private void OnRegionUnloaded(object sender, RoutedEventArgs e)
{
bool shouldCancel = _navigationService.GetController(ControllerID).CallOnLeavingNavigation(false);
if (shouldCancel)
{
throw new InvalidOperationException("Can't cancel navigation from 'OnLeave' when higher-level controller is the one navigating. " +
"Check value 'CancellingNavigationAllowed' property in LeavingPageEventArgs.");
}
_navigationService.RemoveController(ControllerID);
_navigationService.RemoveRegion(this);
}
private void OnRegionLoaded(object sender, RoutedEventArgs e)
{
if (string.IsNullOrEmpty(ControllerID))
{
throw new NullReferenceException($"A loaded Region doesn't have 'ControllerID' set to anything");
}
_navigationService.CreateAndAddController(ControllerID);
_navigationService.AddRegion(this);
_navigationService.GetController(ControllerID).NavigateToInitial();
}
private void OnRegionLoaded(object sender, RoutedEventArgs e)
{
_navigationService.CreateAndAddController(ControllerID);
_navigationService.AddRegion(this);
_navigationService.GetController(ControllerID).NavigateToInitial();
}