AIN_TO_AXES</H6>
<PRE CLASS="syntax">void MSG_VIS_RULER_CONSTRAIN_TO_AXES(
        PointDWFixed _far* point);</PRE>
<P>
Use this message to constrain the mouse to the axes; that is to force it to be in line either horizontally or vertically with the reference point (the point stored in <CODE>
VRI_reference</CODE>
).</P>


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MSG_VIS_RULER_CONSTRAIN_TO_HORIZONTAL_AXIS</H6>
<PRE CLASS="syntax">void MSG_VIS_RULER_CON