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).
See Also