permview [options] assembly

-output filename

Output all declarative security attributes related informations into the specified file.

-decl | --decl | /DECL

Show declarative security attributes on classes and methods. The default, without the -decl option, is to show only the assembly level permission sets.

-? | /? | -h[elp] | /h[elp]

Display help informations about the permview tool.

permview mscorlib.dll

This will show the minimum, optional and refused permissions sets (i.e. the assembly level security actions) that are compiled inside the mscorlib assembly.

permview -decl permview.exe

This will show all (assembly, class or method level) declarative security attributes present in the permview.exe assembly.