■ TreeList 클래스의 CustomDrawNodeImages 이벤트를 사용해 노드 이미지를 커스텀 그리는 방법을 보여준다.
▶ MainForm.cs
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 |
using System; using System.Drawing; using DevExpress.XtraEditors; using DevExpress.XtraTreeList; 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; this.treeList.CustomDrawNodeImages += treeList_CustomDrawNodeImages; } #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.SelectImageList = this.svgImageCollection; this.treeList.DataSource = SalesData.GetSalesDataList(); this.treeList.Columns[this.treeList.KeyFieldName ].Visible = false; this.treeList.Columns[this.treeList.ParentFieldName].Visible = false; SetNodeImage(this.treeList.Nodes); this.treeList.BestFitColumns(); this.treeList.ExpandAll(); } #endregion #region 트리 리스트 노드 이미지 커스텀 그리기 - treeList_CustomDrawNodeImages(sender, e) /// <summary> /// 트리 리스트 노드 이미지 커스텀 그리기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void treeList_CustomDrawNodeImages(object sender, CustomDrawNodeImagesEventArgs e) { if(e.Node.Focused) { e.Cache.FillRectangle(e.Cache.GetSolidBrush(Color.Black), e.SelectRect); } e.DefaultDraw(); } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 노드 이미지 설정하기 - SetNodeImage(nodes) /// <summary> /// 노드 이미지 설정하기 /// </summary> /// <param name="nodes">노드</param> private void SetNodeImage(TreeListNodes nodes) { if(nodes.Count == 0) { return; } foreach(TreeListNode node in nodes) { node.ImageIndex = 0; SetNodeImage(node.Nodes); } } #endregion } } |
