rem: KMMsgInfo::KMMsgInfo(KMFolderIndex* p, off_t off, short len) : KMMsgInfoInherited(p), mStatus(KMMsgStatusUnknown), kd(0) { setIndexOffset(off); setIndexLength(len); setEnableUndo(true); }
add: KMMsgInfo() { mMsg=NULL; mDirty=FALSE; }
context: KMMsgInfo::KMMsgInfo(KMFolderIndex* p, off_t off, short len) :    KMMsgInfoInherited(p), mStatus(KMMsgStatusUnknown),    kd(0){    setIndexOffset(off);    setIndexLength(len);    setEnableUndo(true);}