核心代码

s=”该分类下没有应用”;
myTip = ToolTipManager.createToolTip(s,event.currentTarget.x + event.currentTarget.width,   event.currentTarget.y+50,null, IUIComponent(event.currentTarget)) as ToolTip;
myTip.setStyle(“styleName”, “errorTip”);
myTip.width = 135;
myTip.height = 55样式 <fx:Style>
@namespace s “library://ns.adobe.com/flex/spark”;
@namespace mx “library://ns.adobe.com/flex/mx”;
.errorTip {
borderColor: #1F1F27;
backgroundColor :#1F1F27;
color: #ffffff;
fontFamily: Base02Embedded;
fontSize: 12;
fontWeight: normal;
}
  </fx:Style>