FIX v4.0 and v4.1 Session

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Imported from previous forum

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Hello,

Is there something a switch (or #define) to tell the compiler that I’m using FIX v4.0 or V4.1?

Is there any other way to distinguish a FIX v4.0 message from v4.1 message other than the BeginString field of MessageHandler?

Is there a seamless way of handling both versions of messages in one application? Or you cann’t do this?

Your inputs are very much appreciated.

Thank you very much.

Regards,
Jason

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[ original email was from Yogesh Pandey - ypandey@hotmail.com ]
Header field BeginString of the message tells wheather it’s a 4.0 or 4.1 message etc
> Hello,
>
> Is there something a switch (or #define) to tell the compiler that I’m using FIX v4.0 or V4.1?
>
> Is there any other way to distinguish a FIX v4.0 message from v4.1 message other than the BeginString field of MessageHandler?
>
> Is there a seamless way of handling both versions of messages in one application? Or you cann’t do this?
>
> Your inputs are very much appreciated.
>
> Thank you very much.
>
> Regards,
> Jason
>
>