XtraGrid 单元格加边框颜色

 

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

using System.Reflection;
using DevExpress.XtraGrid;
using DevExpress.XtraGrid.Columns;
using DevExpress.XtraGrid.Views.Base;
using DevExpress.XtraGrid.Views.Grid;
using DevExpress.XtraGrid.Views.Grid.ViewInfo;
using DevExpress.XtraGrid.Views.Grid.Drawing;

namespace CellBorder
{
    /// <summary>
    /// Summary description for Form1.
    /// </summary>
    public class Form1 : System.Windows.Forms.Form {
        private DevExpress.XtraGrid.GridControl gridControl1;
        private DevExpress.XtraGrid.Views.Grid.GridView gridView1;
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.Container components = null;

        public Form1() {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();

            //
            // TODO: Add any constructor code after InitializeComponent call
            //
        }

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        protected override void Dispose( bool disposing ) {
            if( disposing ) {
                if (components != null) {
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        #region Windows Form Designer generated code
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent() {
            this.gridControl1 = new DevExpress.XtraGrid.GridControl();
            this.gridView1 = new DevExpress.XtraGrid.Views.Grid.GridView();
            ((System.ComponentModel.ISupportInitialize)(this.gridControl1)).BeginInit();
            ((System.ComponentModel.ISupportInitialize)(this.gridView1)).BeginInit();
            this.SuspendLayout();
            // 
            // gridControl1
            // 
            this.gridControl1.Dock = System.Windows.Forms.DockStyle.Fill;
            this.gridControl1.EmbeddedNavigator.Name = "";
            this.gridControl1.Location = new System.Drawing.Point(0, 0);
            this.gridControl1.MainView = this.gridView1;
            this.gridControl1.Name = "gridControl1";
            this.gridControl1.Size = new System.Drawing.Size(476, 293);
            this.gridControl1.TabIndex = 0;
            this.gridControl1.ViewCollection.AddRange(new DevExpress.XtraGrid.Views.Base.BaseView[] {
            this.gridView1});
            // 
            // gridView1
            // 
            this.gridView1.GridControl = this.gridControl1;
            this.gridView1.Name = "gridView1";
            this.gridView1.CustomDrawCell += new
DevExpress.XtraGrid.Views.Base.RowCellCustomDrawEventHandler(this.gridView1_CustomDrawCell);
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.ClientSize = new System.Drawing.Size(476, 293);
            this.Controls.Add(this.gridControl1);
            this.Name = "Form1";
            this.Text = "Form1";
            this.Load += new System.EventHandler(this.Form1_Load);
            ((System.ComponentModel.ISupportInitialize)(this.gridControl1)).EndInit();
            ((System.ComponentModel.ISupportInitialize)(this.gridView1)).EndInit();
            this.ResumeLayout(false);

        }
        #endregion

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() {
            Application.Run(new Form1());
        }

        private void Form1_Load(object sender, System.EventArgs e) {
            new DevExpress.XtraGrid.Design.XViewsPrinting(gridControl1);
        }

        private void gridView1_CustomDrawCell(object sender,
DevExpress.XtraGrid.Views.Base.RowCellCustomDrawEventArgs e) {
            GridView view = sender as GridView;
            if(e.Column == view.FocusedColumn && e.RowHandle == view.FocusedRowHandle) {
                CellDrawHelper.DoDefaultDrawCell(view, e);
                CellDrawHelper.DrawCellBorder(e);
                e.Handled = true;
            }
        }
    }

    public static class CellDrawHelper {
        public static void DrawCellBorder(DevExpress.XtraGrid.Views.Base.RowCellCustomDrawEventArgs e) {
            Brush brush = Brushes.Black;
            e.Graphics.FillRectangle(brush, new Rectangle(e.Bounds.X - 1, e.Bounds.Y - 1, e.Bounds.Width
+ 2, 2));
            e.Graphics.FillRectangle(brush, new Rectangle(e.Bounds.Right - 1, e.Bounds.Y - 1, 2,
e.Bounds.Height + 2));
            e.Graphics.FillRectangle(brush, new Rectangle(e.Bounds.X - 1, e.Bounds.Bottom - 1,
e.Bounds.Width + 2, 2));
            e.Graphics.FillRectangle(brush, new Rectangle(e.Bounds.X - 1, e.Bounds.Y - 1, 2,
e.Bounds.Height + 2));
        }

        public static void DoDefaultDrawCell(GridView view, RowCellCustomDrawEventArgs e) {
            PropertyInfo pi;
            GridControl grid;
            GridViewInfo info;
            GridCellInfo cell;
            GridEditorContainerHelper helper;
            GridViewDrawArgs args;

            info = view.GetViewInfo() as GridViewInfo;
            cell = e.Cell as GridCellInfo;
            grid = view.GridControl;
            pi = grid.GetType().GetProperty("EditorHelper", BindingFlags.NonPublic |
BindingFlags.Instance | BindingFlags.DeclaredOnly);
            helper = pi.GetValue(grid, null) as GridEditorContainerHelper;
            args = new GridViewDrawArgs(e.Cache, info, e.Bounds);
            e.Appearance.FillRectangle(e.Cache, e.Bounds);
            helper.DrawCellEdit(args, cell.Editor, cell.ViewInfo, e.Appearance,
cell.CellValueRect.Location);
        }
    }
}