StackOverflow2013

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plurals

PO
primarykey
Id
452461
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2009-01-16T23:51:41.733
FavoriteCount
0
LastActivityDate
2009-01-16T23:56:42.317
LastEditDate
2009-01-16T23:56:42.333
LastEditorUserId
32129
OwnerUserId
32129
ParentId
452344
PostTypeId
2
Score
1
ViewCount
0
LastEditorDisplayName
Christian Nunciato
text
Body
Strange as it seems, now that you mention it, I don't believe there is a simple test to determine whether a component is actually visible onscreen in the sense Component.isShowing() implies. It's also true the show and hide events don't bubble by default, so if you want to be notified of visibility changes in a descendant of a ViewStack container, you'll need to listen for them explicitly. The implementation details would vary depending on what sort of behavior you were after, but to take the simple example: <pre><code><?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute"> <mx:VBox> <mx:HBox> <mx:Button id="btn1" click="vs.selectedIndex = 0" label="Show 1" /> <mx:Button id="btn2" click="vs.selectedIndex = 1" label="Show 2" /> </mx:HBox> <mx:ViewStack id="vs" selectedIndex="0"> <mx:Panel id="panel1"> <mx:Label id="label1" text="Label 1" show="trace('showing label 1')" hide="trace('hiding label 1')" visible="{panel1.visible}" /> </mx:Panel> <mx:Panel id="panel2"> <mx:Label id="label2" text="Label 2" show="trace('showing label 2')" hide="trace('hiding label 2')" visible="{panel2.visible}" /> </mx:Panel> </mx:ViewStack> </mx:VBox> </mx:Application> </code></pre> ... you'll see the show and hide events for each label fire once their visible properties have been bound to their parent panels'. Hopefully that illustrates the point; you can extend it however best suits your application. Good luck!
Tags
Title
singulars
PostAcceptedAnswerId
1. This table or related slice is empty.
PostParentId
1. POFlex: Determine if a component is showing
 singulars
 PostTypePostTypeId
 PTQuestion
PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. USChristian Nunciato
UserOwnerUserId
1. USChristian Nunciato
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PostLinksPostIdRelatedPostId
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PostLinksRelatedPostIdPostId
1. This table or related slice is empty.
PostsAcceptedAnswerId
1. This table or related slice is empty.
PostsParentIdCreationDate
1. This table or related slice is empty.
VotesPostIdCreationDate
1. VO
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1. This table or related slice is empty.

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