Flex 4 组显示效果/隐藏效果
我有一个组，我想在显示和隐藏时执行擦除效果。
<fx:Declarations>
<!-- Place non-visual elements (e.g., services, value objects) here -->
<s:Wipe id="wipeUp" direction="up" duration="2000"/>
<s:Wipe id="wipeDown" direction="down" duration="2000" startDelay="2000"/>
</fx:Declarations>
<s:Group
id="zoomPopup"
top="-290"
right="15"
width="30"
height="300"
visible="false"
showEffect="{wipeUp}" hideEffect="{wipeDown}">
当组的可见性发生变化时，该组将被隐藏和显示，但效果不会执行任何操作。当我将可见性设置为 false 时，它需要 4 秒才能隐藏（延迟+持续时间），但同样没有效果。
I have a Group that I want to do a wipe effect when it shows and hides.
<fx:Declarations>
<!-- Place non-visual elements (e.g., services, value objects) here -->
<s:Wipe id="wipeUp" direction="up" duration="2000"/>
<s:Wipe id="wipeDown" direction="down" duration="2000" startDelay="2000"/>
</fx:Declarations>
<s:Group
id="zoomPopup"
top="-290"
right="15"
width="30"
height="300"
visible="false"
showEffect="{wipeUp}" hideEffect="{wipeDown}">
The group is being hidden and shown on change of the group's visibility, but the effect doesn't do anything. When I set the visibility to false, it takes 4 secs for it to hide (delay+duration), but again, no effect.
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当前版本的 Spark 中不正式支持效果触发器。有关更多详细信息，请参阅此线程：Spark 效果：为什么程序代码优于触发器？
Effect triggers are not officially supported in spark in the current release. See this thread for more details: Spark effects: why is procedural code preferred over triggers?