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How to get html text in a Flex Alert panel.

A client asked me to do something seemingly simple.
"I want the Alert to have just this one sentence bolded."
Well, it's not exactly simple, so here's how you do it:
there are two solutions as below :
import mx.core.IUITextField;
use namespace mx.core.mx_internal;
   message +="Press Yes to continue or No to cancel";
    }
    if(message.length>0){
     Alert.yesLabel="Yes"
      var alert:Alert=Alert.show(message,"Alert",3,null,alertHandlerForSO);     
     // alert.mx_internal::alertForm.mx_internal::textField.htmlText = message;
      IUITextField(alert.alertForm.textField).htmlText = message;
    }
 =========================
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Alert ¿Ø¼þÊÇ Halo ¿Ø¼þÖеÄÒ»ÖÖ¡£
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Alert.show ( ) ·½·¨µÄÓï·¨ÈçÏ£º
public static show (
 text:String,
 title:String=null,
 flags:uint=mx.controls.Alert.OK,
 parent:Sprite=null,
 clickListener:Function=null,
 iconClass:Class=null,
 defaultButton:uint=mx.controls.Alert.OK
):Alert
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mx.controls.Alert.CANCEL £º Cancel °´Å¥
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