System.Security.Permissions.KeyContainerPermission.IsUnrestricted C# (CSharp) Method

		public bool IsUnrestricted () 
		{
			return (_flags == KeyContainerPermissionFlags.AllFlags);
		}

        public override IPermission Union(IPermission target)
        {
            if (target == null)
            {
                return(this.Copy());
            }

            if (!VerifyType(target))
            {
                throw new ArgumentException(Environment.GetResourceString("Argument_WrongType", this.GetType().FullName));
            }

            KeyContainerPermission operand = (KeyContainerPermission)target;

            if (this.IsUnrestricted() || operand.IsUnrestricted())
            {
                return(new KeyContainerPermission(PermissionState.Unrestricted));
            }

            KeyContainerPermissionFlags flags_union = (KeyContainerPermissionFlags)(m_flags | operand.m_flags);
            KeyContainerPermission      cp          = new KeyContainerPermission(flags_union);

            foreach (KeyContainerPermissionAccessEntry accessEntry in AccessEntries)
            {
                cp.AddAccessEntryAndUnion(accessEntry, operand);
            }
            foreach (KeyContainerPermissionAccessEntry accessEntry in operand.AccessEntries)
            {
                cp.AddAccessEntryAndUnion(accessEntry, this);
            }
            return(cp.IsEmpty() ? null : cp);
        }