The TBM_SETTIC message sets the position of a tick mark in a trackbar.
TBM_SETTIC
wParam = 0;
lParam = (LPARAM) (LONG) lPosition;
Parameters
lPosition
Position of the tick mark. This parameter must specify a positive value.
Return Values
Returns TRUE if the tick mark is set or FALSE otherwise.
Remarks
A trackbar creates its own first and last tick marks. An application should not use this message to set the first and last marks.