C#中如何在摄像头的预览画面中画线？
将摄像头的预览实时画面在PictureBox上显示，怎么实现在显示的画面上画线？？

[解决办法]

C# code

Pen myPen = new Pen(Color.Yellow, 4);//创建画笔Graphics formGraphics = this.CreateGraphics();//创建画板formGraphics.DrawLine(myPen,point1,point2);//两点之间画线myPen.Dispose();formGraphics.Dispose();