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我試圖調用自定義組件,但它總是告訴我:我Flex中得到一個實例化的錯誤4
TypeError: Error #1007: Instantiation attempted on a non-constructor.
at flexlib.containers::WindowShade/createOrReplaceHeaderButton()[C:\Users\user\Adobe Flash Builder 4\flexlib\src\flexlib\containers\WindowShade.as:205]
at flexlib.containers::WindowShade/createChildren()[C:\Users\user\Adobe Flash Builder 4\flexlib\src\flexlib\containers\WindowShade.as:320]
,這裏是我打電話的組件,它不斷給我的錯誤:
<flcont:WindowShade>
<!-- this gives an error -->
</flcont:WindowShade>
這裏是從錯誤的方法上面:
protected function createOrReplaceHeaderButton():void {
if(_headerButton) {
_headerButton.removeEventListener(MouseEvent.CLICK, headerButton_clickHandler);
if(rawChildren.contains(_headerButton)) {
rawChildren.removeChild(_headerButton);
}
}
if(_headerRenderer) {
_headerButton = _headerRenderer.newInstance() as Button;
}
else {
var headerClass:Class = getStyle("headerClass");
_headerButton = new headerClass();//error here
}
applyHeaderButtonStyles(_headerButton);
_headerButton.addEventListener(MouseEvent.CLICK, headerButton_clickHandler);
rawChildren.addChild(_headerButton);
}
override protected function createChildren():void {
super.createChildren();
createOrReplaceHeaderButton();
}
看來,getStyle(「headerClass」)返回一些意想不到的東西。也許你需要添加一些內容到標籤? –
weltraumpirat
2011-03-10 14:18:39
啊我修好了,我不記得在我的css中註釋掉了一行。謝謝:) – Dennis 2011-03-10 16:50:44
你應該回答你自己的問題,然後接受它來標記問題已解決。 – weltraumpirat 2011-03-10 18:05:26