Add image button to listview

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C#

I want to add an image button to each item in listview in detail view mode and large icon view mode.

What I have tried:

private void ls_DrawItem(object sender, DrawListViewItemEventArgs e)
        {
            e.DrawDefault = false;
        }

private void ls_DrawSubItem(object sender, DrawListViewSubItemEventArgs e)
       {
           if (e.ColumnIndex == ls.Columns.Count - 1)
           { ...add image button}
else
           {
               e.DrawDefault = true;
           }

this works for detail view mode, but in large icon mode, ls_DrawSubItem
method didn't get hit.