Global code to center user forms

I have the following code which centers user forms on their screen, i have this in every module (with a different form name of course), but would like to simlyfy it into a global module and just call it from each form when it initialises.

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I was thinking something along the lines of storing the form name as a varaible (strFrmName) and then using code as such :

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But its not working. I have also tried the below with no luck. Icannot find anythin online about this either:

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userform Initialize event

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in a standard module

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Thanks, works a treat.