>>>Anyone here done a cool LicenseProvider to protect their app, and support enabling modules using an encrypted license file?
>>>
>>>It doesn't look to hard, but some 'from the trenches' advice is welcome!
>>>
>>>BOb
>>
>>We use download #13199 for protection of our application. There is activation key web-service for automatization of licensing process.
>>The similar technology is used in www.visualextend.com framework
>
>That looks like it's for FoxPro. I'd really want a .Net, managed code stuff to do this with. We are looking a XHEO Licensing.
>
>Thanks,
>BOb

I do not pay attention that the Chater is in .Net forum.
We made C# code, which use LicenseProvider class.
It works in similar way as mentioned above DLLs and write in windows registries