// Load
public void OnNavigatedTo(FirstFloor.ModernUI.Windows.Navigation.NavigationEventArgs e)
{
_source = new CancellationTokenSource();
_file = new RunUserControlViewModel();
this.DataContext = _file;
_dataTable = new DataTable();
SetBusyIndicator(false, "Ready");
}
// Unload
public void OnNavigatingFrom(FirstFloor.ModernUI.Windows.Navigation.NavigatingCancelEventArgs e)
{
_source.Cancel();
_source.Dispose();
_file = null;
_dialog = null;
ClearDataTable();
_dataTable = null;
}