externals on Windows

[Vokey, John]

I normally use Livecode for OS X, but I have a device that is controlled from Windows.  I would like to build an interface to the device to work with Livecode on Windows, and to do so, I would need to build and external that connects with a DLL to toggle to read the inputs from the device.  I know nothing about writing externals for Livecode on Windows.  Are there any tutorials available?

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Vokey, John
vokey at uleth.ca