myTitleWindow.css文件 /**//* CSS file */Application{...}{ fontSize: 12; backgroundGradientColors: #006699, #AEB4E6; /**//* backgroundImage: Embed(source="skin/background.swf"); 把swf文件嵌入到程序中*/ backgroundImage: Embed(source="skin/pet.swf"); }TitleWindow{...}{ borderStyle: "default"; borderSkin: Embed(source="skin/windows_skin.swf", symbol="window_border"); /**//* symbol指SWF文件中元件在库中的链接名 */ closeButtonDisabledSkin: Embed(source="skin/windows_skin.swf",symbol="close_disable"); closeButtonDownSkin: Embed(source="skin/windows_skin.swf",symbol="close_down"); closeButtonOverSkin: Embed(source="skin/windows_skin.swf",symbol="close_over"); closeButtonUpSkin: Embed(source="skin/windows_skin.swf",symbol="close_up"); cornerRadius: 4; dropShadowEnabled: true; paddingBottom: 0; paddingLeft: 0; paddingRight: 0; paddingTop: 0; titleStyleName: "winTitle";}.winTitle{...}{ fontWeight: "bold"; } myTitleWindow.mxml文件 <?xml version="1.0" encoding="utf-8"?><mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute"> <mx:Style source="myTitleWindow.css"></mx:Style> <!-- TitleWindow是Panel的子类,只比Panel组件多了一个关闭按钮,因此它有Panel的全部样式属性。 --> <mx:TitleWindow x="10" y="10" width="250" height="200" layout="absolute" showCloseButton="true" title="TitleWindow"> <mx:TextArea x="10" y="10" height="106" width="220" text="输入文本"/> </mx:TitleWindow> <mx:Panel x="340" y="10" width="250" height="200" layout="absolute"> <mx:Button x="39" y="23" label="Button"/> <mx:CheckBox x="70" y="93" label="Checkbox"/> </mx:Panel> </mx:Application>