private void MessageDetail_Load(object sender, EventArgs e)
        {
            //注册事件 
            this.MouseWheel += new MouseEventHandler(FormSample_MouseWheel); 

        }

        ///   <summary> 
        ///   滚动方法 
        ///   </summary> 
        ///   <param   name= "sender "> </param> 
        ///   <param   name= "e "> </param> 
        void FormSample_MouseWheel(object sender, MouseEventArgs e)
        {
            //获取光标位置 
            Point mousePoint = new Point(e.X, e.Y);
            //换算成相对本窗体的位置 
            mousePoint.Offset(this.Location.X, pnlMessage.Location.Y);
            //判断是否在panel内 
            if (pnlMessage.RectangleToScreen(this.DisplayRectangle).Contains(mousePoint))
            {
                //滚动 
                pnlMessage.AutoScrollPosition = new Point(0, pnlMessage.VerticalScroll.Value - e.Delta);
            }
        }

------解决方案--------------------
探讨


楼上的是响应鼠标滚轮的方法吧？非常感谢！
但是我不明白为什么同一份程序，在不同的电脑上会有那么奇怪的差异。


------解决方案--------------------
 private void MessageDetail_Load(object sender, EventArgs e)
       {
           //注册事件  
           this.MouseWheel += new MouseEventHandler(FormSample_MouseWheel);  

       }

       ///   <summary>  
       ///   滚动方法  
       ///   </summary>  
       ///   <param   name= "sender "> </param>  
       ///   <param   name= "e "> </param>  
       void FormSample_MouseWheel(object sender, MouseEventArgs e)
       {
           //获取光标位置  
           Point mousePoint = new Point(e.X, e.Y);
           //换算成相对本窗体的位置  
           mousePoint.Offset(this.Location.X, pnlMessage.Location.Y);
           //判断是否在panel内  
           if (pnlMessage.RectangleToScreen(this.DisplayRectangle).Contains(mousePoint))
           {
               //滚动  
               pnlMessage.AutoScrollPosition = new Point(0, pnlMessage.VerticalScroll.Value - e.Delta);
           }
       }