symbian得到收件箱中未读短信的数目
先通过KMsvGlobalInBoxIndexEntr
CMsvEntrySelection* entries = entry->ChildrenL();
CleanupStack::PushL(entries);
TInt unreadCount;
for(TInt i=0;i<entries->Count();i++)
{
entry->SetEntryL(entries->At(i));
TMsvEntry msvEntry(entry->Entry());
if( msvEntry.Unread()) unreadCount++;
}
CleanupStack::PopAndDestroy(2);