可实现如下效果：https://www.haolizi.net/example/view_36907.html
资源文件列表
TreeGridViewDLL/bin/Debug/TreeGridViewDLL.dll , 25600
TreeGridViewDLL/bin/Debug/TreeGridViewDLL.pdb , 50688
TreeGridViewDLL/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache , 6709
TreeGridViewDLL/obj/Debug/TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs , 0
TreeGridViewDLL/obj/Debug/TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs , 0
TreeGridViewDLL/obj/Debug/TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs , 0
TreeGridViewDLL/obj/Debug/TreeGridViewDLL.csproj.FileListAbsolute.txt , 256
TreeGridViewDLL/obj/Debug/TreeGridViewDLL.dll , 25600
TreeGridViewDLL/obj/Debug/TreeGridViewDLL.pdb , 50688
TreeGridViewDLL/Properties/AssemblyInfo.cs , 1354
TreeGridViewDLL/TreeGridView.cs , 24413
TreeGridViewDLL/TreeGridViewDLL.csproj , 2655
TreeGridViewDLL/TreeGridViewDLL.csproj.user , 228
TreeGridViewDLL/TreeGridViewDLL.sln , 998
TreeGridViewDLL/TreeGridViewDLL.v12.suo , 37376
TreeGridViewDLL/TreeRow.cs , 3627
TreeGridViewDLL/TreeRowCollection.cs , 1196