How to call method that is present in viewmodel from App Resuming event in App.xaml.cs?

Question

Hi,

When app comes into app.xaml.cs resuming event ,I need to call method that is present in viewmodel. But viewmodel object is created in xaml(like local:viewmodelclass x:key="vm").Please help me out how to resolve this problem.

Answer 1

You can do this in the loaded event which fires when the object model is built.

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Jeff Sanders (MSFT)

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Answer 2

var viewModel = Application.Current.Resources["vm"] as viewmodelclass;
if(viewModel != null)
{
    viewModel.DoSomething();
}

Answer 3

I tried var viewModel = Application.Current.Resources["vm"] as viewmodelclass; but it is throwing COM Exception.

Answer 4

I tried var viewModel = Application.Current.Resources["vm"] as viewmodelclass; but it is throwing COM Exception.

Hi! 

Where you define it? "local:viewmodelclass x:key="vm""