Sent to the owner of a list box or combo box when the list box or combo box is destroyed or when items are removed by the LB_DELETESTRING, LB_RESETCONTENT, CB_DELETESTRING, or CB_RESETCONTENT message. The system sends a WM_DELETEITEM message for each deleted item. The system sends the WM_DELETEITEM message for any deleted list box or combo box item with nonzero item data.
Specifies the identifier of the control that sent the WM_DELETEITEM message.
Pointer to a DELETEITEMSTRUCT structure that contains information about the item deleted from a list box.
An application should return TRUE if it processes this message.
Microsoft Windows NT and later: Windows sends a WM_DELETEITEM message only for items deleted from an owner-drawn list box (with the LBS_OWNERDRAWFIXED or LBS_OWNERDRAWVARIABLE style) or owner-drawn combo box (with the CBS_OWNERDRAWFIXED or CBS_OWNERDRAWVARIABLE style).
Windows 95: Windows sends the WM_DELETEITEM message for any deleted list box or combo box item with nonzero item data.
Minimum supported client
|Windows Vista [desktop apps only]|
Minimum supported server
|Windows Server 2003 [desktop apps only]|