample/quantize.vcxproj
@@ -20,7 +20,7 @@
   </ItemGroup>
   <PropertyGroup Label="Globals">
     <ProjectGuid>{D06753BF-E1F3-4578-9B18-08673327F77C}</ProjectGuid>
-    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0.17763.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
diff --git a/sample/quantize.vcxproj.user b/sample/quantize.vcxproj.user
deleted file mode 100644
index be25078..0000000
--- a/sample/quantize.vcxproj.user
+++ /dev/null
@@ -1,4 +0,0 @@
-﻿<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup />
-</Project>
\ No newline at end of file
diff --git a/sample/test0.vcproj b/sample/test0.vcproj
deleted file mode 100644
index 7ed5571..0000000
--- a/sample/test0.vcproj
+++ /dev/null
@@ -1,427 +0,0 @@
-<?xml version="1.0" encoding="shift_jis"?>
-<VisualStudioProject
-	ProjectType="Visual C++"
-	Version="9.00"
-	Name="test0"
-	ProjectGUID="{1CDE4D2A-BE3A-4B9B-B28F-524A23084A8E}"
-	TargetFrameworkVersion="0"
-	>
-	<Platforms>
-		<Platform
-			Name="Win32"
-		/>
-		<Platform
-			Name="x64"
-		/>
-	</Platforms>
-	<ToolFiles>
-	</ToolFiles>
-	<Configurations>
-		<Configuration
-			Name="Debug|Win32"
-			OutputDirectory=".\Debug"
-			IntermediateDirectory=".\Debug"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TypeLibraryName=".\Debug/test0.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="0"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
-				MinimalRebuild="true"
-				BasicRuntimeChecks="3"
-				RuntimeLibrary="1"
-				PrecompiledHeaderFile=".\Debug/test0.pch"
-				AssemblerListingLocation=".\Debug/"
-				ObjectFile=".\Debug/"
-				ProgramDataBaseFileName=".\Debug/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-				DebugInformationFormat="4"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Debug/test0.exe"
-				LinkIncremental="2"
-				SuppressStartupBanner="true"
-				GenerateDebugInformation="true"
-				ProgramDatabaseFile=".\Debug/test0.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="1"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Debug/test0.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Release|Win32"
-			OutputDirectory=".\Release"
-			IntermediateDirectory=".\Release"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TypeLibraryName=".\Release/test0.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
-				StringPooling="true"
-				RuntimeLibrary="0"
-				EnableFunctionLevelLinking="true"
-				PrecompiledHeaderFile=".\Release/test0.pch"
-				AssemblerListingLocation=".\Release/"
-				ObjectFile=".\Release/"
-				ProgramDataBaseFileName=".\Release/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="NDEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Release/test0.exe"
-				LinkIncremental="1"
-				SuppressStartupBanner="true"
-				ProgramDatabaseFile=".\Release/test0.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="1"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Release/test0.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Debug|x64"
-			OutputDirectory="$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TargetEnvironment="3"
-				TypeLibraryName=".\Debug/test0.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="0"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
-				MinimalRebuild="true"
-				BasicRuntimeChecks="3"
-				RuntimeLibrary="1"
-				PrecompiledHeaderFile=".\Debug/test0.pch"
-				AssemblerListingLocation=".\Debug/"
-				ObjectFile=".\Debug/"
-				ProgramDataBaseFileName=".\Debug/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-				DebugInformationFormat="3"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Debug/test0.exe"
-				LinkIncremental="2"
-				SuppressStartupBanner="true"
-				GenerateDebugInformation="true"
-				ProgramDatabaseFile=".\Debug/test0.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="17"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Debug/test0.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Release|x64"
-			OutputDirectory="$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TargetEnvironment="3"
-				TypeLibraryName=".\Release/test0.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
-				StringPooling="true"
-				RuntimeLibrary="0"
-				EnableFunctionLevelLinking="true"
-				PrecompiledHeaderFile=".\Release/test0.pch"
-				AssemblerListingLocation=".\Release/"
-				ObjectFile=".\Release/"
-				ProgramDataBaseFileName=".\Release/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="NDEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Release/test0.exe"
-				LinkIncremental="1"
-				SuppressStartupBanner="true"
-				ProgramDatabaseFile=".\Release/test0.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="17"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Release/test0.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-	</Configurations>
-	<References>
-	</References>
-	<Files>
-		<File
-			RelativePath="test0.cpp"
