■ DiagramControl 클래스의 CustomDrawItem 이벤트를 사용해 항목을 커스텀 그리는 방법을 보여준다.
▶ MainForm.cs
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using System.Drawing; using DevExpress.Diagram.Core; using DevExpress.Utils; using DevExpress.XtraDiagram; using DevExpress.XtraEditors; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : XtraForm { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 포인트 크기 /// </summary> private int pointSize = 8; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); this.diagramControl.OptionsView.ShowGrid = false; this.diagramControl.OptionsView.ShowRulers = false; this.diagramControl.OptionsView.ShowPageBreaks = false; DiagramShape shape1 = new DiagramShape(); shape1.Size = new SizeF(100f, 100f); shape1.Position = new PointFloat(450f, 200f); shape1.Shape = BasicShapes.Ellipse; shape1.Appearance.BorderSize = 4; shape1.Appearance.BorderColor = Color.FromArgb(128, 0, 0, 0); shape1.Appearance.BackColor = Color.White; shape1.Appearance.Font = new Font("나눔고딕코딩", 12f, FontStyle.Bold); shape1.Appearance.ForeColor = Color.FromArgb(128, 0, 0, 0); shape1.Content = "도형1"; this.diagramControl.Items.Add(shape1); DiagramShape shape2 = new DiagramShape(); shape2.Size = new SizeF(100F, 100F); shape2.Position = new PointFloat(300f, 400f); shape2.Shape = BasicShapes.Ellipse; shape2.Appearance.BorderSize = 4; shape2.Appearance.BorderColor = Color.FromArgb(128, 0, 0, 0); shape2.Appearance.BackColor = Color.White; shape2.Appearance.Font = new Font("나눔고딕코딩", 12f, FontStyle.Bold); shape2.Appearance.ForeColor = Color.FromArgb(128, 0, 0, 0); shape2.Content = "도형2"; this.diagramControl.Items.Add(shape2); DiagramConnector connector1 = new DiagramConnector(); connector1.BeginItem = shape1; connector1.EndItem = shape2; connector1.Type = ConnectorType.Straight; connector1.Appearance.BorderSize = 4; connector1.Appearance.BorderColor = Color.FromArgb(128, 0, 0, 0); connector1.Appearance.ContentBackground = Color.Transparent; connector1.Appearance.Font = new Font("나눔고딕코딩", 12f, FontStyle.Bold); connector1.Appearance.ForeColor = Color.FromArgb(128, 255, 0, 0); connector1.Content = "연결 1"; this.diagramControl.Items.Add(connector1); DiagramShape shape3 = new DiagramShape(); shape3.Size = new SizeF(100f, 100f); shape3.Position = new PointFloat(600f, 400f); shape3.Shape = BasicShapes.Ellipse; shape3.Appearance.BorderSize = 4; shape3.Appearance.BorderColor = Color.FromArgb(128, 0, 0, 0); shape3.Appearance.BackColor = Color.White; shape3.Appearance.Font = new Font("나눔고딕코딩", 12f, FontStyle.Bold); shape3.Appearance.ForeColor = Color.FromArgb(128, 0, 0, 0); shape3.Content = "도형3"; this.diagramControl.Items.Add(shape3); DiagramConnector connector2 = new DiagramConnector(); connector2.BeginItem = shape1; connector2.EndItem = shape3; connector2.Type = ConnectorType.Straight; connector2.Appearance.BorderSize = 4; connector2.Appearance.BorderColor = Color.FromArgb(128, 0, 0, 0); connector2.Appearance.ContentBackground = Color.Transparent; connector2.Appearance.Font = new Font("나눔고딕코딩", 12f, FontStyle.Bold); connector2.Appearance.ForeColor = Color.FromArgb(128, 255, 0, 0); connector2.Content = "연결 2"; this.diagramControl.Items.Add(connector2); this.diagramControl.FitToDrawing(); this.diagramControl.CustomDrawItem += diagramControl_CustomDrawItem; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 다이어그램 항목 커스텀 그리기 - diagramControl_CustomDrawItem(sender, e) /// <summary> /// 다이어그램 항목 커스텀 그리기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void diagramControl_CustomDrawItem(object sender, CustomDrawItemEventArgs e) { e.DefaultDraw(); DiagramShape shape = e.Item as DiagramShape; if(shape != null) { PointCollection pointCollection = shape.ActualConnectionPoints; foreach(PointFloat point in pointCollection) { e.Graphics.DrawEllipse ( new Pen(Color.FromArgb(128, Color.Blue), 2), point.X * shape.Width - pointSize / 2, point.Y * shape.Height - pointSize / 2, pointSize, pointSize ); } e.Handled = true; } } #endregion } } |
