dev xGridControl Cell添加图片

using System;using System.Drawing;using System.Collections;using System.ComponentModel;using System.Windows.Forms;using System.Data;using System.IO;using DevExpress.XtraGrid.Columns;using DevExpress.XtraEditors;using DevExpress.XtraEditors.Controls;using DevExpress.XtraEditors.Repository;using DevExpress.Utils.Controls;namespace ImagesInCells{    /// <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;        private DevExpress.XtraEditors.CheckEdit checkEdit1;        /// <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();            this.checkEdit1 = new DevExpress.XtraEditors.CheckEdit();            ((System.ComponentModel.ISupportInitialize)(this.gridControl1)).BeginInit();            ((System.ComponentModel.ISupportInitialize)(this.gridView1)).BeginInit();            ((System.ComponentModel.ISupportInitialize)(this.checkEdit1.Properties)).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(666, 372);            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.OptionsView.ShowGroupPanel = false;            //             // checkEdit1            //             this.checkEdit1.Location = new System.Drawing.Point(37, 315);            this.checkEdit1.Name = "checkEdit1";            this.checkEdit1.Properties.Caption = "Allow Edit";            this.checkEdit1.Size = new System.Drawing.Size(80, 19);            this.checkEdit1.TabIndex = 1;            this.checkEdit1.CheckedChanged += new System.EventHandler(this.checkEdit1_CheckedChanged);            //             // Form1            //             this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);            this.ClientSize = new System.Drawing.Size(666, 372);            this.Controls.Add(this.checkEdit1);            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();            ((System.ComponentModel.ISupportInitialize)(this.checkEdit1.Properties)).EndInit();            this.ResumeLayout(false);        }        #endregion        /// <summary>        /// The main entry point for the application.        /// </summary>        [STAThread]        static void Main()         {            Application.Run(new Form1());        }        private Image GetImageFromResource(string fileName) {            Stream resource = typeof(Form1).Assembly.GetManifestResourceStream("ImagesInCells.Resources." + fileName);            return Image.FromStream(resource);        }        private byte[] GetImageData(string fileName) {            Image img = GetImageFromResource(fileName);            MemoryStream mem = new MemoryStream();            img.Save(mem, System.Drawing.Imaging.ImageFormat.Bmp);            return mem.GetBuffer();        }        private void Form1_Load(object sender, System.EventArgs e) {            DataTable table = new DataTable();            table.Columns.Add("IsRead", typeof(bool));            table.Columns.Add("Type", typeof(int));            table.Columns.Add("Picture", typeof(byte[]));            table.Rows.Add(new object[] {true, 1, GetImageData("datasource_enabled.bmp")});            table.Rows.Add(new object[] {false, 2, null});            table.Rows.Add(new object[] {null, 3, null});            GridColumn column;            gridView1.PopulateColumns(table);            // CheckEdit            RepositoryItemCheckEdit checkEdit = gridControl1.RepositoryItems.Add("CheckEdit") as RepositoryItemCheckEdit;            checkEdit.PictureChecked = GetImageFromResource("read.bmp");            checkEdit.PictureUnchecked = GetImageFromResource("unread.bmp");            checkEdit.CheckStyle = DevExpress.XtraEditors.Controls.CheckStyles.UserDefined;            column = gridView1.Columns["IsRead"];            column.ColumnEdit = checkEdit;            column.Caption += " (CheckEdit)";                        // ImageComboBox            RepositoryItemImageComboBox imageCombo = gridControl1.RepositoryItems.Add("ImageComboBoxEdit") as RepositoryItemImageComboBox;                        DevExpress.Utils.ImageCollection images = new DevExpress.Utils.ImageCollection();            images.AddImage(GetImageFromResource("Error.png"));            images.AddImage(GetImageFromResource("Warning.png"));            images.AddImage(GetImageFromResource("Info.png"));            imageCombo.SmallImages = images;            imageCombo.Items.Add(new ImageComboBoxItem("Error", 1, 0));            imageCombo.Items.Add(new ImageComboBoxItem("Warning", 2, 1));            imageCombo.Items.Add(new ImageComboBoxItem("Info", 3, 2));            imageCombo.GlyphAlignment = DevExpress.Utils.HorzAlignment.Center;            column = gridView1.Columns["Type"];            column.ColumnEdit = imageCombo;            column.Caption += " (ImageComboBox)";            column.ShowButtonMode = DevExpress.XtraGrid.Views.Base.ShowButtonModeEnum.ShowOnlyInEditor;            // PictureEdit            RepositoryItemPictureEdit pictureEdit = gridControl1.RepositoryItems.Add("PictureEdit") as RepositoryItemPictureEdit;            pictureEdit.SizeMode = PictureSizeMode.Zoom;            pictureEdit.NullText = " ";            column = gridView1.Columns["Picture"];            column.ColumnEdit = pictureEdit;            column.Caption += " (PictureEdit)";            gridControl1.DataSource = table;            gridView1.OptionsBehavior.Editable = checkEdit1.Checked;        }        private void checkEdit1_CheckedChanged(object sender, System.EventArgs e) {            gridView1.OptionsBehavior.Editable = checkEdit1.Checked;        }    }}