-			>
-			<FileConfiguration
-				Name="Debug|Win32"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					AdditionalIncludeDirectories=""
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-			<FileConfiguration
-				Name="Release|Win32"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					AdditionalIncludeDirectories=""
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-			<FileConfiguration
-				Name="Debug|x64"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					AdditionalIncludeDirectories=""
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-			<FileConfiguration
-				Name="Release|x64"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					AdditionalIncludeDirectories=""
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-		</File>
-	</Files>
-	<Globals>
-	</Globals>
-</VisualStudioProject>
diff --git a/sample/test0.vcxproj b/sample/test0.vcxproj
index b0f85fe..847db6c 100644
--- a/sample/test0.vcxproj
+++ b/sample/test0.vcxproj
@@ -20,7 +20,7 @@
   </ItemGroup>
   <PropertyGroup Label="Globals">
     <ProjectGuid>{1CDE4D2A-BE3A-4B9B-B28F-524A23084A8E}</ProjectGuid>
-    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0.17763.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
diff --git a/sample/test0.vcxproj.user b/sample/test0.vcxproj.user
deleted file mode 100644
index be25078..0000000
--- a/sample/test0.vcxproj.user
+++ /dev/null
@@ -1,4 +0,0 @@
-﻿<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup />
-</Project>
\ No newline at end of file
diff --git a/sample/test_util.vcproj b/sample/test_util.vcproj
deleted file mode 100644
index 88de7d9..0000000
--- a/sample/test_util.vcproj
+++ /dev/null
@@ -1,427 +0,0 @@
-<?xml version="1.0" encoding="shift_jis"?>
-<VisualStudioProject
-	ProjectType="Visual C++"
-	Version="9.00"
-	Name="test_util"
-	ProjectGUID="{CFC9B272-FDA1-4C87-B4EF-CDCA9B57F4DD}"
-	TargetFrameworkVersion="0"
-	>
-	<Platforms>
-		<Platform
-			Name="Win32"
-		/>
-		<Platform
-			Name="x64"
-		/>
-	</Platforms>
-	<ToolFiles>
-	</ToolFiles>
-	<Configurations>
-		<Configuration
-			Name="Debug|Win32"
-			OutputDirectory=".\Debug"
-			IntermediateDirectory=".\Debug"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TypeLibraryName=".\Debug/test_util.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="0"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
-				MinimalRebuild="true"
-				BasicRuntimeChecks="3"
-				RuntimeLibrary="1"
-				PrecompiledHeaderFile=".\Debug/test_util.pch"
-				AssemblerListingLocation=".\Debug/"
-				ObjectFile=".\Debug/"
-				ProgramDataBaseFileName=".\Debug/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-				DebugInformationFormat="4"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Debug/test_util.exe"
-				LinkIncremental="2"
-				SuppressStartupBanner="true"
-				GenerateDebugInformation="true"
-				ProgramDatabaseFile=".\Debug/test_util.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="1"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Debug/test_util.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Debug|x64"
-			OutputDirectory="$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TargetEnvironment="3"
-				TypeLibraryName=".\Debug/test_util.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="0"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
-				MinimalRebuild="true"
-				BasicRuntimeChecks="3"
-				RuntimeLibrary="1"
-				PrecompiledHeaderFile=".\Debug/test_util.pch"
-				AssemblerListingLocation=".\Debug/"
-				ObjectFile=".\Debug/"
-				ProgramDataBaseFileName=".\Debug/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-				DebugInformationFormat="3"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Debug/test_util.exe"
-				LinkIncremental="2"
-				SuppressStartupBanner="true"
-				GenerateDebugInformation="true"
-				ProgramDatabaseFile=".\Debug/test_util.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="17"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Debug/test_util.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Release|Win32"
-			OutputDirectory=".\Release"
-			IntermediateDirectory=".\Release"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TypeLibraryName=".\Release/test_util.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
-				StringPooling="true"
-				RuntimeLibrary="0"
-				EnableFunctionLevelLinking="true"
-				PrecompiledHeaderFile=".\Release/test_util.pch"
-				AssemblerListingLocation=".\Release/"
-				ObjectFile=".\Release/"
-				ProgramDataBaseFileName=".\Release/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="NDEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Release/test_util.exe"
-				LinkIncremental="1"
-				SuppressStartupBanner="true"
-				ProgramDatabaseFile=".\Release/test_util.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="1"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Release/test_util.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Release|x64"
