■ TreeList 클래스의 PopupMenuShowing 이벤트를 사용해 컨텍스트 메뉴에서 특정 메뉴를 제거하는 방법을 보여준다.
▶ MainForm.cs
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using System; using System.Linq; using DevExpress.Utils; using DevExpress.Utils.Menu; using DevExpress.XtraEditors; using DevExpress.XtraTreeList; using DevExpress.XtraTreeList.Localization; 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.PopupMenuShowing += treeList_PopupMenuShowing; } #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 팝업 메뉴 표시시 처리하기 - treeList_PopupMenuShowing(sender, e) /// <summary> /// 트리 리스트 팝업 메뉴 표시시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void treeList_PopupMenuShowing(object sender, PopupMenuShowingEventArgs e) { TreeList treeList = sender as TreeList; TreeListHitInfo hitInfo = treeList.CalcHitInfo(e.Point); if(hitInfo.HitInfoType == HitInfoType.Column) { TreeListStringId id = GetColumnChooserMenuItemID(treeList); string caption = TreeListLocalizer.Active.GetLocalizedString(id); DXMenuItem menuItem = e.Menu.Items.FirstOrDefault(x => x.Caption == caption); e.Menu.Items.Remove(menuItem); } } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region Column Chooser 메뉴 항목 ID 구하기 - GetColumnChooserMenuItemID(treeList) /// <summary> /// Column Chooser 메뉴 항목 ID 구하기 /// </summary> /// <param name="treeList">트리 리스트</param> /// <returns>Column Chooser 메뉴 항목 ID</returns> private TreeListStringId GetColumnChooserMenuItemID(TreeList treeList) { if ( treeList.OptionsView.ShowBandsMode == DefaultBoolean.True || (treeList.OptionsView.ShowBandsMode == DefaultBoolean.Default && treeList.Bands.Count > 0) ) { return TreeListStringId.MenuColumnBandCustomization; } return TreeListStringId.MenuColumnColumnCustomization; } #endregion } } |
