■ TreeList 클래스에서 커스텀 그리기 방법을 보여준다.
▶ 예제 코드 (C#)
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using System.Drawing; using System.Drawing.Drawing2D; using DevExpress.XtraTreeList; ... private TreeList treeList; ... this.treeList.CustomDrawColumnHeader += treeList_CustomDrawColumnHeader; this.treeList.CustomDrawNodeIndicator += treeList_CustomDrawNodeIndicator; this.treeList.CustomDrawFooter += treeList_CustomDrawFooter; this.treeList.CustomDrawFooterCell += treeList_CustomDrawFooterCell; ... #region 트리 리스트 컬럼 헤더 커스텀 그리기 - treeList_CustomDrawColumnHeader(sender, e) /// <summary> /// 트리 리스트 컬럼 헤더 커스텀 그리기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void treeList_CustomDrawColumnHeader(object sender, CustomDrawColumnHeaderEventArgs e) { if(e.Pressed) { paintSunkenBackground(e.Graphics, e.Bounds); } else { PaintRaisedBackground(e.Graphics, e.Bounds); } if(e.ColumnType == HitInfoType.Column) { PaintText(e.Graphics, e.Bounds, e.Column.GetCaption(), StringAlignment.Near); } e.Handled = true; } #endregion #region 트리 리스트 노드 지시자 커스텀 그리기 - treeList_CustomDrawNodeIndicator(sender, e) /// <summary> /// 트리 리스트 노드 지시자 커스텀 그리기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void treeList_CustomDrawNodeIndicator(object sender, CustomDrawNodeIndicatorEventArgs e) { PaintRaisedBackground(e.Graphics, e.Bounds); e.Handled = true; } #endregion #region 트리 리스트 꼬리말 커스텀 그리기 - treeList_CustomDrawFooter(sender, e) /// <summary> /// 트리 리스트 꼬리말 커스텀 그리기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void treeList_CustomDrawFooter(object sender, CustomDrawEventArgs e) { PaintRaisedBackground(e.Graphics, e.Bounds); e.Handled = true; } #endregion #region 트리 리스트 꼬리말 셀 커스텀 그리기 - treeList_CustomDrawFooterCell(sender, e) /// <summary> /// 트리 리스트 꼬리말 셀 커스텀 그리기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void treeList_CustomDrawFooterCell(object sender, CustomDrawFooterCellEventArgs e) { if(e.Text == string.Empty) { return; } paintSunkenBackground(e.Graphics, e.Bounds); PaintText(e.Graphics, e.Bounds, e.Text, StringAlignment.Far); e.Handled = true; } #endregion #region 양각 배경 칠하기 - PaintRaisedBackground(graphics, boundsRectangle) /// <summary> /// 양각 배경 칠하기 /// </summary> /// <param name="graphics">그래픽스</param> /// <param name="boundsRectangle">테두리 사각형</param> private void PaintRaisedBackground(Graphics graphics, Rectangle boundsRectangle) { LinearGradientBrush linearGradientBrush = new LinearGradientBrush ( boundsRectangle, Color.Yellow, Color.Gold, LinearGradientMode.Vertical ); graphics.FillRectangle(linearGradientBrush, boundsRectangle); ControlPaint.DrawBorder3D(graphics, boundsRectangle, Border3DStyle.RaisedInner); } #endregion #region 음각 배경 칠하기 - paintSunkenBackground(graphics, boundsRectangle) /// <summary> /// 음각 배경 칠하기 /// </summary> /// <param name="graphics">그래픽스</param> /// <param name="boundsRectangle">테두리 사각형</param> private void paintSunkenBackground(Graphics graphics, Rectangle boundsRectangle) { LinearGradientBrush linearGradientBrush = new LinearGradientBrush ( boundsRectangle, Color.CornflowerBlue, Color.LightGray, LinearGradientMode.Vertical ); graphics.FillRectangle(linearGradientBrush, boundsRectangle); ControlPaint.DrawBorder3D(graphics, boundsRectangle, Border3DStyle.SunkenOuter); } #endregion #region 텍스트 칠하기 - PaintText(graphics, boundsRectangle, text, stringAlignment) /// <summary> /// 텍스트 칠하기 /// </summary> /// <param name="graphics">그래픽스</param> /// <param name="boundsRectangle">테두리 사각형</param> /// <param name="text">텍스트</param> /// <param name="stringAlignment">문자열 정렬</param> private void PaintText(Graphics graphics, Rectangle boundsRectangle, string text, StringAlignment stringAlignment) { SolidBrush solidBrush = new SolidBrush(Color.Black); StringFormat stringFormat = new StringFormat(); stringFormat.Alignment = stringAlignment; stringFormat.LineAlignment = StringAlignment.Center; stringFormat.FormatFlags = StringFormatFlags.NoWrap; stringFormat.Trimming = StringTrimming.EllipsisCharacter; graphics.DrawString(text, new Font("Verdana", 8), solidBrush, boundsRectangle, stringFormat); } #endregion |