HELP: DllNotFoundException in .net application

[Guest]

Hi,

I'm writing a .net windows service that makes use of some C++ Dlls (written
by myself) - actually it calls some functions that are declared as exported
functions in the *.def file.

Now, when I start the service, I receive a DllNotFoundException saying that
my dll was not found - although it's in the same directory! Are there any
pitfalls concerning the use of C++ dlls in windows services?

(by the way: the functions are imported by 'Public Declare Function.... lib
"mydll.dll" etc. in the service).

Any ideas?

Thanks,

Andreas

 

[Gary Chang[MSFT]]

Hi Andreas,

Now, when I start the service, I receive a DllNotFoundException
saying that my dll was not found - although it's in the same directory.

The current directory for a Windows service is the system32 directory by
default. So if you use a relative path to specify your service DLLs, they
should be existed in the system32 directory.

However, if you do not want to install your personal DLLs to the system32
directory, I suggest you use the following .NET method to set your service'
the current directory to the same directory as your windows service:

System.IO.Directory.SetCurrentDirectory(System.AppDomain.CurrentDomain.BaseD
irectory);


Thanks!

Best regards,

Gary Chang
Microsoft Community Support
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