topText = CMT_CLOSE;
  CMI_textStyle = TS_BOLD;

  GTI_destination = @TVDialog;
  GTI_actionMsg = MSG_MVD_CLOSE;

  HINT_SEEK_REPLY_BAR;
  HINT_SEEK_SLOT = 3;
}

@end TheViewerUI;
</PRE>

<H3>Four Entry Points</H3>

<P>Your VILFile library must provide four entry points (exported routines).
   The order in which these routines are exported (in the GP file) is 
   important; they should correspond to the values of the 
   <CODE>ViewerLibraryRoutine</CODE> enumerated type (defined in 
   viewer.goh).  You wil