C#自定义控件（多选下拉等）
..........................\CustomControlDemo
..........................\.................\App.ico
..........................\.................\AssemblyInfo.cs
..........................\.................\CustomControlDemo.csproj
..........................\.................\CustomControlDemo.csproj.user
..........................\.................\CustomControlDemo.suo
..........................\.................\Form1.cs
..........................\.................\Form1.resx
..........................\.................\bin
..........................\.................\...\Debug
..........................\.................\...\.....\CustomControlDemo.exe
..........................\.................\...\.....\CustomControlDemo.pdb
..........................\.................\...\.....\CustomControlDemo.vshost.exe
..........................\.................\...\.....\CustomControls.dll
..........................\.................\...\.....\CustomControls.pdb
..........................\.................\...\Release
..........................\.................\...\.......\CustomControlDemo.exe
..........................\.................\...\.......\CustomControls.dll
..........................\.................\obj
..........................\.................\...\Debug
..........................\.................\...\.....\CustomControlDemo.Form1.resources
..........................\.................\...\.....\CustomControlDemo.csproj.FileListAbsolute.txt
..........................\.................\...\.....\CustomControlDemo.exe
..........................\.................\...\.....\CustomControlDemo.pdb
..........................\.................\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
..........................\.................\...\.....\ResolveAssemblyReference.cache
..........................\.................\...\.....\TempPE
..........................\CustomControls
..........................\..............\CalendarViewEx.cs
..........................\..............\CalendarViewEx.resx
..........................\..............\CheckCombo.cs
..........................\..............\ColorUtil.cs
..........................\..............\CustomComboBox.cs
..........................\..............\CustomComboBox.resx
..........................\..............\CustomControls.csproj
..........................\..............\CustomControls.csproj.user
..........................\..............\CustomControls.sln
..........................\..............\CustomControls.suo
..........................\..............\DateCombo.cs
..........................\..............\Enumerations.cs
..........................\..............\Enums.cs
..........................\..............\FlagsEditor.cs
..........................\..............\Functions.cs
..........................\..............\GDIUtil.cs
..........................\..............\GDIUtilities.cs
..........................\..............\RegistryUtil.cs
..........................\..............\ResourceUtil.cs
..........................\..............\Structs.cs
..........................\..............\TextUtil.cs
..........................\..............\TreeCombo.cs
..........................\..............\bin
..........................\..............\...\Debug
..........................\..............\...\.....\CustomControls.dll
..........................\..............\...\.....\CustomControls.pdb
..........................\..............\...\Release
..........................\..............\...\.......\CustomControls.dll
..........................\..............\checkcombo.resx
..........................\..............\datecombo.resx
..........................\..............\obj
..........................\..............\...\Debug
..........................\..............\...\.....\CustomControls.csproj.FileListAbsolute.txt
..........................\..............\...\.....\CustomControls.dll
..........................\..............\...\.....\CustomControls.pdb
..........................\..............\...\....