-			OutputDirectory="$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TargetEnvironment="3"
-				TypeLibraryName=".\Release/test_util.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
-				StringPooling="true"
-				RuntimeLibrary="0"
-				EnableFunctionLevelLinking="true"
-				PrecompiledHeaderFile=".\Release/test_util.pch"
-				AssemblerListingLocation=".\Release/"
-				ObjectFile=".\Release/"
-				ProgramDataBaseFileName=".\Release/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="NDEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Release/test_util.exe"
-				LinkIncremental="1"
-				SuppressStartupBanner="true"
-				ProgramDatabaseFile=".\Release/test_util.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="17"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Release/test_util.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-	</Configurations>
-	<References>
-	</References>
-	<Files>
-		<File
-			RelativePath="test_util.cpp"
-			>
-			<FileConfiguration
-				Name="Debug|Win32"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					AdditionalIncludeDirectories=""
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-			<FileConfiguration
-				Name="Debug|x64"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					AdditionalIncludeDirectories=""
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-			<FileConfiguration
-				Name="Release|Win32"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					AdditionalIncludeDirectories=""
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-			<FileConfiguration
-				Name="Release|x64"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					AdditionalIncludeDirectories=""
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-		</File>
-	</Files>
-	<Globals>
-	</Globals>
-</VisualStudioProject>
diff --git a/sample/test_util.vcxproj b/sample/test_util.vcxproj
index 05d8f5a..0ed75e1 100644
--- a/sample/test_util.vcxproj
+++ b/sample/test_util.vcxproj
@@ -20,7 +20,7 @@
   </ItemGroup>
   <PropertyGroup Label="Globals">
     <ProjectGuid>{CFC9B272-FDA1-4C87-B4EF-CDCA9B57F4DD}</ProjectGuid>
-    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0.17763.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
diff --git a/sample/test_util.vcxproj.user b/sample/test_util.vcxproj.user
deleted file mode 100644
index be25078..0000000
--- a/sample/test_util.vcxproj.user
+++ /dev/null
@@ -1,4 +0,0 @@
-﻿<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup />
-</Project>
\ No newline at end of file
diff --git a/sample/toyvm.vcproj b/sample/toyvm.vcproj
deleted file mode 100644
index 08d4f05..0000000
--- a/sample/toyvm.vcproj
+++ /dev/null
@@ -1,427 +0,0 @@
-<?xml version="1.0" encoding="shift_jis"?>
-<VisualStudioProject
-	ProjectType="Visual C++"
-	Version="9.00"
-	Name="toyvm"
-	ProjectGUID="{2E41C7AF-39FF-454C-B081-37445378DCB3}"
-	TargetFrameworkVersion="0"
-	>
-	<Platforms>
-		<Platform
-			Name="Win32"
-		/>
-		<Platform
-			Name="x64"
-		/>
-	</Platforms>
-	<ToolFiles>
-	</ToolFiles>
-	<Configurations>
-		<Configuration
-			Name="Debug|Win32"
-			OutputDirectory=".\Debug"
-			IntermediateDirectory=".\Debug"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TypeLibraryName=".\Debug/toyvm.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="0"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
-				MinimalRebuild="true"
-				BasicRuntimeChecks="3"
-				RuntimeLibrary="1"
-				PrecompiledHeaderFile=".\Debug/toyvm.pch"
-				AssemblerListingLocation=".\Debug/"
-				ObjectFile=".\Debug/"
-				ProgramDataBaseFileName=".\Debug/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-				DebugInformationFormat="4"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Debug/toyvm.exe"
-				LinkIncremental="2"
-				SuppressStartupBanner="true"
-				GenerateDebugInformation="true"
-				ProgramDatabaseFile=".\Debug/toyvm.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="1"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Debug/toyvm.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Release|Win32"
-			OutputDirectory=".\Release"
-			IntermediateDirectory=".\Release"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TypeLibraryName=".\Release/toyvm.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
-				StringPooling="true"
-				RuntimeLibrary="0"
-				EnableFunctionLevelLinking="true"
-				PrecompiledHeaderFile=".\Release/toyvm.pch"
-				AssemblerListingLocation=".\Release/"
-				ObjectFile=".\Release/"
-				ProgramDataBaseFileName=".\Release/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="NDEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Release/toyvm.exe"
-				LinkIncremental="1"
-				SuppressStartupBanner="true"
