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OBJ_ROTATE()                                               C_EXAM14,C_DEMO
   Rotates an object.

   Syntax
         nIndex = OBJ_ROTATE(nIndex,nX,xY,nRotation)

   Arguments
         nIndex      Object number.
         nX          X point of rotation.
         nY          Y point of rotation.
         nRotation   Rotation in tenths of degrees.

   Returns
         nIndex      Returns object number.

   Description
         OBJ_ROTATE() rotates the nIndex object number. nRotation is the
         amount of rotation in tenths of degrees for line objects (type 1-4),
         round objects (type 12-17), and stroke text objects (type 20).
         Bitmapped text is not rotated.

         If the object number is not in the drawing, a 0 is returned.