■ TreeListColumn 클래스의 GetEnumerator 메소드를 사용해 자식 노드 값을 변경하는 방법을 보여준다.
▶ MainForm.cs
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using System; using System.Collections; using DevExpress.XtraEditors; using DevExpress.XtraTreeList.Columns; using DevExpress.XtraTreeList.Nodes; 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; } #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.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; IEnumerator enumerator = this.treeList.Nodes.GetEnumerator(); TreeListColumn regionColumn = this.treeList.Columns["Region"]; TreeListColumn salesColumn = this.treeList.Columns["Sales" ]; while(enumerator.MoveNext()) { TreeListNode childNode = (TreeListNode)enumerator.Current; string displayText = childNode.GetDisplayText(regionColumn); if(displayText == "North America") { decimal newSales = (decimal)childNode.GetValue(salesColumn) / 2; childNode.SetValue(salesColumn, newSales); } } this.treeList.BestFitColumns(); this.treeList.ExpandAll(); } #endregion } } |
