Merge pull request #953 from dotnet-campus/t/lindexi/FullScreen

加上稳定的全屏窗口功能

src/Shared/HandyControl_Shared/HandyControl_Shared.projitems

@@ -85,6 +85,7 @@
     <Compile Include="$(MSBuildThisFileDirectory)Controls\Tag\TagContainer.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Controls\Text\HighlightTextBlock.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Controls\Text\SimpleText.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Tools\Helper\FullScreenHelper.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Controls\Window\GlowWindow.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Data\EnumItem.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Data\PanelUvSize.cs" />