private void OnMainFrameAfterNavigation()
{
CurrentPage = GetCurrentPage();
GoBackCommand.RaiseCanExecuteChanged();
GoForwardCommand.RaiseCanExecuteChanged();
NavigateToHomeCommand.RaiseCanExecuteChanged();
_usageCalculator.UpdateUsage(CurrentPage);
}
public void Navigate(Guid pageId)
{
var page = Module.ChartingPages[pageId];
_mainFrame.Navigate(new Uri(page.Uri, UriKind.RelativeOrAbsolute));
GoBackCommand.RaiseCanExecuteChanged();
GoForwardCommand.RaiseCanExecuteChanged();
NavigateToHomeCommand.RaiseCanExecuteChanged();
}
public void GoForward()
{
var lastExamplePage = CurrentExample as ExampleAppPage;
var lastExampleView = _currentExample;
_history.Redo();
var example = _history.Current as Example;
if (example != null)
{
Navigate(example);
ServiceLocator.Container.Resolve <IModule>().CurrentExample = example;
}
else
{
Navigate((Guid)_history.Current);
}
ServiceLocator.Container.Resolve <ExampleViewModel>().ExportExampleViewModel.IsExportVisible = false;
ServiceLocator.Container.Resolve <ExampleViewModel>().BreadCrumbViewModel.IsShowingBreadcrumbNavigation = false;
GoBackCommand.RaiseCanExecuteChanged();
GoForwardCommand.RaiseCanExecuteChanged();
NavigateToHomeCommand.RaiseCanExecuteChanged();
if (lastExamplePage != null)
{
// Required to release memory from last example
lastExamplePage.ViewModel = null;
}
if (lastExampleView != null)
{
lastExampleView.View = null;
}
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
}
