LB_SETHORIZONTALEXTENT
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4/8/2010
This message is sent by an application to set the width, in pixels, by which a list box can be scrolled horizontally (the scrollable width). If the width of the list box is smaller than this value, the horizontal scroll bar horizontally scrolls items in the list box. If the width of the list box is equal to or greater than this value, the horizontal scroll bar is hidden.
Syntax
LB_SETHORIZONTALEXTENT wParam = (WPARAM) cxExtent;
lParam = 0;
Parameters
- cxExtent
Specifies the number of pixels by which the list box can be scrolled.
- lParam
Not used.
Return Value
None.
Remarks
To respond to the LB_SETHORIZONTALEXTENT 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 |