How to prevent others using my dll?

[aliinal]

I've written some dlls.
but i want to block other programmers using them. How can i prevent it? I want only my program can use it but not others'

thanks

 

[vb5prgrmr]

As part of the arguements passed in to each API call you could pass a key that could be validated internally by the dll. If the key is not valid it throws an error.

 

[CCLINT]

ActiveX Dlls?
So much for passing arguments when initializing the Dll class..... *******************************************************
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[aliinal]

Yes that's activex dll...