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對MX的MenuBar沒有顯示的菜單項中的一個。直到幾分鐘前它工作正常。我沒有更改任何代碼。當我點擊它時,我注意到它顯示了一個影子。的MenuBar沒有顯示
<mx:MenuBar id="mainMenuBar"
dataProvider="{rootMenu}"
labelField="label"
height="100%"
useHandCursor="true"
buttonMode="true"
showRoot="false"
menuShow="menuItemEventHandler(event)"
menuHide="menuItemEventHandler(event)"
itemClick="menuItemEventHandler(event)"
itemRollOut="menuItemEventHandler(event)"
itemRollOver="menuItemEventHandler(event)"
change="menuItemEventHandler(event)"
>
</mx:MenuBar>
/**
*
* */
private function menuItemEventHandler(event:MenuEvent):void {
if (event.item is MenuItem) {
EventDispatcher(event.item).dispatchEvent(event);
}
else if (event.menu && event.menu.dataProvider &&
event.menu.dataProvider[0] is MenuItem &&
event.menu.dataProvider[0].parent is MenuItem)
{
EventDispatcher(event.menu.dataProvider[0].parent).dispatchEvent(event);
}
}
<model:MenuItem id="rootMenu">
<model:MenuItem label="Edit" >
<model:MenuItem id="undo" label="Undo" />
<model:MenuItem id="redo" label="Redo" />
<model:MenuItem type="separator"/>
<model:MenuItem id="cut" label="Cut" enabled="false"/>
<model:MenuItem id="copy" label="Copy" enabled="false"/>
<model:MenuItem id="paste" label="Paste" name="paste" enabled="false"/>
<model:MenuItem id="undo1" label="Undo" />
<model:MenuItem id="redo1" label="Redo" />
<model:MenuItem type="separator"/>
<model:MenuItem id="cut1" label="Cut" enabled="false"/>
<model:MenuItem id="copy1" label="Copy" enabled="false"/>
<model:MenuItem id="paste1" label="Paste" name="paste" enabled="false"/>
<model:MenuItem id="undo2" label="Undo" />
<model:MenuItem id="redo2" label="Redo" />
<model:MenuItem type="separator"/>
<model:MenuItem id="cut2" label="Cut" enabled="false"/>
<model:MenuItem id="copy2" label="Copy" enabled="false"/>
<model:MenuItem id="paste2" label="Paste" name="paste" enabled="false"/>
<model:MenuItem id="undo3" label="Undo" />
<model:MenuItem id="redo3" label="Redo" />
<model:MenuItem type="separator"/>
<model:MenuItem id="cut3" label="Cut" enabled="false"/>
<model:MenuItem id="copy3" label="Copy" enabled="false"/>
<model:MenuItem id="paste3" label="Paste" name="paste" enabled="false"/>
</model:MenuItem>