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