SBM_SETSCROLLINFO

An application sends the SBM_GETSCROLLINFO message to set the parameters of a scroll bar.

SBM_SETSCROLLINFO

wParam = (WPARAM) fRedraw; // redraw flag

lParam = (LPARAM) (LPSCROLLINFO) lpsi; // scroll bar parameters

Parameters

fRedraw

Value of wParam. Specifies whether the scroll bar is redrawn to reflect the new scroll box position. If this parameter is TRUE, the scroll bar is redrawn. If it is FALSE, the scroll bar is not redrawn.

lpsi

Value of lParam. Points to a SCROLLINFO structure whose fMask member, when the message is sent, specifies the scroll bar parameters to set.

The fMask member can be a combination of the following values:

Value	Meaning
SIF_ALL	Combination of SIF_PAGE, SIF_POS, and SIF_RANGE.
SIF_PAGE	Sets the scroll page to the value specified in the nPage member of the SCROLLINFO structure pointed to by lpsi.
SIF_POS	Sets the scroll position to the value specified in the nPos member of the SCROLLINFO structure pointed to by lpsi.
SIF_RANGE	Sets the scroll range to the value specified in the nMin and nMax members of the SCROLLINFO structure pointed to by lpsi.

Return Values

The return value is the current position of the scroll box.

See Also

SBM_GETSCROLLINFO, SCROLLINFO

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