combobox 控件如何显示外部的图片

combobox 控件怎么显示外部的图片
VB.NET code
Dim mFileInfo As FileInfo
        Dim mDirInfo As New DirectoryInfo(Application.StartupPath & "\Programs\Head")
        Dim DrawFile As Bitmap
        Dim Rec As Drawing.Rectangle = New Drawing.Rectangle(2, 2, 98, 98)
        tFace.DrawMode = DrawMode.OwnerDrawFixed
        For Each mFileInfo In mDirInfo.GetFiles()
            DrawFile = New Bitmap(New Drawing.Bitmap(mFileInfo.FullName))
'得到所有图片列表并循环
        Next


------解决方案--------------------
你把外部图片文件加到ImageList不就可以了.