WM_DELETEITEM

The WM_DELETEITEM message is 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.

WM_DELETEITEM 
idCtl = wParam;                      // control identifier 
lpdis = (LPDELETEITEMSTRUCT) lParam; // structure with item information 
 

Parameters

idCtl

Value of wParam. Specifies the identifier of the control that sent the WM_DELETEITEM message.

lpdis

Value of lParam. Pointer to a DELETEITEMSTRUCT structure that contains information about the item deleted from a list box.

Return Values

An application should return TRUE if it processes this message.

QuickInfo

  Windows NT: Requires version 3.1 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Requires version 1.0 or later.
  Header: Declared in winuser.h.

See Also

List Boxes Overview, List Box Messages, CB_DELETESTRING, CB_RESETCONTENT, DELETEITEMSTRUCT, LB_DELETESTRING, LB_RESETCONTENT