private bool NavigateCore <T_VM> (T_VM parameter, Type viewType) where T_VM : ViewModel.Base
{
bool navResult;
var viewObject = Activator.CreateInstance(viewType);
var view = Contract.AssertIsType <IView> (() => viewObject, viewObject);
if (CurrentViewModel != null)
{
System.ComponentModel.CancelEventArgs e = new System.ComponentModel.CancelEventArgs( );
CurrentViewModel?.OnNavigatingAway(e);
if (e.Cancel)
{
return(false);
}
}
DoPreNavigate(parameter, typeof(T_VM), view, viewType);
view.ViewModelObject = parameter;
CurrentViewModel = parameter;
m_didIDoThat = true;
navResult = m_frame.Navigate(view);
return(navResult);
}
private bool NavigateCore <T_VM> (T_VM parameter, Type viewType) where T_VM : ViewModel.Base
{
bool navResult;
var viewObject = Activator.CreateInstance(viewType);
var view = Contract.AssertIsType <IView> (() => viewObject, viewObject);
DoPreNavigate(parameter, typeof(T_VM), view, viewType);
view.ViewModelObject = parameter;
CurrentViewModel = parameter;
m_didIDoThat = true;
navResult = m_frame.Navigate(view);
return(navResult);
}
void BasePage_DataContextChanged(object sender, System.Windows.DependencyPropertyChangedEventArgs e)
{
if (m_inViewModelSet)
{
return;
}
if (e.NewValue != null)
{
ViewModel = Contract.AssertIsType <T> (() => e.NewValue, e.NewValue);
}
else
{
ViewModel = null;
}
}