private void UpdateActionComboBox() { _actionComboBox.Items.Clear(); DocumentType documentType = new DocumentType( _documentTypeComboBox.SelectedItem as string); List <String> actions = _buildToolManager.GetAvailableActions(documentType); foreach (string action in actions) { _actionComboBox.Items.Add(action); } if (actions.Count == 0) { _actionComboBox.Enabled = false; } else { _actionComboBox.SelectedIndex = 0; } }