-				ProgramDatabaseFile=".\Release/toyvm.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="1"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Release/toyvm.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Debug|x64"
-			OutputDirectory="$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TargetEnvironment="3"
-				TypeLibraryName=".\Debug/toyvm.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="0"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
-				MinimalRebuild="true"
-				BasicRuntimeChecks="3"
-				RuntimeLibrary="1"
-				PrecompiledHeaderFile=".\Debug/toyvm.pch"
-				AssemblerListingLocation=".\Debug/"
-				ObjectFile=".\Debug/"
-				ProgramDataBaseFileName=".\Debug/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-				DebugInformationFormat="3"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Debug/toyvm.exe"
-				LinkIncremental="2"
-				SuppressStartupBanner="true"
-				GenerateDebugInformation="true"
-				ProgramDatabaseFile=".\Debug/toyvm.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="17"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Debug/toyvm.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Release|x64"
-			OutputDirectory="$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
-			ConfigurationType="1"
-			InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC60.vsprops"
-			UseOfMFC="0"
-			ATLMinimizesCRunTimeLibraryUsage="false"
-			CharacterSet="2"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TargetEnvironment="3"
-				TypeLibraryName=".\Release/toyvm.tlb"
-				HeaderFileName=""
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="2"
-				InlineFunctionExpansion="1"
-				AdditionalIncludeDirectories="../"
-				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
-				StringPooling="true"
-				RuntimeLibrary="0"
-				EnableFunctionLevelLinking="true"
-				PrecompiledHeaderFile=".\Release/toyvm.pch"
-				AssemblerListingLocation=".\Release/"
-				ObjectFile=".\Release/"
-				ProgramDataBaseFileName=".\Release/"
-				WarningLevel="4"
-				SuppressStartupBanner="true"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="NDEBUG"
-				Culture="1041"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLinkerTool"
-				OutputFile=".\Release/toyvm.exe"
-				LinkIncremental="1"
-				SuppressStartupBanner="true"
-				ProgramDatabaseFile=".\Release/toyvm.pdb"
-				SubSystem="1"
-				RandomizedBaseAddress="1"
-				DataExecutionPrevention="0"
-				TargetMachine="17"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCManifestTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-				SuppressStartupBanner="true"
-				OutputFile=".\Release/toyvm.bsc"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCAppVerifierTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-	</Configurations>
-	<References>
-	</References>
-	<Files>
-		<File
-			RelativePath="toyvm.cpp"
-			>
-			<FileConfiguration
-				Name="Debug|Win32"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					AdditionalIncludeDirectories=""
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-			<FileConfiguration
-				Name="Release|Win32"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					AdditionalIncludeDirectories=""
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-			<FileConfiguration
-				Name="Debug|x64"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					AdditionalIncludeDirectories=""
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-			<FileConfiguration
-				Name="Release|x64"
-				>
-				<Tool
-					Name="VCCLCompilerTool"
-					AdditionalIncludeDirectories=""
-					PreprocessorDefinitions=""
-				/>
-			</FileConfiguration>
-		</File>
-	</Files>
-	<Globals>
-	</Globals>
-</VisualStudioProject>
diff --git a/sample/toyvm.vcxproj b/sample/toyvm.vcxproj
index 081b16a..1663516 100644
--- a/sample/toyvm.vcxproj
+++ b/sample/toyvm.vcxproj
@@ -20,7 +20,7 @@
   </ItemGroup>
   <PropertyGroup Label="Globals">
     <ProjectGuid>{2E41C7AF-39FF-454C-B081-37445378DCB3}</ProjectGuid>
-    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0.17763.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
diff --git a/sample/toyvm.vcxproj.user b/sample/toyvm.vcxproj.user
deleted file mode 100644
index be25078..0000000
--- a/sample/toyvm.vcxproj.user
+++ /dev/null
@@ -1,4 +0,0 @@
-﻿<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <PropertyGroup />
-</Project>
\ No newline at end of file
diff --git a/xbyak.sln b/xbyak.sln
index 89260c1..b20afd6 100644
--- a/xbyak.sln
+++ b/xbyak.sln
@@ -14,7 +14,7 @@
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "test_util", "sample\test_util.vcxproj", "{CFC9B272-FDA1-4C87-B4EF-CDCA9B57F4DD}"
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "calc2", "sample\calc2.vcproj", "{8EC11C7F-1B5C-4787-8940-B9B3AAF1D204}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "calc2", "sample\calc2.vcxproj", "{8EC11C7F-1B5C-4787-8940-B9B3AAF1D204}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution