void keyword_Closed(object sender, EventArgs e) { KeyWdForm keyWd = (KeyWdForm)sender; if (keyWd.DialogResult != DialogResult.OK) { return; } try { foreach (ListViewItem item in fileListView.SelectedItems) { _currentUser.KeyWordChange((int)item.Tag, keyWd.KeyWord); LoadFiles(); } } catch (Exception ex) { MessageBox.Show("系统错误:" + ex.Message, "文档管理系统", MessageBoxButtons.OK, MessageBoxIcon.Error); } }