The TBM_SETRANGEMIN message sets the minimum position for the slider in a trackbar.
TBM_SETRANGEMIN
wParam = (WPARAM) fRedraw;
lParam = (LPARAM) lMinimum;
Parameters
fRedraw
Redraw flag. If this parameter is TRUE, the slider is redrawn after the range is set.
lMinimum
Minimum position for the slider.
Return Values
No return value.