When the user clicks the close button of a Window, is it possible to cancel the close from the ViewModel or do I have to resort to code behind?
From what I can tell, CanClose or TryClose doesn't do the trick.
You may have already tried this but I've just created a quick test, deriving a view model from Screen
and overriding CanClose.
public class ShellViewModel : Screen
{
public override void CanClose(Action<bool> callback)
{
//if(some logic...)
callback(false); // will cancel close
}
}
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