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4/8/2010

This enumeration is used in VARIANT, TYPEDESC, OLE property sets, and safe arrays.

The enumeration constants listed in the following VARENUMsection are valid in the vtmember of a VARIANTstructure.

Syntax 

typedef unsigned short VARTYPE;
enum VARENUM {
  VT_EMPTY = 0, 
  VT_NULL = 1, 
  VT_I2 = 2, 
  VT_I4 = 3, 
  VT_R4 = 4, 
  VT_R8 = 5, 
  VT_CY = 6, 
  VT_DATE = 7, 
  VT_BSTR = 8, 
  VT_DISPATCH = 9, 
  VT_ERROR = 10, 
  VT_BOOL = 11, 
  VT_VARIANT = 12, 
  VT_UNKNOWN = 13, 
  VT_UI1 = 17, 
};
VT_RESERVED = 0x8000
VT_BYREF = 0x4000
VT_ARRAY = 0x2000

Elements

VT_EMPTY

Variable type is not specified.

VT_NULL

Variable type is NULL.

VT_I2

Variable type is 2-byte signed INT.

VT_I4

Variable type is 4-byte signed INT.

VT_R4

Variable type is 4-byte real.

VT_R8

Variable type is 8-byte real.

VT_CY

Variable type is currency.

VT_DATE

Variable type is date.

VT_BSTR

Variable type is binary string.

VT_DISPATCH

Variable type is IDispatchFAR*.

VT_ERROR

Variable type is SCODE.

VT_BOOL

Variable type is Boolean; True=-1, False=0.

VT_VARIANT

Variable type is VARIANTFAR*.

VT_UNKNOWN

Variable type is IUnknownFAR*.

VT_UI1

Variable type is unsigned char.

VT_RESERVED

This element is reserved.

VT_BYREF

Variable type is a pointer to data.

VT_ARRAY

Variable type is a safe array.

Requirements

Header oaidl.h
Windows Embedded CE Windows CE 2.0 and later
Windows Mobile Windows Mobile Version 5.0 and later

See Also