ReflectionPermission request failed

[johny_bravo]

Hi,

 

I'm writing an outlook 2003 plugin and encountered a problem.

I'm creating a new AppDomain in order to load an assembly into it. I don't

want to have this .dll loaded in CurrentDomain, so I can replace the file

after unloading additional domain. I'm using addDomain.Load(bytes[]) method

as it leaves the file untouched (that's what I read).

But the assembly is also being loaded to CurrentDomain. So I wanted to add

AssemblyResolve event as I read that returning Assembly from load causes

loading assembly into currentDomain.

 

Then I encoutered this:

Request for the permission of type

'System.Security.Permissions.ReflectionPermission, mscorlib, Version=2.0.0.0,

Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.

At the top of the stack is:

System.Security.CodeAccessSecurityEngine.ThrowSecurityException(Assembly asm,

PermissionSet granted, PermissionSet refused, RuntimeMethodHandle rmh,

SecurityAction action, ObjectDemand, IPermission permThatFailed).

 

As far as I understood some restrictions are missing - but I'm confused what

requires them, what kind and how to grant them.

 

If I can do it another way I'd love it :D if it works. Basically I want to

be able to replace the .dll file when outlook is running - I've got plugin

loading the main plugin logic from this .dll (assembly). I noticed that I can

load file as bytes, than load bytes as assembly and then the file is

untouched (say it's on c:\). But outlook also requires the same file to be in

the folder where outlook.exe resides and loads it when I load the 'c:\' one.

I want to use just one (no matter where it is supposed to be, by preferably a

dynamic location) - and in case of these two, they must be the same as then

there comes a version conflict.

 

This is what I use:

 

public static AppDomain Load(String iDllName, String iPath)

{

ApplicationDomain = AppDomain.CreateDomain("Domain",

AppDomain.CurrentDomain.Evidence);

ApplicationDomain.AssemblyResolve += new ResolveEventHandler(MyResolver);

return ApplicationDomain;

}

 

static Assembly MyResolver(object sender, ResolveEventArgs args)

{

AppDomain domain = (AppDomain) sender;

 

byte[] rawAssembly = loadFile(@"c:\Synchronizer.dll");

return domain.Load(rawAssembly);

}

 

static byte[] loadFile(string filename)

{

FileStream fs = new FileStream(filename, FileMode.Open);

byte[] buffer = new byte[(int) fs.Length];

fs.Read(buffer, 0, buffer.Length);

fs.Close();

 

return buffer;

}

 

I would be really, really greatful for any ideas as I spent 4 days on this

problem, and last 15 hours on this particular solution...

 

Kind regards,

johny

[johny_bravo]

I found another way of doing it, so no need to worries :D