Description: A small example of the drag effect, you can drag it to another box, hope to help
To Search:
File list (Check if you may need any files):
DragAndDrop
...........\App.xaml
...........\App.xaml.cs
...........\bin
...........\...\Debug
...........\...\.....\DragAndDrop.exe
...........\...\.....\DragAndDrop.pdb
...........\...\.....\DragAndDrop.vshost.exe
...........\...\.....\DragAndDrop.vshost.exe.manifest
...........\...\Release
...........\DragAdorner.cs
...........\DragAndDrop.csproj
...........\DragAndDrop.csproj.user
...........\DragAndDrop.sln
...........\DragAndDrop.suo
...........\DragDrop.cs
...........\MainWindow.xaml
...........\MainWindow.xaml.cs
...........\obj
...........\...\x86
...........\...\...\Debug
...........\...\...\.....\App.g.cs
...........\...\...\.....\App.g.i.cs
...........\...\...\.....\DesignTimeResolveAssemblyReferences.cache
...........\...\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
...........\...\...\.....\DragAndDrop.csproj.FileListAbsolute.txt
...........\...\...\.....\DragAndDrop.exe
...........\...\...\.....\DragAndDrop.g.resources
...........\...\...\.....\DragAndDrop.pdb
...........\...\...\.....\DragAndDrop.Properties.Resources.resources
...........\...\...\.....\DragAndDrop_MarkupCompile.cache
...........\...\...\.....\DragAndDrop_MarkupCompile.i.cache
...........\...\...\.....\DragAndDrop_MarkupCompile.i.lref
...........\...\...\.....\DragAndDrop_MarkupCompile.lref
...........\...\...\.....\GeneratedInternalTypeHelper.g.cs
...........\...\...\.....\GeneratedInternalTypeHelper.g.i.cs
...........\...\...\.....\GenerateResource.read.1.tlog
...........\...\...\.....\GenerateResource.write.1.tlog
...........\...\...\.....\MainWindow.baml
...........\...\...\.....\MainWindow.g.cs
...........\...\...\.....\MainWindow.g.i.cs
...........\...\...\.....\TempPE
...........\...\...\.....\......\Properties.Resources.Designer.cs.dll
...........\Properties
...........\..........\AssemblyInfo.cs
...........\..........\Resources.Designer.cs
...........\..........\Resources.resx
...........\..........\Settings.Designer.cs
...........\..........\Settings.settings