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Gets the number of items in a list box.
Parameters
-
wParam
-
Not used; must be zero.
-
lParam
-
Not used; must be zero.
Return value
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).
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
|