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