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