C#如何实现图片在picturebox内的放大缩小和上下左右的移动？

Question

pictureBox1.SizeMode = PictureBoxSizeMode.Zoom
private void pictureBox1_MouseDown(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                if (pictureBox1.Width < 1000)
                {
                    pictureBox1.Width = Convert.ToInt32(pictureBox1.Width * 1.2);
                    pictureBox1.Height = Convert.ToInt32(pictureBox1.Height * 1.2);
                }
            }
            if (e.Button == MouseButtons.Right)
            {
                if (pictureBox1.Width > 600)
                {
                    pictureBox1.Width = Convert.ToInt32(pictureBox1.Width / 1.2);
                    pictureBox1.Height = Convert.ToInt32(pictureBox1.Height / 1.2);
                }
            }
        }http://greatmaps.codeplex.com/

Answer 1

我觉得应该是 利用pictrueBox 的方法，组成你想要的功能，比如它的拖放事件  焦点控制事件  鼠标事件  以及改变大小的方法  具体你可以参考下 MSDN 
http://msdn.microsoft.com/zh-cn/library/z89a4506(v=VS.80).aspx