winform中动态创建控件的contextMenuStrip的使用问题

Question

如题，在程序的运行过程中我会动态的在form中添加一些图标，生成图标的时候也顺便给其添加了右键菜单  PictureBox newpic = new PictureBox();  newpic.Name = m_dataframe.TagID;  newpic.Size = new System.Drawing.Size(48, 48);  newpic.Location = new System.Drawing.Point(posInfo[0], posInfo[1]);  newpic.Image = (Image)TheOldManCareSystem.Properties.Resources.normalState;  newpic.BackColor = Color.Transparent;  //add context menu to do some operate of the mark  newpic.ContextMenuStrip = this.markContextMenuStrip;在程序运行过程中我右击已经生成的图标，希望通过选项来改变图标使用的image我该如何在右键菜单的处理程序（下视函数）中找到我点击的图标呢  private void alarmStateClear_Click(object sender, EventArgs e)  {      PictureBox picturebox = (PictureBox)sender;  //picturebox.Image = (Image)TheOldManCareSystem.Properties.Resources.normalState;  }上面操作sender是想当然的写的，错误。应该如何去获得控件的操作权

Answer 1

       private void alarmStateClear(object sender, EventArgs e)
        {
            PictureBox picturebox = this.markContextMenuStrip.SourceControl as PictureBox;
            if (picturebox != null)
            {
                //这里就可以处理你的PictureBox了
            }
        }