[英]how to change background color of PopUp window in flex
我開發了一個包含幾個PopUp窗口的應用程序。 每當彈出窗口出現時,彈出窗口的背景就會變亮一點,有什么方法可以使PopUP背景變暗一些。
提前致謝..
如果您是指Alert組件,則可以執行以下操作:
<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"
creationComplete="Alert.show('Hello!')">
<fx:Style>
@namespace s "library://ns.adobe.com/flex/spark";
@namespace mx "library://ns.adobe.com/flex/mx";
mx|Alert {
backgroundAlpha: 0.4;
backgroundColor: #00ff00;
}
</fx:Style>
<fx:Script>
<![CDATA[
import mx.controls.Alert;
]]>
</fx:Script>
</s:Application>
//結果
//編輯
如果要使用自定義組件,它可能如下所示:
//MyAlert.mxml
<?xml version="1.0" encoding="utf-8"?>
<s:TitleWindow xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx" width="175" height="100">
<fx:Script>
<![CDATA[
import mx.managers.PopUpManager;
protected function onOkClick(event:MouseEvent):void
{
PopUpManager.removePopUp(this);
}
]]>
</fx:Script>
<s:Rect top="0" bottom="0" left="0" right="0">
<s:fill>
<s:SolidColor color="0x00ff00" alpha="0.4"/>
</s:fill>
</s:Rect>
<s:VGroup horizontalAlign="center" width="100%" height="100%">
<s:Spacer height="10"/>
<s:Label text="Hello!"/>
<s:Button label="Ok" click="onOkClick(event)"/>
</s:VGroup>
</s:TitleWindow>
從應用程序中調用它:
var myAlert:MyAlert = new MyAlert();
PopUpManager.addPopUp(myAlert, this, true);
PopUpManager.centerPopUp(myAlert);
//結果
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