Updated the .targets file to a new set of copy rules:

- always copy, unless ShouldIncludeNativeSkiaSharp=True
 - copy all platforms on AnyCPU

binding/SkiaSharp.Desktop/nuget/build/net45/SkiaSharp.Desktop.targets

@@ -2,19 +2,12 @@
 <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
 
     <!-- if ShouldIncludeNativeSkiaSharp == False then don't include the native libSkiaSharp -->
-    <!-- if IsLibraryOutputType == True then don't copy the native files as they will be copied by the app -->
     <PropertyGroup>
-        <!-- set the variable to true whenever they should be -->
-        <IsLibraryOutputType Condition=" '$(IsLibraryOutputType)' == '' and '$(OutputType)' == 'Library' ">True</IsLibraryOutputType>
-        <ShouldIncludeNativeSkiaSharp Condition=" '$(ShouldIncludeNativeSkiaSharp)' == '' and '$(IsLibraryOutputType)' != 'True' ">True</ShouldIncludeNativeSkiaSharp>
-        
-        <!-- set the final values based on the variables -->
-        <IsLibraryOutputType Condition=" '$(IsLibraryOutputType)' == '' ">False</IsLibraryOutputType>
-        <ShouldIncludeNativeSkiaSharp Condition=" '$(ShouldIncludeNativeSkiaSharp)' == '' and '$(IsLibraryOutputType)' == 'True' ">False</ShouldIncludeNativeSkiaSharp>
+        <ShouldIncludeNativeSkiaSharp Condition=" '$(ShouldIncludeNativeSkiaSharp)' == '' ">True</ShouldIncludeNativeSkiaSharp>
     </PropertyGroup>
 
     <!-- add the native x86 Windows library -->
-    <ItemGroup Condition=" '$(ShouldIncludeNativeSkiaSharp)' != 'False' and '$(Platform)' == 'x86' and '$(OS)' != 'Unix' ">
+    <ItemGroup Condition=" '$(ShouldIncludeNativeSkiaSharp)' != 'False' and '$(PlatformTarget)' == 'x86' and '$(OS)' != 'Unix' ">
         <None Include="$(MSBuildThisFileDirectory)..\..\runtimes\win7-x86\native\libSkiaSharp.dll">
             <Link>libSkiaSharp.dll</Link>
             <CopyToOutputDirectory>Always</CopyToOutputDirectory>
@@ -22,19 +15,24 @@
     </ItemGroup>
 
     <!-- add the native x64 Windows library -->
-    <ItemGroup Condition=" '$(ShouldIncludeNativeSkiaSharp)' != 'False' and '$(Platform)' == 'x64' and '$(OS)' != 'Unix' ">
+    <ItemGroup Condition=" '$(ShouldIncludeNativeSkiaSharp)' != 'False' and '$(PlatformTarget)' == 'x64' and '$(OS)' != 'Unix' ">
         <None Include="$(MSBuildThisFileDirectory)..\..\runtimes\win7-x64\native\libSkiaSharp.dll">
             <Link>libSkiaSharp.dll</Link>
             <CopyToOutputDirectory>Always</CopyToOutputDirectory>
         </None>
     </ItemGroup>
 
-    <!-- make sure Windows is x86 or x64 -->
-    <Target Condition=" '$(ShouldIncludeNativeSkiaSharp)' != 'False' and '$(Platform)' != 'x64' and '$(Platform)' != 'x86' and '$(OS)' != 'Unix' " 
-            Name="CheckSkiaPlatforms" 
-            BeforeTargets="Build">
-        <Error Text="The Platform needs to be either x64 or x86 to support Skia in Windows." />
-    </Target>
+    <!-- copy both native Windows libraries for Any CPU -->
+    <ItemGroup Condition=" '$(ShouldIncludeNativeSkiaSharp)' != 'False' and '$(PlatformTarget)' != 'x64' and '$(PlatformTarget)' != 'x86' and '$(OS)' != 'Unix' ">
+        <None Include="$(MSBuildThisFileDirectory)..\..\runtimes\win7-x86\native\libSkiaSharp.dll">
+            <Link>x86\libSkiaSharp.dll</Link>
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+        </None>
+        <None Include="$(MSBuildThisFileDirectory)..\..\runtimes\win7-x64\native\libSkiaSharp.dll">
+            <Link>x64\libSkiaSharp.dll</Link>
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+        </None>
+    </ItemGroup>
 
     <!-- add the native OSX library -->
     <ItemGroup Condition=" '$(ShouldIncludeNativeSkiaSharp)' != 'False' and '$(OS)' == 'Unix' ">