■ BandedGridView 클래스에서 컬럼 헤더를 병합하는 방법을 보여준다.
▶ DSGridPainter.cs
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using System.Drawing; using System.Linq; using System.Windows.Forms; using DevExpress.XtraGrid.Columns; using DevExpress.XtraGrid.Drawing; using DevExpress.XtraGrid.Views.BandedGrid; using DevExpress.XtraGrid.Views.BandedGrid.ViewInfo; using DevExpress.XtraGrid.Views.Grid; using DevExpress.XtraGrid.Views.Grid.Drawing; using DevExpress.Utils; using DevExpress.Utils.Drawing; namespace TestProject { /// <summary> /// DS 그리드 페인터 /// </summary> public class DSGridPainter : GridPainter { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 밴드 그리드 뷰 /// </summary> private BandedGridView bandedGridView; /// <summary> /// 그리드 밴드 배열 /// </summary> private GridBand[] gridBandArray; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - DSGridPainter(bandedGridView, gridBandArray) /// <summary> /// 생성자 /// </summary> /// <param name="bandedGridView">밴드 그리드 뷰</param> /// <param name="gridBandArray">그리드 밴드</param> public DSGridPainter(BandedGridView bandedGridView, GridBand[] gridBandArray) : base(bandedGridView) { this.bandedGridView = bandedGridView; this.gridBandArray = gridBandArray; this.bandedGridView.GridControl.Paint += bandedGridView_GridControl_Paint; this.bandedGridView.CustomDrawBandHeader += bandedGridView_CustomDrawBandHeader; this.bandedGridView.CustomDrawColumnHeader += bandedGridView_CustomDrawColumnHeader; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 밴드 그리드 뷰 그리드 컨트롤 페인트시 처리하기 - bandedGridView_GridControl_Paint(sender, e) /// <summary> /// 밴드 그리드 뷰 그리드 컨트롤 페인트시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void bandedGridView_GridControl_Paint(object sender, PaintEventArgs e) { foreach(GridBand gridBand in this.gridBandArray) { foreach(BandedGridColumn bandedGridColumn in gridBand.Columns) { DrawColumnHeader(new GraphicsCache(e.Graphics), bandedGridColumn); } } } #endregion #region 밴드 그리드 뷰 밴드 헤더 커스텀 그리기 - bandedGridView_CustomDrawBandHeader(sender, e) /// <summary> /// 밴드 그리드 뷰 밴드 헤더 커스텀 그리기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void bandedGridView_CustomDrawBandHeader(object sender, BandHeaderCustomDrawEventArgs e) { if(this.gridBandArray.Contains(e.Band)) { e.Handled = true; } } #endregion #region 밴드 그리드 뷰 컬럼 헤더 커스텀 그리기 - bandedGridView_CustomDrawColumnHeader(sender, e) /// <summary> /// 밴드 그리드 뷰 컬럼 헤더 커스텀 그리기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void bandedGridView_CustomDrawColumnHeader(object sender, ColumnHeaderCustomDrawEventArgs e) { if(((e.Column is BandedGridColumn)) && (this.gridBandArray.Contains((e.Column as BandedGridColumn).OwnerBand))) { e.Handled = true; } } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 그리드 밴드 정보 인자 구하기 - GetGridBandInfoArgs(gridBandInfoCollection, gridBand) /// <summary> /// 그리드 밴드 정보 인자 구하기 /// </summary> /// <param name="gridBandInfoCollection">그리드 밴드 정보 컬렉션</param> /// <param name="gridBand">그리드 밴드</param> /// <returns>그리드 밴드 정보 인자</returns> private GridBandInfoArgs GetGridBandInfoArgs(GridBandInfoCollection gridBandInfoCollection, GridBand gridBand) { GridBandInfoArgs returnGridBandInfoArgs = gridBandInfoCollection[gridBand]; if(returnGridBandInfoArgs != null) { return returnGridBandInfoArgs; } else { foreach(GridBandInfoArgs gridBandInfoArgs in gridBandInfoCollection) { if(gridBandInfoArgs.Children != null) { returnGridBandInfoArgs = GetGridBandInfoArgs(gridBandInfoArgs.Children, gridBand); if(returnGridBandInfoArgs != null) { return returnGridBandInfoArgs; } } } } return null; } #endregion #region 컬럼 헤더 그리기 - DrawColumnHeader(graphicsCache, gridColumn) /// <summary> /// 컬럼 헤더 그리기 /// </summary> /// <param name="graphicsCache">그래픽스 캐시</param> /// <param name="gridColumn">그리드 컬럼</param> private void DrawColumnHeader(GraphicsCache graphicsCache, GridColumn gridColumn) { BandedGridViewInfo bandedGridViewInfo = this.bandedGridView.GetViewInfo() as BandedGridViewInfo; GridColumnInfoArgs gridColumnInfoArgs = bandedGridViewInfo.ColumnsInfo[gridColumn]; GridBandInfoArgs gridBandInfoArgs = GetGridBandInfoArgs(bandedGridViewInfo.BandsInfo, (gridColumn as BandedGridColumn).OwnerBand); if(gridColumnInfoArgs == null || gridBandInfoArgs == null) { return; } gridColumnInfoArgs.Cache = graphicsCache; int top = gridBandInfoArgs.Bounds.Top; Rectangle rectangle = gridColumnInfoArgs.Bounds; int delta = rectangle.Top - top; rectangle.Y = top; rectangle.Height += delta; gridColumnInfoArgs.Bounds = rectangle; gridColumnInfoArgs.Appearance.TextOptions.VAlignment = VertAlignment.Center; ElementsPainter.Column.CalcObjectBounds(gridColumnInfoArgs); ElementsPainter.Column.DrawObject(gridColumnInfoArgs); } #endregion } } |
▶ MainForm.cs
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using System; using System.Data; using System.Drawing; using System.Windows.Forms; using DevExpress.XtraGrid.Views.BandedGrid; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - TestForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); this.gridView.Appearance.BandPanel.Font = new Font("나눔고딕코딩", 12f); this.gridView.Appearance.HeaderPanel.Font = new Font("나눔고딕코딩", 12f); this.gridView.Appearance.Row.Font = new Font("나눔고딕코딩", 12f); } #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.gridControl.DataSource = new DataTable(); DSGridPainter dsGridPainter = new DSGridPainter(this.gridView, new GridBand[] { this.gridBand1 }); this.gridControl.DataSource = null; this.gridControl.DataSource = GetSampleTable(); } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 샘플 테이블 구하기 - GetSampleTable() /// <summary> /// 샘플 테이블 구하기 /// </summary> /// <returns>샘플 테이블</returns> private DataTable GetSampleTable() { DataTable table = new DataTable(); table.Columns.Add("bandedGridColumn1", typeof(string)); table.Columns.Add("bandedGridColumn2", typeof(string)); table.Columns.Add("bandedGridColumn3", typeof(string)); table.Columns.Add("bandedGridColumn4", typeof(string)); table.Columns.Add("bandedGridColumn5", typeof(string)); table.Rows.Add(new object[] { string.Empty, string.Empty, string.Empty, string.Empty, string.Empty }); return table; } #endregion } } |
