■ TreeList 클래스에서 커스텀 노드를 사용하는 방법을 보여준다.
▶ CustomTreeListNode.cs
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using DevExpress.XtraTreeList; using DevExpress.XtraTreeList.Nodes; namespace TestProject { /// <summary> /// 커스텀 트리 리스트 노드 /// </summary> public class CustomTreeListNode : TreeListNode { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 최소 높이 /// </summary> private const int MINIMUM_HEIGHT = 5; /// <summary> /// 높이 /// </summary> private int height; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 높이 - Height /// <summary> /// 높이 /// </summary> public int Height { get { return this.height; } set { if(this.height == value || value < MINIMUM_HEIGHT) { return; } this.height = value; Changed(NodeChangeTypeEnum.User1); } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - CustomTreeListNode(id, ownerNodeCollection) /// <summary> /// 생성자 /// </summary> /// <param name="id">ID</param> /// <param name="ownerNodeCollection">소유자 노드 컬렉션</param> public CustomTreeListNode(int id, TreeListNodes ownerNodeCollection) : base(id, ownerNodeCollection) { this.height = (ownerNodeCollection.TreeList as CustomTreeList).DefaultNodesHeight; } #endregion } } |
▶ CustomTreeList.cs
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using DevExpress.XtraTreeList; using DevExpress.XtraTreeList.Nodes; namespace TestProject { /// <summary> /// 커스텀 트리 리스트 /// </summary> public class CustomTreeList : TreeList { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 디폴트 노드 높이 - DefaultNodesHeight /// <summary> /// 디폴트 노드 높이 /// </summary> public virtual int DefaultNodesHeight { get { return 18; } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - CustomTreeList() /// <summary> /// 생성자 /// </summary> public CustomTreeList() : base() { OptionsBehavior.AutoNodeHeight = false; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 노드 생성하기 - CreateNode(nodeID, ownerNodeCollection, tag) /// <summary> /// 노드 생성하기 /// </summary> /// <param name="nodeID">노드 ID</param> /// <param name="ownerNodeCollection">소유자 노드 컬렉션</param> /// <param name="tag">태그</param> /// <returns>노드</returns> protected override TreeListNode CreateNode(int nodeID, TreeListNodes ownerNodeCollection, object tag) { return new CustomTreeListNode(nodeID, ownerNodeCollection); } #endregion #region 노드 변경시 처리하기 (내부용) - InternalNodeChanged(node, nodeCollection, changeType) /// <summary> /// 노드 변경시 처리하기 (내부용) /// </summary> /// <param name="node">노드</param> /// <param name="nodeCollection">노드 컬렉션</param> /// <param name="changeType">변경 타입</param> protected override void InternalNodeChanged(TreeListNode node, TreeListNodes nodeCollection, NodeChangeTypeEnum changeType) { if(changeType == NodeChangeTypeEnum.User1) { LayoutChanged(); } base.InternalNodeChanged(node, nodeCollection, changeType); } #endregion #region 노드 높이 계산 발생시키기 - RaiseCalcNodeHeight(node, nodeHeight) /// <summary> /// 노드 높이 계산 발생시키기 /// </summary> /// <param name="node">노드</param> /// <param name="nodeHeight">노드 높이</param> protected override void RaiseCalcNodeHeight(TreeListNode node, ref int nodeHeight) { CustomTreeListNode customNode = node as CustomTreeListNode; if(customNode != null) { nodeHeight = customNode.Height; } else { base.RaiseCalcNodeHeight(node, ref nodeHeight); } } #endregion } } |
▶ MainForm.cs
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using System; using System.ComponentModel; using DevExpress.Utils; using DevExpress.XtraEditors; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : XtraForm { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); BindingList<Record> list = new BindingList<Record>(); list.Add(new Record(0, -1, "Corporate Headquarters", 1000000, "Monterey" )); list.Add(new Record(1, 0, "Sales and Marketing" , 22000 , "San Francisco" )); list.Add(new Record(2, 0, "Finance" , 40000 , "Monterey" )); list.Add(new Record(3, 0, "Engineering" , 1100000, "Monterey" )); list.Add(new Record(4, -1, "Customer Services" , 850000 , "Burlington, VT")); this.treeList.DataSource = list; this.treeList.Columns["Budget"].Format.FormatType = FormatType.Numeric; this.treeList.Columns["Budget"].Format.FormatString = "c0"; 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.ForceInitialize(); this.treeList.ExpandAll(); ((CustomTreeListNode)this.treeList.Nodes[0]).Height = 35; ((CustomTreeListNode)this.treeList.Nodes[0].Nodes[1]).Height = 35; } #endregion } } |
