Flowdock
variables() public

Returns array of WIN32OLE_VARIABLE objects which represent variables defined in OLE class. 

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

   The result of above sample script is follows:
     xlChart = -4109
     xlDialogSheet = -4116
     xlExcel4IntlMacroSheet = 4
     xlExcel4MacroSheet = 3
     xlWorksheet = -4167
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