通过Graphics对象获取它所属的Control

using System.Runtime.InteropServices;

 

[DllImport("user32.dll")]

public static extern IntPtr WindowFromDC(IntPtr hDC);  

 

private void button1_Click(object sender, EventArgs e)

{

    Graphics vGraphics = Graphics.FromHwnd(Handle);

    Control vControl = Control.FromHandle(WindowFromDC(vGraphics.GetHdc()));

    if (vControl != null) MessageBox.Show(vControl.Name);

}

http://blog.csdn.net/zswang/article/details/1587875