■ GridView 클래스의 CustomDrawColumnHeader 이벤트를 사용해 컬럼 헤더를 커스텀 그리는 방법을 보여준다.
▶ MainForm.cs
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using System; using System.Drawing; using DevExpress.Utils; using DevExpress.Utils.Drawing; using DevExpress.XtraEditors; using DevExpress.XtraGrid.Columns; using DevExpress.XtraGrid.Views.Grid; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : XtraForm { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); this.gridView.InitializeView ( false, // Multi Select GridMultiSelectMode.CellSelect, // Grid Multi Select Mode DrawFocusRectStyle.CellFocus, // Draw Focus Rect Style true, // Show Indicator true, // Show Column Headers true, // Allow Column Moving true, // Allow Column Resizing true, // Allow Filter true, // Allow Sort false, // Allow Cell Merge EditorShowMode.Default, // Editor Show Mode false // Editable ); this.gridView.OptionsBehavior.AutoPopulateColumns = true; this.gridControl.DataSource = new nwindDataSetTableAdapters.OrdersTableAdapter().GetData(); Random rand = new Random(); foreach(GridColumn column in this.gridView.Columns) { column.AppearanceHeader.BackColor = Color.FromArgb ( rand.Next(0, 255), rand.Next(255), rand.Next(255) ); column.AppearanceHeader.BackColor2 = Color.FromArgb ( rand.Next(0, 255), rand.Next(255), rand.Next(255) ); } this.gridView.BestFitColumns(); this.gridView.CustomDrawColumnHeader += gridView_CustomDrawColumnHeader; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 그리드 뷰 컬럼 헤더 커스텀 그리기 - gridView_CustomDrawColumnHeader(sender, e) /// <summary> /// 그리드 뷰 컬럼 헤더 커스텀 그리기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void gridView_CustomDrawColumnHeader(object sender, ColumnHeaderCustomDrawEventArgs e) { if(e.Column == null) { return; } Rectangle rectangle = e.Bounds; Brush brush = e.Cache.GetGradientBrush ( rectangle, e.Column.AppearanceHeader.BackColor, e.Column.AppearanceHeader.BackColor2, e.Column.AppearanceHeader.GradientMode ); rectangle.Inflate(-1, -1); e.Cache.FillRectangle(brush, rectangle); e.Appearance.DrawString(e.Cache, e.Info.Caption, e.Info.CaptionRect); foreach(DrawElementInfo info in e.Info.InnerElements) { if(!info.Visible) { continue; } ObjectPainter.DrawObject(e.Cache, info.ElementPainter, info.ElementInfo); } e.Handled = true; } #endregion } } |
