ImageComboBoxItem Class

using DevExpress.Utils;
using DevExpress.XtraEditors;
using DevExpress.XtraEditors.Controls;

//ImageCollection storing images for items 
private DevExpress.Utils.ImageCollection imageCollection1;

//image combo box editor created at runtime 
DevExpress.XtraEditors.ImageComboBoxEdit rtImageComboBox;

private void Form1_Load(object sender, EventArgs e) {
    rtImageComboBox = CreateImageComboBoxEdit(new Rectangle(220, 10, 120, 20), this);
    AddItems(rtImageComboBox, imageCollection1);
    //select the last item 
    rtImageComboBox.SelectedIndex = rtImageComboBox.Properties.Items.Count - 1;
}

//create the editor 
private ImageComboBoxEdit CreateImageComboBoxEdit(Rectangle bounds, Control container) {
    ImageComboBoxEdit editor = new ImageComboBoxEdit();
    editor.Bounds = bounds;
    container.Controls.Add(editor);
    editor.SelectedIndexChanged += new EventHandler(imageComboBoxEdit_SelectedIndexChanged);
    return editor;
}

//add items 
private void AddItems(ImageComboBoxEdit editor, ImageCollection imgList) {
    for (int i = 0; i < 7; i++)
        editor.Properties.Items.Add(new ImageComboBoxItem("Item " + (i + 1).ToString(), i, i));
    editor.Properties.SmallImages = imgList;
}

//display information on the selected item 
void imageComboBoxEdit_SelectedIndexChanged(object sender, EventArgs e) {
    ImageComboBoxEdit editor = sender as ImageComboBoxEdit;
    this.Text = "SelectedIndexChanged: index " + editor.SelectedIndex.ToString() +
        " / value " + editor.EditValue.ToString() + " / display text " + editor.Text;
}

Imports DevExpress.Utils
Imports DevExpress.XtraEditors
Imports DevExpress.XtraEditors.Controls

'image combo box editor created at runtime 
Private rtImageComboBox As DevExpress.XtraEditors.ImageComboBoxEdit

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) _
  Handles MyBase.Load
    rtImageComboBox = CreateImageComboBoxEdit(New Rectangle(220, 10, 120, 20), Me)
    AddItems(rtImageComboBox, imageList1)
    rtImageComboBox.SelectedIndex = rtImageComboBox.Properties.Items.Count - 1
End Sub 

'create the editor 
Private Function CreateImageComboBoxEdit(ByVal bounds As Rectangle, _
  ByVal container As Control) As ImageComboBoxEdit
    Dim editor As New ImageComboBoxEdit
    editor.Bounds = bounds
    container.Controls.Add(editor)
    AddHandler editor.SelectedIndexChanged, _
      New EventHandler(AddressOf imageComboBoxEdit_SelectedIndexChanged)
    Return editor
End Function 

'add items 
Private Sub AddItems(ByVal editor As DevExpress.XtraEditors.ImageComboBoxEdit, _
  ByVal imgList As ImageCollection)
    For i As Integer = 0 To 6
        editor.Properties.Items.Add(New ImageComboBoxItem("Item " & (i + 1).ToString(), i, i))
    Next 
    editor.Properties.SmallImages = imgList
End Sub 

'display information on a selected item 
Sub imageComboBoxEdit_SelectedIndexChanged(ByVal sender As Object, _
  ByVal e As EventArgs)
    Dim editor As ImageComboBoxEdit = CType(sender, ImageComboBoxEdit)
    Me.Text = "SelectedIndexChanged: index " + editor.SelectedIndex.ToString() + _
     " / value " + editor.EditValue.ToString() + " / display text " + editor.Text
End Sub