ShowScrollBar

The ShowScrollBar function shows or hides the specified scroll bar.

BOOL ShowScrollBar(

HWND hWnd,	// handle of window with scroll bar
int wBar,	// scroll bar flag
BOOL bShow	// scroll bar visibility flag
);

Parameters

hWnd

Identifies a scroll bar control or a window with a standard scroll bar, depending on the value of the wBar parameter.

wBar

Specifies the scroll bar(s) to be shown or hidden. This parameter can be one of the following values:

Value	Meaning
SB_BOTH	Shows or hides a window's standard horizontal and vertical scroll bars.
SB_CTL	Shows or hides a scroll bar control. The hWnd parameter must be the handle of the scroll bar control.
SB_HORZ	Shows or hides a window's standard horizontal scroll bars.
SB_VERT	Shows or hides a window's standard vertical scroll bar.

bShow

Specifies whether the scroll bar is shown or hidden. If this parameter is TRUE, the scroll bar is shown; otherwise, it is hidden.

Return Values

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

Remarks

While processing a scroll bar message, an application should not call this function to hide a scroll bar.

See Also

GetScrollPos, GetScrollRange, ScrollDC, ScrollWindow, SetScrollPos, SetScrollRange

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