# Existing Dll - using Functions from an existing dll

**URL:** <https://www.ruby-forum.com/t/existing-dll-using-functions-from-an-existing-dll/128198>\
**Category:** Ruby\
**Created:** [February 5, 2008, 8:40pm UTC](https://www.ruby-forum.com/t/existing-dll-using-functions-from-an-existing-dll/128198 "2008-02-05T20:40:46Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![unknown](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/4bbf92/32.png) [@unknown](https://www.ruby-forum.com/u/unknown)\
**Post date:** [February 5, 2008, 8:40pm UTC](https://www.ruby-forum.com/t/existing-dll-using-functions-from-an-existing-dll/128198/1 "2008-02-05T20:40:46Z")

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I’m trying to create a ruby wrapper around an existing DLL. All i have  
is the header file and the .dll itself. Can someone point me where I  
can find an example of how to do this.