problems with TLBIMP:'interopx.dll' not a valid type library

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Hi!

I tried to use tlbimp to generate a type library, the following way:

tlbimp interopx.dll /out: newinteropx.tlb **

the resulting error was: ...\interopx.dll is not a valid type library.

this is an interop dll of a VB6 project. I build the project and updated the DLL file. I moved the interopx.dll to the tlbimp folder and then called tlbimp(**with the above mentioned command).

Frankly speaking i cant understand what to do at this point?

Thanks in advance!!

Posted 25-Jul-12 2:11am

kash_sheetansh

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PrafullaVedante 25-Jul-12 10:54am

Try using only tlbimp interopx.dll

Richard MacCutchan 25-Jul-12 11:08am

\interopx.dll is not a valid type library.
I think that message should give you a clue that you have a problem with your source. If it's not built in the correct format then there is not much you can do about it. Maybe you should contact the person or company that produced it.

Fragmentic 26-Jul-12 0:27am

I had the same problem when wrapped dll of not COM type. I found solution in loading dll through interop, even it was win32 lib, it included without any wrappers, like:
[System.Runtime.InteropServices.DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto, CallingConvention = System.Runtime.InteropServices.CallingConvention.StdCall)]
public static extern void mouse_event(uint dwFlags, uint dx, uint dy, uint cButtons, uint dwExtraInfo);

kash_sheetansh 26-Jul-12 9:26am

thanks fragmentic. tats really helpful. Just one question, this is Pinvoke rite?

Fragmentic 26-Jul-12 22:43pm

Yep

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