Contents page

DrawArrow()

    USAGE


        void DrawArrow(RastPort, Knob)


    FUNCTION


        This redraws the arrow in the knob. Use it to reposition th arrow.


        If the KOB_CALCVALUE flag was set, it will take the number in the Value field
        und use that to calculate the arrow position. So, simply set the Value and
        call DrawArrow.


        If KNOB_CALCVALUE is not set, you must put the arrow position you want in the
        Arrow field of the knob structure. The arrow has a range of 0 throught 65535.


    INPUTS


        RastPort = Pointer to the RastPort to draw in.
        Knob     = Pointer to a Knob structure.


    RESULT


        none (void)


    SEE ALSO


        DrawKnobs, KnobGadgets