Description: Can draw a straight line, choose a straight line, drag a straight line and some other features to show GDI graphics programming.
File list (Check if you may need any files):
4auto cad\auto cad\auto cad.csproj
.........\........\bin\Debug\auto cad.vshost.exe
.........\........\ClassDiagram1.cd
.........\........\Form1.cs
.........\........\Form1.Designer.cs
.........\........\Form1.resx
.........\........\GraphicBase.cs
.........\........\Kindpoint.cs
.........\........\obj\auto cad.csproj.FileList.txt
.........\........\...\Debug\auto cad.csproj.GenerateResource.Cache
.........\........\...\.....\auto_cad.Form1.resources
.........\........\Program.cs
.........\........\sharptype.cs
.........\........\ToolBase.cs
.........\........\Toolline.cs
.........\auto cad.sln
.........\auto cad.suo
.........\........\obj\Debug\Refactor
.........\........\...\.....\TempPE
.........\........\bin\Debug
.........\........\obj\Debug
.........\........\bin
.........\........\obj
.........\........\Properties
.........\auto cad
4auto cad