// This example assumes the existence of a form called Form1.BufferedGraphicsContext currentContext;BufferedGraphics myBuffer;// Gets a reference to the current BufferedGraphicsContextcurrentContext = BufferedGraphicsManager.Current;// Creates a BufferedGraphics instance associated with Form1, and with // dimensions the same size as the drawing surface of Form1.myBuffer = currentContext.Allocate(Form1.CreateGraphics(), Form1.DisplayRectangle);