LB_GETHORIZONTALEXTENT
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4/8/2010
This message is sent by an application to retrieve from a list box the width, in pixels, by which the list box can be scrolled horizontally — the scrollable width — if the list box has a horizontal scroll bar.
Syntax
LB_GETHORIZONTALEXTENT wParam = 0;
lParam = 0;
Parameters
- wParam
Not used.
- lParam
Not used.
Return Value
The scrollable width, in pixels, of the list box indicates success.
Remarks
To respond to the LB_GETHORIZONTALEXTENT message, the list box must have been defined with the WS_HSCROLL style.
Requirements
| Header | winuser.h |
| Windows Embedded CE | Windows CE 1.0 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |