Why can't VFP use any DLL

[LorenC]

I have a 3rd party DLL I'm using and it works great.
They sent me a second DLL for another part of my program and the project manager gave error "DLL is invalid".

What DLLs can I use ?

What is the difference that VFP can't use some DLLs ?

What advice can I give 3rd party in making the DLL.
They are not familure with VFP

 

[johnwm]

This is the VB5/6 forum - use the search at the top of the page to find one of the (several) VFP forums and you may get a better answer

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