An application sends the SBM_GETRANGE message to a scroll bar control to retrieve the minimum and maximum position values for the control.
SBM_GETRANGE
wParam = (WPARAM) (LPINT) lpnMinPos; // minimum position
lParam = (LPARAM) (LPINT) lpnMaxPos; // maximum position
Parameters
lpnMinPos
Points to a value that receives the minimum scrolling position.
lpnMaxPos
Points to a value that receives the maximum scrolling position.
Return Values
This message does not return a value.
See Also