CWnd::EnableScrollBar

Статья
10/16/2008

Enables or disables one or both arrows of a scroll bar.

BOOL EnableScrollBar(
   int nSBFlags,
   UINT nArrowFlags = ESB_ENABLE_BOTH 
);

Параметры

nSBFlags
Specifies the scroll-bar type. Can have one of the following values:
- SB_BOTH Enables or disables the arrows of the horizontal and vertical scroll bars associated with the window.
- SB_HORZ Enables or disables the arrows of the horizontal scroll bar associated with the window.
- SB_VERT Enables or disables the arrows of the vertical scroll bar associated with the window.
nArrowFlags
Specifies whether the scroll-bar arrows are enabled or disabled and which arrows are enabled or disabled. Can have one of the following values:
- ESB_ENABLE_BOTH Enables both arrows of a scroll bar (default).
- ESB_DISABLE_LTUP Disables the left arrow of a horizontal scroll bar or the up arrow of a vertical scroll bar.
- ESB_DISABLE_RTDN Disables the right arrow of a horizontal scroll bar or the down arrow of a vertical scroll bar.
- ESB_DISABLE_BOTH Disables both arrows of a scroll bar.

Возвращаемое значение

Nonzero if the arrows are enabled or disabled as specified. Otherwise it is 0, which indicates that the arrows are already in the requested state or that an error occurred.