Get return values from .dll using Ruby on rails?

from ROR i am passing parameters to C#.net dll and doing some calculation &开发者_如何学C returning values there but i am not able to retrive those values. is it possible to get dll method return value with ROR ?

Code:

lib = WIN32OLE.new('GenerateUCNValues.GenerateUCNValues')

@a=lib.GenerateUCN(obj.String.to_s,obj.id.to_i,obj.Name.to_s)-- here i am not getting the return value (calculation operation doing good but i am not able to capture return value with ROR)

please share anyone have solution for this problem?

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I recommend you expose your C# logic as restful web-service and make calls over the wire. Connecting via win32 is just ugly, and you won't find much help on the net to do so.