Details comparison criteria structure.
typedef struct _CRITERIA { PVOID pReserved; /* Reserved. Set to NULL. */ struct _CRITERIA *pNext; /* Pointer to the next criteria record. */ struct _CRITERIA *pPrev; /* Pointer to the previous criteria record. */ ULONG ClassFieldInfoIndex; /* Index of the detaild field. */ ULONG LogicalOperator; /* CRITERIA_AND or CRITERIA_OR */ ULONG ComparisonType; /* The comparison type. */ ULONG ulLenCompareValue; /* Sizeof(ComparisonData). */ CHAR CompareValue[1]; /* Value to be compared with. */ } CRITERIA; typedef CRITERIA * PCRITERIA ;