kind=defined
names=name
visibility=public

--- name
alias to_s

Returns the name of variable.

   tobj = WIN32OLE_TYPE.new('Microsoft Excel 9.0 Object Library', 'XlSheetType')
   variables = tobj.variables
   variables.each do |variable|
     puts "#{variable.name}"
   end

   The result of above script is following:
     xlChart
     xlDialogSheet
     xlExcel4IntlMacroSheet
     xlExcel4MacroSheet
     xlWorksheet

