C#实现图片的放大缩小局部放大

C#实现放大图像区域privatevoidpictureBox1_MouseMove(objectsender,System.Windows.Forms.MouseEventArgse){Cursor.Current=myCursor;RectanglesourceRectangle=newRectangle(e.X-10,e.Y-10,20,20);//要放大的区域//RectangledestRectangle=newRectangle(e.X-20,e.Y-20,40,40);RectangledestRectangle=newRectangle(pictureBox1.Width-150