FileIOPermission problem

Hello,

I am working on a C# console app.
When I do this:

DirectoryInfo di = new DirectoryInfo(".");

I get an exception:
Request for the permission of type
'System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.0.0,
Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.

I added this before the DirectoryInfo creation:

FileIOPermission f = new FileIOPermission(PermissionState.None);
f.AllLocalFiles = FileIOPermissionAccess.Read;

but the error still occurs.

My app needs to read certain files in the current dir, and then create new
files. How does the app get the permissions to do those things?

Thanks for any insight...


.

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