学步园

//当前窗口宽度
int iWidth = this.Width;
//当前窗口高度
int iHeight = this.Height;
//截取主屏幕
Screen scrPrimary = Screen.PrimaryScreen;
//创建一个和屏幕一样大的Bitmap
Image myImage = new Bitmap(iWidth, iHeight);
//从一个继承自Image类的对象中创建Graphics对象
Graphics graphi = Graphics.FromImage(myImage);
//抓屏并拷贝到myimage里
graphi.CopyFromScreen(new Point(this.Location.X,this.Location.Y), new Point(0, 0), new Size(iWidth, iHeight));
//保存并存储文件
myImage.Save(@"c:/1.jpeg");