The Delphi complier often uses a *.Dll when a special delivery of code info is required to the complier/editor:- example bourland.dll is the memory manager for the Delphi complier, as I remember. And their are many other *.dll's that Embarcoo keep secret that do other things. Is their anything you know that is public information on this subject

.net's un managed code could be declared in a *.pas file as a decelerations but the only way to communicate it out is calling *.dll's like P/Invoke

I have ilasm.exe and ildasm.exe and a decomplier into Delphi asm code now but still getting around to learn how to use them all yet.

I do not have any reference material/editorials on P/invoke at all as I cannot find anything With that I will have a good concrete plan to make a good result I do not know what *.DLL's are in P/Invoke. Do you have any documentation.

I do not have any reference material/editorials on ADO.net. The Dlls that are called and any referqance matrial I could use.

Best regards, J Lex Dean.