asp.net技术内幕的书配源码

				
				
				
				
				
				
				void Page_Load(Object sender , EventArgs e) 
				{
					Bitmap objBitmap;
					Graphics objGraphics;
					  
					//Create Bitmap
					objBitmap = new Bitmap( 400, 200 );
				
					//Create Graphics
					objGraphics = Graphics.FromImage( objBitmap );
				
					//Draw Rectangle
					objGraphics.DrawRectangle( Pens.Green, 50, 50, 100, 100 );
				
					//Display Bitmap
					objBitmap.Save( Response.OutputStream, ImageFormat.Gif );
				}