public override IPermission Union(IPermission target)
{
if (target == null)
{
return this.Copy();
}
else if (!VerifyType(target))
{
throw new
ArgumentException(
String.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("Argument_WrongType"), this.GetType().FullName)
);
}
IsolatedStorageFilePermission operand = (IsolatedStorageFilePermission)target;
if (this.IsUnrestricted() || operand.IsUnrestricted())
{
return new IsolatedStorageFilePermission( PermissionState.Unrestricted );
}
else
{
IsolatedStorageFilePermission union;
union = new IsolatedStorageFilePermission( PermissionState.None );
union.m_userQuota = max(m_userQuota,operand.m_userQuota);
union.m_machineQuota = max(m_machineQuota,operand.m_machineQuota);
union.m_expirationDays = max(m_expirationDays,operand.m_expirationDays);
union.m_permanentData = m_permanentData || operand.m_permanentData;
union.m_allowed = (IsolatedStorageContainment)max((long)m_allowed,(long)operand.m_allowed);
return union;
}
}