Update WPFDevelopers.Samples45x.csproj

Author: yanjinhuagood

src/WPFDevelopers.Samples45x/WPFDevelopers.Samples45x.csproj

@@ -1,8 +1,10 @@
 <Project Sdk="Microsoft.NET.Sdk">
-	<Import Project="../Resources.props"/>
-	<Import Project="../TargetFrameworks.props"/>
+	<Import Project="../Resources.props" />
+	<Import Project="../TargetFrameworks.props" />
+	<ItemGroup>
+	  <PackageReference Include="WPFDevelopers" Version="1.1.0.2-preview6" />
+	</ItemGroup>
 	<ItemGroup>
-		<ProjectReference Include="..\WPFDevelopers.Net45x\WPFDevelopers.Net45x.csproj" />
 		<ProjectReference Include="..\WPFDevelopers.SamplesCode\WPFDevelopers.SamplesCode.csproj" />
 	</ItemGroup>
 	<Import Project="..\WPFDevelopers.Samples.Shared\WPFDevelopers.Samples.Shared.projitems" Label="Shared" />