Appendix
InformationonVisualC++DataType
This section provides information on the data type used with
Visual C
++
.
For more information, refer to the Microsoft Visual C
++
6.0
documentation.
VARENUM usage key,
[V] - may appear in a VA RIANT
[T] - may appear in a TYPEDESC
[P] - may appear in an OLE p roperty set
[S] - may appear in a Saf e A rray
Item [V] [T] [P] [S] Value
VT_EMPTY * * nothing
VT_NUL * * SQL style Null
VT_I2 * * * * 2 byte signed int
VT_I4 * * * * 4 byte signed int
VT_R4 * * * * 4bytereal
VT_R8 * * * * 8bytereal
VT_CY * * * * currency
VT_DATE * * * * date
VT_BSTR * * * * OLE Automation
string
VT_DISPATCH * * * * IDispatch
VT_ERROR * * * * SCODE
3