CB_GETHORIZONTALEXTENT message

Gets the width, in pixels, that the list box can be scrolled horizontally (the scrollable width). This is applicable only if the list box has a horizontal scroll bar.

Parameters

wParam

Not used; must be zero.

lParam

Not used; must be zero.

Return value

The return value is the scrollable width, in pixels.

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

CB_SETHORIZONTALEXTENT