"The application called an interface that was marshalled for a different thread" when creating MenuFlyout

Question

I am having this error when creating a new instance of MenuFlyout.I searched for a bit but couldn't find anything.Code is simple :

var tmpFlyout = new MenuFlyout();

I tried creating this instance from a different thread but that didn't help either , still got the exception.In which cases this exception will pop-up ?

score 0 · Accepted Answer · edited May 23 '17 at 11:50

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Found this answer here

The problem is that your event handler doesn't execute on the UI thread. I think the best way to fix that is to convert your EAP (Event-based Asynchronous Pattern) method to TAP (Task-based Asynchronous Pattern) using TaskCompletionSource:

Maybe that helps you out

edited May 23 '17 at 11:50

Community

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answered Jan 14 '15 at 09:57

Luca

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score 0 · Answer 2 · answered Jan 14 '15 at 11:06

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Dispatcher.RunAsync solved the problem.

I tried with Task.Run method but problem persisted.As suggested , I did with RunAsync and problem solved.

answered Jan 14 '15 at 11:06

Burak Kaan Köse

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"The application called an interface that was marshalled for a different thread" when creating MenuFlyout

2 Answers2