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Holding telnet connection id or ref.

Hi.

I am using builtin telnet connection from labview. Created 3 .net dll's open, readWrite and close. Using these dll's in teststand.  The problem is , how to pass the telent ref/id from 'open' step to 'readWrite'(next step in teststand). 

 

When i use VI's directly the telnet Ref/id is just an Number(datatype) . I can store and pass it to next step by using a (number type) variable.

 

But when i create .net dll it is a container. I have created a custom data type and using variable of this custom data type. The readWrite step throws an error not valid Ref/id.

 

The id seems to be a pointer. I think it is invalid after the 'open' step  is executed.

 

Please let me know how to handle?

 

Thanks in advance.

 

Test engineer
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