DevExpress官网

效果图如下：

1、如何设置显示的时间长短

设置this.toolTipController1.AutoPopDelay = 2000;

2、如何在屏幕上显示如上图所示的效果

ToolTipControllerShowEventArgs args = this.toolTipController1.CreateShowArgs(); 

this.toolTipController1.SetToolTip(this.sbtnYes, "请选择一条记录!");

this.toolTipController1.SetTitle(this.sbtnYes, "提示");

this.toolTipController1.SetToolTipIconType(this.sbtnYes, DevExpress.Utils.ToolTipIconType.Exclamation);

this.toolTipController1.ShowBeak = true;

this.toolTipController1.ShowShadow = true;

this.toolTipController1.Rounded = true;

this.toolTipController1.ShowHint("请选择一条记录!", "提示");             

args.ToolTip = "请选择一条记录!";

args.Title = "提示";  

3、如何设置边框的颜色

this.toolTipController1.Appearance.BorderColor = Color.Red;