 update the document display UI. */
  theBlock = VMGetMapBlock( pself-&gt;MVDI_fileStash ); 
  theBuffer = VMLock( pself-&gt;MVDI_fileStash, theBlock, &dummyHandle );

  /* We reuse the "someObject" variable to refer to each of the 
     document display objects in turn. */
  someObject = ConstructOptr( OptrToHandle( oself ),
                              OptrToChunk( @TVAddend0 ) );
  @call someObject::MSG_GEN_VALUE_SET_VALUE( theBuffer[0], FALSE );
  someObject = ConstructOptr( OptrToHandle( oself ),
    