Step 1: Click New Project, then select Visual C# on the left, then Windows and then select Windows Forms Application. Name your project "ImageComboBoxEditExample" and then click OK
Step 2: Design your form as below

You need to add an ImageCollection to your windows form application
Step 3: Add code to SelectedIndexChanged event handler as below
private void imageComboBoxEdit_SelectedIndexChanged(object sender, EventArgs e)
{
DevExpress.XtraEditors.XtraMessageBox.Show(imageComboBoxEdit.EditValue.ToString(), "Message", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
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