How can I use a VB library, in VC++

[mr2003]

Hi, I have a VB library file which has many functions/constants. How can I use that in a VC++ program? Should I make a VB dll file, and include all of the functions in it? Ehsan Behboudi

[AlexO]

You have to covert it to COM library.

[mr2003]

how can I do that? Ehsan Behboudi

[mr2003]

ok i just checked,, the library is written according to COM. what should i do next? Ehsan Behboudi

[AlexO]

use #import "myvbcode.dll" during c++ compilation it would generate myvbcode.tlh myvbcode.tli which are automatically included then just select the functionality you need. If you need more help, publish generated .tli file here and example of how you would use it in VB.

[AlexO]

P.S. #import "libid:12341234-1234-1234-1234-123412341234" where 12341234-1234-1234-1234-123412341234 is you LIBID, is preferable. This way you do not depend on the location of the COM dll during compilation.

[mr2003]

where in the VC++ program should I add #import "myvbcode.dll" ?? Ehsan Behboudi

[AlexO]

Stdafx.h usually is a good place. In general, it should be treaded as any other include file - you put right before the code that uses it. the actual #import "myvbcode.dll" is substituted at compile time for #include "myvbcode.tlh" #include "myvbcode.tli"