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XmDirectionMatch(3)


NAME

   XmDirectionMatch  ---  A  function  that checks for a specified direction
   component "XmDirectionMatch"

SYNOPSIS

   #include <Xm/Xm.h>
   Boolean XmDirectionMatch (d1, d2)
           XmDirection     d1;
           XmDirection     d2;
   (void)

DESCRIPTION

   XmDirectionMatch compares two XmDirection values.  The function returns
   a  Boolean  value  depending  on  whether  or  not the two input values
   "match."  The simplest match is when d1 and d2 are identical.  However,
   other  matches  are  possible.   XmDirectionMatch  attempts  to compare
   specified bits only; nonspecified bits automatically match.

   For example, suppose that d1 equals  XmTOP_TO_BOTTOM_RIGHT_TO_LEFT.  In
   this   case,  the  function  will  return  True  if  d2  equals  either
   XmRIGHT_TO_LEFT or XmTOP_TO_BOTTOM. However, the function  will  return
   False       if       d2      equals      XmTOP_TO_BOTTOM_LEFT_TO_RIGHT,
   XmBOTTOM_TO_TOP_RIGHT_TO_LEFT, or XmBOTTOM_TO_TOP_LEFT_TO_RIGHT.

   Note that direction can be thought of as  having  three  components,  a
   horizontal  component,  a  vertical component, and the precedence among
   them.  This  means  that  in  addition  to  the  previously   mentioned
   directions,   the  function  will  still  return  False  if  d1  equals
   XmTOP_TO_BOTTOM_RIGHT_TO_LEFT          and          d2           equals
   XmRIGHT_TO_LEFT_TOP_TO_BOTTOM.

   d1        Specifies an XmDirection value.

   d2        Specifies an XmDirection value.

RETURN VALUES

   Returns True if d1 "matches" d2; otherwise, returns False.

RELATED INFORMATION

   XmDirection(3),                             XmDirectionMatchPartial(3),
   XmDirectionToStringDirection(3), XmString(3), XmStringDirection(3), and
   XmStringDirectionToDirection(3).

                                                       XmDirectionMatch(3)



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