private void MainWindow_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
if (_viewModel.ProjectViewModel.Project != null && _viewModel.ProjectViewModel.Project.Dirty)
{
var result = CustomMessageBox.ShowSavePrompt();
if (result == System.Windows.MessageBoxResult.Cancel)
{
e.Cancel = true;
}
else if (result == System.Windows.MessageBoxResult.Yes)
{
_viewModel.ProjectViewModel.Project.Save();
}
}
}
