lb-getcount.md

title	description	ms.assetid	keywords	topic_type	api_name	api_location	api_type	ms.topic	ms.date
LB_GETCOUNT message (Winuser.h)	Gets the number of items in a list box.	1fbe44fc-8b9d-4bfa-a8bb-06817eecf064	LB_GETCOUNT message Windows Controls	apiref	LB_GETCOUNT	Winuser.h	HeaderDef	reference	05/31/2018

LB_GETCOUNT message

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	Winuser.h (include Windows.h)

See also

LB_SETCOUNT