An application sends the SBM_ENABLE_ARROWS message to enable or disable one or both arrows of a scroll bar control.
SBM_ENABLE_ARROWS wParam = (WPARAM) fuArrowFlags; // scroll-bar arrow flags lParam = 0; // not used; must be zero
Value |
Meaning |
ESB_DISABLE_BOTH |
Disables both arrows on a scroll bar. |
ESB_DISABLE_DOWN |
Disables the down arrow on a vertical scroll bar. |
ESB_DISABLE_LTUP |
Disables the left arrow on a horizontal scroll bar or the up arrow on a vertical scroll bar. |
ESB_DISABLE_LEFT |
Disables the left arrow on a horizontal scroll bar. |
ESB_DISABLE_RTDN |
Disables the right arrow on a horizontal scroll bar or the down arrow on a vertical scroll bar. |
ESB_DISABLE_UP |
Disables the up arrow on a vertical scroll bar. |
ESB_ENABLE_BOTH |
Enables both arrows on a scroll bar. |
If the message succeeds, the return value is TRUE; otherwise, it is FALSE.
file: /Techref/os/win/api/win32/mess/src/msg15_22.htm, 2KB, , updated: 2000/4/7 11:20, local time: 2024/11/8 17:34,
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