method
    
    helpfile
 
  helpfile()
  public
  Returns helpfile path. If helpfile is not found, then returns nil.
tobj = WIN32OLE_TYPE.new('Microsoft Excel 9.0 Object Library', 'Worksheet') puts tobj.helpfile # => C:\...\VBAXL9.CHM
 
  helpfile()
  public
  Returns helpfile path. If helpfile is not found, then returns nil.
tobj = WIN32OLE_TYPE.new('Microsoft Excel 9.0 Object Library', 'Worksheet') puts tobj.helpfile # => C:\...\VBAXL9.CHM