Appendix
Information on Visual C++ Data Type
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 VARIANT
[T] - may appear in a TYPEDESC
[P] - may appear in an OLE property set
[S] - may appear in a Safe Array
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
*
*
*
*
4 byte real
VT_R8
*
*
*
*
8 byte real
VT_CY
*
*
*
*
currency
VT_DATE
*
*
*
*
date
VT_BSTR
*
*
*
*
OLE Automation
string
VT_DISPATCH
*
*
*
*
IDispatch
VT_ERROR
*
*
*
*
SCODE
3