put a ContextMenu into the header of a TabPage z

publicclassMyTabControl:TabControl
{
protected override void OnMouseUp(MouseEventArgs e){
if(e.Button==System.Windows.Forms.MouseButtons.Right){
for(int i =0; i <TabCount;++i)
{
Rectangle r =GetTabRect(i);
if(r.Contains(e.Location)/* && it is the header that was clicked*/)
{
// Change slected index, get the page, create contextual menu
ContextMenu cm =new ContextMenu();

// Add several items to menu
                    cm.MenuItems.Add("hello");
//MenuItem mi =newMenuItem(UNCPath+FilePath); 
//mi.Click+= menu_Click; //事件
//cm.MenuItems.Add(mi);
                    cm.MenuItems.Add("world!");
                    cm.Show(this, e.Location);
break;}
}
}base.OnMouseUp(e);}
}

void menu_Click(object sender,EventArgs e)
{
 MessageBox.Show(((MenuItem)sender).Text);
}