private void OnRelationCreateStarted(object sender, RelationCreateViewModel viewModel)
{
RelationCreateDialog view = new RelationCreateDialog {
DataContext = viewModel
};
view.ShowDialog();
}
private void CreateRelationExecute(object parameter)
{
RelationCreateViewModel relationCreateViewModel = new RelationCreateViewModel(_application, SelectedConsumer, SelectedProvider);
RelationCreateStarted?.Invoke(this, relationCreateViewModel);
}