■ TreeList 클래스의 ShownEditor/HiddenEditor 이벤트를 사용해 에디터 표시/숨김시 처리하는 방법을 보여준다.
▶ MainForm.cs
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using System; using DevExpress.XtraEditors; using DevExpress.XtraTreeList; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : XtraForm { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 셀 값 변경 여부 /// </summary> private bool cellValueChanged = false; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); Load += Form_Load; this.treeList.ShownEditor += treeList_ShownEditor; this.treeList.HiddenEditor += treeList_HiddenEditor; this.treeList.CellValueChanged += treeList_CellValueChanged; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #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.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(); } #endregion #region 트리 리스트 에디터 표시시 처리하기 - treeList_ShownEditor(sender, e) /// <summary> /// 트리 리스트 에디터 표시시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void treeList_ShownEditor(object sender, EventArgs e) { TreeList treeList = sender as TreeList; treeList.FocusedNode.StateImageIndex = 2; this.cellValueChanged = false; } #endregion #region 트리 리스트 에디터 숨김시 처리하기 - treeList_HiddenEditor(sender, e) /// <summary> /// 트리 리스트 에디터 숨김시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void treeList_HiddenEditor(object sender, EventArgs e) { TreeList treeList = sender as TreeList; if(!this.cellValueChanged) { treeList.FocusedNode.StateImageIndex = 1; } } #endregion #region 트리 리스트 셀 값 변경시 처리하기 - treeList_CellValueChanged(sender, e) /// <summary> /// 트리 리스트 셀 값 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void treeList_CellValueChanged(object sender, CellValueChangedEventArgs e) { e.Node.StateImageIndex = 0; this.cellValueChanged = true; } #endregion } } |
