private void OnDeleteVsVersionClick(object o, EventArgs e) { try { if (MessageBox.Show("Are you sure?", "Confirm", MessageBoxButtons.OKCancel, MessageBoxIcon.Asterisk, MessageBoxDefaultButton.Button2) == DialogResult.OK) { VsVersionNode vvn = this.SelectedNode as VsVersionNode; if (vvn != null && vvn.VsVersion != null) { ConfigCtrl.DeleteVsTemplate(vvn.VsVersion); InitialNodes(); } } } catch (Exception ex) { MessageBox.Show(ex.Message, CGConstants.MSG_SYSTEMERROR, MessageBoxButtons.OK, MessageBoxIcon.Error); } }