private void ExportTrimester_Click(object sender, RoutedEventArgs e)
{
if (((Control)sender).DataContext is int trimester)
{
TrimesterModelsProgressBar.Visibility = Visibility.Visible;
TrimesterModelsProgressBar.Value = 0;
ExportUtils.ExportTrimesterModels(trimester, _updateTrimesterModelsDispatch);
TrimesterModelsProgressBar.Visibility = Visibility.Collapsed;
}
}