LB_GETCOUNT

An application sends an LB_GETCOUNT message to retrieve the number of items in a list box.

LB_GETCOUNT 
wParam = 0; // not used; must be zero 
lParam = 0; // not used; must be zero 
 

Parameters

This message has no parameters.

Return Values

The return value is the number of items in the list box, or LB_ERR if an error occurs.

Remarks

The returned count is one greater than the index value of the last item (the index is zero-based).

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, LB_SETCOUNT