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 or, if the combo box has the CBS_DISABLENOSCROLL style, disabled.
At a Glance
| Header file: | Winuser.h |
| Windows CE versions: | 1.0 and later |
Syntax
CB_SETHORIZONTALEXTENT wParam = (WPARAM) cxExtent;
lParam = 0;
Parameters
cxExtent
Specifies the scrollable width of the list box, in pixels.
Return Values
None.
See Also