■ TreeList 클래스의 TreeListMenuItemClick 이벤트를 사용해 표준 메뉴 항목 행동을 변경하는 방법을 보여준다.
▶ MainForm.cs
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using System; using System.Windows.Forms; using DevExpress.XtraEditors; using DevExpress.XtraTreeList; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : XtraForm { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); Load += Form_Load; this.treeList.TreeListMenuItemClick += treeList_TreeListMenuItemClick; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 폼 로드시 처리하기 - Form_Load(sender, e) /// <summary> /// 폼 로드시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Form_Load(object sender, EventArgs e) { this.treeList.RowHeight = 25; this.treeList.OptionsView.AutoWidth = false; this.treeList.OptionsBehavior.ReadOnly = true; this.treeList.OptionsBehavior.PopulateServiceColumns = true; this.treeList.KeyFieldName = "ID"; this.treeList.ParentFieldName = "RegionID"; this.treeList.DataSource = SalesData.GetSalesDataList(); this.treeList.Columns[this.treeList.KeyFieldName ].Visible = false; this.treeList.Columns[this.treeList.ParentFieldName].Visible = false; this.treeList.BestFitColumns(); this.treeList.ExpandAll(); } #endregion #region 트리 리스트 메뉴 항목 클릭시 처리하기 - treeList_TreeListMenuItemClick(sender, e) /// <summary> /// 트리 리스트 메뉴 항목 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void treeList_TreeListMenuItemClick(object sender, TreeListMenuItemClickEventArgs e) { if(e.IsFooter) { return; } TreeList treeList = sender as TreeList; if(e.MenuItem.Caption == "Sort Ascending" || e.MenuItem.Caption == "Sort Descending") { treeList.ClearSorting(); if(e.MenuItem.Caption == "Sort Ascending") { e.Column.SortOrder = SortOrder.Descending; } else { e.Column.SortOrder = SortOrder.Ascending; } e.Handled = true; } } #endregion } } |
