internal static fMailboxProperties Differences(cListFlags pOld, cListFlags pNew)
{
if (pNew == null)
{
throw new ArgumentNullException(nameof(pNew));
}
if (pOld == null)
{
return(0);
}
if (pOld.Flags == pNew.Flags)
{
return(0);
}
fMailboxProperties lProperties = 0;
lProperties |= ZPropertyIfDifferent(pOld, pNew, fListFlags.noinferiors, fMailboxProperties.canhavechildren);
lProperties |= ZPropertyIfDifferent(pOld, pNew, fListFlags.noselect, fMailboxProperties.canselect);
lProperties |= ZPropertyIfDifferent(pOld, pNew, fListFlags.marked | fListFlags.unmarked, fMailboxProperties.ismarked);
lProperties |= ZPropertyIfDifferent(pOld, pNew, fListFlags.nonexistent, fMailboxProperties.exists);
lProperties |= ZPropertyIfDifferent(pOld, pNew, fListFlags.remote, fMailboxProperties.isremote);
lProperties |= ZPropertyIfDifferent(pOld, pNew, fListFlags.haschildren | fListFlags.hasnochildren, fMailboxProperties.haschildren);
lProperties |= ZPropertyIfDifferent(pOld, pNew, fListFlags.all, fMailboxProperties.containsall);
lProperties |= ZPropertyIfDifferent(pOld, pNew, fListFlags.archive, fMailboxProperties.isarchive);
lProperties |= ZPropertyIfDifferent(pOld, pNew, fListFlags.drafts, fMailboxProperties.containsdrafts);
lProperties |= ZPropertyIfDifferent(pOld, pNew, fListFlags.flagged, fMailboxProperties.containsflagged);
lProperties |= ZPropertyIfDifferent(pOld, pNew, fListFlags.junk, fMailboxProperties.containsjunk);
lProperties |= ZPropertyIfDifferent(pOld, pNew, fListFlags.sent, fMailboxProperties.containssent);
lProperties |= ZPropertyIfDifferent(pOld, pNew, fListFlags.trash, fMailboxProperties.containstrash);
return(lProperties);
}
private static fMailboxProperties ZPropertyIfDifferent(cListFlags pA, cListFlags pB, fListFlags pFlags, fMailboxProperties pProperty)
{
if ((pA.Flags & pFlags) == (pB.Flags & pFlags))
{
return(0);
}
return(pProperty);
}
