c# - Disabling Toggle Button Throws External Exception - 


private async void addvoice_unchecked(object sender, routedeventargs e) {     addvoice.isenabled = false;      await task.delay(100);      addvoice.isenabled = true; }

this simpler snippet actual code, found these 3 lines problem is.

it throws @ second line: await task.delay(100). exception external code , i'm not sure how catch it.

i found if disable button in non-async method (constructor example), doesn't throw. disabling in other async methods throw.

i'm able modify other controls' properties in method.


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