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