C#GDI+双缓冲高效绘图

BufferedGraphicsContext GraphicsContext = BufferedGraphicsManager.Current;

BufferedGraphics myBuffer = GraphicsContext.Allocate(e.Graphics, e.ClipRectangle);

Graphics g = myBuffer.Graphics;

g.PixelOffsetMode = PixelOffsetMode.HighQuality;

g.SmoothingMode = SmoothingMode.HighQuality;

g.Clear(BackColor);

Pen bluePen2 = new Pen(Color.Blue);

LineDrawRoutine(g, bluePen2);

myBuffer.Render(e.Graphics);

g.Dispose();

myBuffer.Dispose();