Security exception when calling managed dll that calls unmanaged COM object

From: Caleb Cha (anonymous_at_discussions.microsoft.com)
Date: 01/29/04 

Date: Thu, 29 Jan 2004 14:51:11 -0800

I have a bit of an odd scenario.
I have a c# exe that is dynamically loading a C# class library on startup. The class library references a COM object written in unmanaged c++.
>From whe exe when I call a function in the c# class library and it in turn calls a function in the COM object I get a security exception.
"An unhandled exception of type 'System.Security.SecurityException' occurred in mscorlib.dll
Additional information: System.Security.Permissions.SecurityPermission"

I tried doing a [assembly:AllowPartiallyTrustedCallersAttribute] in the my c# class library but it didn't help.

Thank in advance for any help
Caleb

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