Update WPFDevelopers.Samples40.csproj

Author: yanjinhuagood

src/WPFDevelopers.Samples40/WPFDevelopers.Samples40.csproj

@@ -2,7 +2,7 @@
 	<PropertyGroup>
 		<TargetFramework>net40</TargetFramework>
 	</PropertyGroup>
-	<Import Project="../Resources.props"/>
+	<Import Project="../Resources.props" />
 	<ItemGroup>
 		<BootstrapperPackage Include="Microsoft.Net.Framework.3.5.SP1">
 			<Visible>False</Visible>
@@ -11,7 +11,9 @@
 		</BootstrapperPackage>
 	</ItemGroup>
 	<ItemGroup>
-		<ProjectReference Include="..\WPFDevelopers.Net40\WPFDevelopers.Net40.csproj" />
+	  <PackageReference Include="WPFDevelopers" Version="1.1.0.2-preview6" />
+	</ItemGroup>
+	<ItemGroup>
 		<ProjectReference Include="..\WPFDevelopers.SamplesCode\WPFDevelopers.SamplesCode.csproj" />
 	</ItemGroup>
 	<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">