.</DD>
<DT>
VRCS_CONSTRAIN_TO_VECTOR_REFLECTION </DT><DD>
This flag signals that the mouse position should be constrained to the reflection of the line passing through the reference and vector points.</DD>
</DL>
<P>
The <A NAME="Ruler_3.htm_IX_VRI_type">
 </A>
<CODE>
VRI_type</CODE>
 and <A NAME="Ruler_3.htm_IX_VRI_minIncrement">
 </A>
<CODE>
VRI_minIncrement</CODE>
 fields determine the measurement type and ruler increment of the ruler.Normally, the user will work with the ruler's type via a RulerTypeContr