url: Attempt at WinRT support.
diff --git a/VisualC-WinRT/UWP_VS2015/SDL-UWP.vcxproj b/VisualC-WinRT/UWP_VS2015/SDL-UWP.vcxproj
index 45fcbe8..9d42249 100644
--- a/VisualC-WinRT/UWP_VS2015/SDL-UWP.vcxproj
+++ b/VisualC-WinRT/UWP_VS2015/SDL-UWP.vcxproj
@@ -255,7 +255,7 @@
     <ClCompile Include="..\..\src\locale\SDL_locale.c" />

     <ClCompile Include="..\..\src\locale\winrt\SDL_syslocale.c" />

     <ClCompile Include="..\..\src\misc\SDL_url.c" />

-    <ClCompile Include="..\..\src\misc\windows\SDL_sysurl.c" />

+    <ClCompile Include="..\..\src\misc\winrt\SDL_sysurl.cpp" />

     <ClCompile Include="..\..\src\power\SDL_power.c" />

     <ClCompile Include="..\..\src\power\winrt\SDL_syspower.cpp" />

     <ClCompile Include="..\..\src\render\direct3d11\SDL_render_d3d11.c" />

diff --git a/VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.vcxproj b/VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.vcxproj
index 93ab029..1195974 100644
--- a/VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.vcxproj
+++ b/VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.vcxproj
@@ -251,7 +251,7 @@
     <ClCompile Include="..\..\src\locale\SDL_locale.c" />

     <ClCompile Include="..\..\src\locale\winrt\SDL_syslocale.c" />

     <ClCompile Include="..\..\src\misc\SDL_url.c" />

-    <ClCompile Include="..\..\src\misc\windows\SDL_sysurl.c" />

+    <ClCompile Include="..\..\src\misc\winrt\SDL_sysurl.cpp" />

     <ClCompile Include="..\..\src\sensor\dummy\SDL_dummysensor.c" />

     <ClCompile Include="..\..\src\sensor\SDL_sensor.c" />

     <ClCompile Include="..\..\src\stdlib\SDL_getenv.c" />

diff --git a/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj b/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj
index f343a0a..d11ab3a 100644
--- a/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj
+++ b/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj
@@ -283,7 +283,7 @@
     <ClInclude Include="..\..\src\locale\SDL_locale.c" />

     <ClInclude Include="..\..\src\locale\winrt\SDL_syslocale.c" />

     <ClCompile Include="..\..\src\misc\SDL_url.c" />

-    <ClCompile Include="..\..\src\misc\windows\SDL_sysurl.c" />

+    <ClCompile Include="..\..\src\misc\winrt\SDL_sysurl.cpp" />

     <ClCompile Include="..\..\src\sensor\dummy\SDL_dummysensor.c" />

     <ClCompile Include="..\..\src\sensor\SDL_sensor.c" />

     <ClCompile Include="..\..\src\stdlib\SDL_getenv.c" />

diff --git a/src/misc/winrt/SDL_sysurl.cpp b/src/misc/winrt/SDL_sysurl.cpp
new file mode 100644
index 0000000..a2c0fc6
--- /dev/null
+++ b/src/misc/winrt/SDL_sysurl.cpp
@@ -0,0 +1,43 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#include <Windows.h>
+
+#include "../SDL_sysurl.h"
+
+int
+SDL_SYS_OpenURL(const char *url)
+{
+    auto uri = ref new Windows::Foundation::Uri(url);
+    concurrency::task<bool> launchUriOperation(Windows::System::Launcher::LaunchUriAsync(uri));
+    int retval = -1;
+    launchUriOperation.then([](bool success) {
+        if (success) {
+            retval = 0;
+        } else {
+            retval = SDL_SetError("URL failed to launch");
+        }
+    });
+    return retval;
+}
+
+/* vi: set ts=4 sw=4 expandtab: */
+