CB_GETHORIZONTALEXTENT Overview  Group

An application sends the CB_GETHORIZONTALEXTENT message to retrieve from a combo box the width, in pixels, by which the list box can be scrolled horizontally (the scrollable width). This is applicable only if the list box has a horizontal scroll bar.

CB_GETHORIZONTALEXTENT 

wParam = 0;     // not used, must be zero 

lParam = 0;     // not used, must be zero 

 

Parameters

This message has no parameters.

Return Values

The return value is the scrollable width, in pixels.

See Also

CB_SETHORIZONTALEXTENT