■ IVirtualTreeListData 인터페이스를 사용해 트리 리스트의 가상 모드를 설정하는 방법을 보여준다.
▶ Node.cs
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using System.Collections.Generic; using DevExpress.XtraTreeList; namespace TestProject { /// <summary> /// 노드 /// </summary> public class Node : TreeList.IVirtualTreeListData { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 부모 /// </summary> private Node parent; /// <summary> /// 자식 리스트 /// </summary> private List<Node> childList = new List<Node>(); /// <summary> /// 셀 배열 /// </summary> private object[] cellArray; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - Node(parent, cellArray) /// <summary> /// 생성자 /// </summary> /// <param name="parent">부모</param> /// <param name="cellArray">셀 배열</param> public Node(Node parent, object[] cellArray) { this.parent = parent; this.cellArray = cellArray; if(this.parent != null) { this.parent.childList.Add(this); } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Public #region 가상 트리 자식 노드들 구하기 - VirtualTreeGetChildNodes(info) /// <summary> /// 가상 트리 자식 노드들 구하기 /// </summary> /// <param name="info">정보</param> void TreeList.IVirtualTreeListData.VirtualTreeGetChildNodes(VirtualTreeGetChildNodesInfo info) { info.Children = this.childList; } #endregion #region 가상 트리 셀 값 구하기 - VirtualTreeGetCellValue(info) /// <summary> /// 가상 트리 셀 값 구하기 /// </summary> /// <param name="info"></param> void TreeList.IVirtualTreeListData.VirtualTreeGetCellValue(VirtualTreeGetCellValueInfo info) { info.CellData = this.cellArray[info.Column.AbsoluteIndex]; } #endregion #region 가상 트리 셀 값 설정하기 - VirtualTreeSetCellValue(info) /// <summary> /// 가상 트리 셀 값 설정하기 /// </summary> /// <param name="info"></param> void TreeList.IVirtualTreeListData.VirtualTreeSetCellValue(VirtualTreeSetCellValueInfo info) { this.cellArray[info.Column.AbsoluteIndex] = info.NewCellData; } #endregion } } |
▶ MainForm.cs
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using System; using DevExpress.XtraEditors; using DevExpress.XtraTreeList.Columns; 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 //////////////////////////////////////////////////////////////////////////////// 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) { Node dataSource = new Node(null, null); Node node1 = new Node(dataSource, new string[] { "CEO", "High" }); Node node2 = new Node(node1 , new string[] { "Sales", "Normal" }); Node node3 = new Node(node2 , new string[] { "Direct vs Online Sales Comparison Report", "High" }); Node node4 = new Node(node2 , new string[] { "Training Events" , "Low" }); Node node5 = new Node(dataSource, new string[] { "HR department" , "High" }); Node node6 = new Node(node5 , new string[] { "Update Employee Files with New NDA" , "High" }); TreeListColumn nameColumn = new TreeListColumn(); nameColumn.Caption = "Name"; nameColumn.VisibleIndex = 0; TreeListColumn rankColumn = new TreeListColumn(); rankColumn.Caption = "Rank"; rankColumn.VisibleIndex = 1; this.treeList.Columns.AddRange(new TreeListColumn[] { nameColumn, rankColumn }); this.treeList.DataSource = dataSource; } #endregion } } |
