private void Historal_Click(object sender, RoutedEventArgs e)
{
HistorialView addFactura = new HistorialView();
ReadOnlySalidaObsequioViewModel viewModel = this.ConvertDataContext(this.DataContext);
addFactura.DataContext = viewModel.CreateHistorialViewModel();
addFactura.ShowDialog();
}
private ReadOnlySalidaObsequioViewModel ConvertDataContext(object dataSource)
{
ReadOnlySalidaObsequioViewModel viewModel = dataSource as ReadOnlySalidaObsequioViewModel;
return(viewModel);
}