Description: Visual C# draw points defined by the four Point Bezier spline curves, draw four small circles represent each point, use a brush to fill the specified area, used PhotoShop graphics processing tools friends will understand this and the inside of the pen tool is very similar.
To Search:
File list (Check if you may need any files):
GDIApp2\GDIApp2\App.ico
.......\.......\AssemblyInfo.cs
.......\.......\Form1.cs
.......\.......\Form1.resx
.......\.......\GDIApp2.csproj
.......\.......\GDIApp2.csproj.user
.......\GDIApp2.sln
.......\GDIApp2.suo
.......\GDIApp2
GDIApp2