private void batchAddMenuItem_Click(object sender, EventArgs e) { try { this.Hide(); _batchAddWindow = new BatchAddWindow(); _batchAddWindow.Owner = this; _batchAddWindow.Start(); _batchAddWindow.UpdateSelectedTree = new TreeUpdatedDelegate(_presenterModel.MergeTree); _batchAddWindow.Hide(); } catch (ElementNotAvailableException) { //Element is no longer available, please reselect the element MessageBox.Show(StringResources.LPSpy_ElementNotAvailableException); } }