This message informs the owner of an owner-draw list box or combo box that a list-box item has been removed. This message is sent when the list box or combo box is destroyed or the item is removed by the LB_DELETESTRING, LB_RESETCONTENT, CB_DELETESTRING or CB_RESETCONTENT message.
wParam
This parameter is not used.
lParam
Contains a long pointer to a DELETEITEMSTRUCT data structure that contains information about the deleted list-box item.
CB_DELETESTRING, CB_RESETCONTENT, DELETEITEMSTRUCT, LB_DELETESTRING, LB_RESETCONTENT