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2
Votes

[UWP]NullReferenceException is thrown when navigating to the previous page using the ToolbarItemSelected event

1. Add the custom toolbar item and add an action to navigate the previous page ( Like that Navigation.PopAsync();) for custom toolbar item in ToolbarItemSelected event.

2. Deploy the application and navigate to the second page( which page contains the ImageEditor).

3. Tap the custom toolbar item to navigate the first page. Now the NullReferrenceException is thrown in UWP platform.