ToolTip C#时间:2023-03-09 06:28:03 yourToolTip = new ToolTip(); //The below are optional, of course, yourToolTip.ToolTipIcon = ToolTipIcon.Info; yourToolTip.IsBalloon = true; yourToolTip.ShowAlways = true; yourToolTip.SetToolTip(lblYourLabel,"Oooh, you put your mouse over me.");