switch(sender.Text)
{
Case "1":Label1.Dock=DockStyle.None;break;
Case "2":Label2.Dock=DockStyle.Top;break;
Case "3":Label3.Dock=DockStyle.Left;break;
default:}
{
Case "1":Label1.Dock=DockStyle.None;break;
Case "2":Label2.Dock=DockStyle.Top;break;
Case "3":Label3.Dock=DockStyle.Left;break;
default:}
rb1.Click+=new EventHandler(rb_Click);
rb2.Click+=new EventHandler(rb_Click);
rb3.Click+=new EventHandler(rb_Click);事件处理器:
private void rb_Click(object sender, EventArgs e)
{
Button button=(Button)sender;
switch(button.Text)
{
case "1":
Label1.Dock=DockStyle.None;
break;
case "2":
Label2.Dock=DockStyle.Top;
break;
case "3":
Label3.Dock=DockStyle.Left;
break;
}
}}