public Environment(Window window, IFocusChanger changer)
{
_window = window;
_changer = changer;
_changer.FocusChangeRequested += Changer_FocusChangeRequested;
}
private static void Window_DataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
{
if (sender is Window == false)
{
return;
}
var window = (Window)sender;
var environment = GetEnvironment(window);
environment?.Dispose();
SetEnvironment(window, null);
IFocusChanger newChanger = e.NewValue as IFocusChanger;
if (newChanger != null)
{
SetEnvironment(window, new Environment(window, newChanger));
}
}
