// IsSubsetOf determines whether the current permission is a subset of the specified permission.
private bool IsSubsetOfDemo()
{

    bool returnValue = true;

    StrongNameIdentityPermission snIdPerm1, snIdPerm2;

    snIdPerm1 = new StrongNameIdentityPermission(blob, "MyCompany.MyDepartment.*", new Version("1.0.0.0"));
    snIdPerm2 = new StrongNameIdentityPermission(blob, "MyCompany.MyDepartment.MyFile", new Version("1.0.0.0"));

    if (snIdPerm1.IsSubsetOf(snIdPerm2))
    {

        Console.WriteLine("MyCompany.MyDepartment.* is a subset " +
        "of MyCompany.MyDepartment.MyFile \n");
    }
    else
    {
        Console.WriteLine("MyCompany.MyDepartment.*" +
        " is not a subset of MyCompany.MyDepartment.MyFile \n");
    }

    return returnValue;
}