狀態按鈕ToggleButtonBar 清除狀態

狀態按鈕 ToggleButtonBar

清除按鍵的選中狀態：

public function clearSelected():void{
    if(selectedIndex != -1){
         var btn:Button = getChildAt(selectedIndex) as Button;
         btn.selected = false;
         this.dataReset = false;
     }
}