Re: Windows 7 dll import problem

Tech-Archive recommends: Fix windows errors by optimizing your registry

roidy wrote:
I just hope that the version of the dll compiled in Windows 7 will work in WinXP. But I can't test it just yet as my XP machine is currently in bits awaiting new parts..........

Use DEPENDS to get list of DEPENDENCIES for the LIBMP4V2.DLL. You can also get the implicit loads using DUMPBIN.

DUMPBIN /DEPENDENTS LIBMP4V2.DLL

I wrote a command line version of DEPENDS called LDEPENDS.ZIP

ftp://ftp.santronics.com/wildcat/tools

and I use to quickly see what is needed by EXE and DLLs. It doesn't work well with SxS baloney (but DEPENDS does)

For example, for us, WCSRV2.DLL is the our DLL for WIN32 and for .NET DLLIMPORTING. For this solid 12 year old WIN32 version, LDEPENDS shows:

D:\wc63>ldepends wcsrv2.dll
Module: [wcsrv2.dll]
+ rpcrt4.dll
+ wsock32.dll
+ msvcrt.dll
+ mfc42.dll
+ kernel32.dll
+ user32.dll
+ advapi32.dll
+ ole32.dll

This is solid code for all WIN32 compatiable Windows OSes, but that was compiled with VS98.

Now when its compiled using VS2005:

G:\wc7beta>ldepends wcsrv2.dll
Module: [wcsrv2.dll]
+ rpcrt4.dll
+ wsock32.dll
+ mfc80d.dll
+ msvcr80d.dll
+ kernel32.dll
+ user32.dll
+ advapi32.dll
+ ole32.dll
+ oleaut32.dll

**** report ****
MFC80D.DLL LoadLibrary() Error: 126
MSVCR80D.dll LoadLibrary() Error: 126

So there are more dependencies that uses 8.0 dlls files and these are trying to load or aliased with SxS. Ldepends has a problem finding SxS stuff, but when the EXE or DLL is loaded for real, the OS loader (and DEPENDS) knows whats to do.

So your goal is to see what RTL (run time libraries) you want to use. If you compile with VS200x then you will bring more libraries that are for that compiler version RTL.

What I would do is find the minimum required for LIBMP3V2.DLL and stick with it. But then again if you are compiling the main application for .NET, then most likely you will need 8.0 (VS2005) or 9.0 (VS2008) files anyway.

--


"Mike" <unknown@xxxxxxxxxx> wrote in message news:OcHTMxJ2JHA.1416@xxxxxxxxxxxxxxxxxxxxxxx
roidy wrote:
Well I recompiled the dll file from source in Windows 7 and now it works..... Go figure.....

Thanks for the help

Good. I was going to say that a the STACK OVERFLOW was not good and there was something not right with the DLL. I was going to suggest to turn on all the profile check boxes to see more loading details of MSCOREE.DLL.

--

.

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