VARENUM enumeration (ks.h)
Specifies the variant types.
Syntax
typedef enum VARENUM {
VT_EMPTY,
VT_NULL,
VT_I2,
VT_I4,
VT_R4,
VT_R8,
VT_CY,
VT_DATE,
VT_BSTR,
VT_DISPATCH,
VT_ERROR,
VT_BOOL,
VT_VARIANT,
VT_UNKNOWN,
VT_DECIMAL,
VT_I1,
VT_UI1,
VT_UI2,
VT_UI4,
VT_I8,
VT_UI8,
VT_INT,
VT_UINT,
VT_VOID,
VT_HRESULT,
VT_PTR,
VT_SAFEARRAY,
VT_CARRAY,
VT_USERDEFINED,
VT_LPSTR,
VT_LPWSTR,
VT_FILETIME,
VT_BLOB,
VT_STREAM,
VT_STORAGE,
VT_STREAMED_OBJECT,
VT_STORED_OBJECT,
VT_BLOB_OBJECT,
VT_CF,
VT_CLSID,
VT_VECTOR,
VT_ARRAY,
VT_BYREF,
VT_RESERVED,
VT_ILLEGAL,
VT_ILLEGALMASKED,
VT_TYPEMASK
} ;
Constants
VT_EMPTY Not specified. |
VT_NULL Null. |
VT_I2 A 2-byte integer. |
VT_I4 A 4-byte integer. |
VT_R4 A 4-byte real. |
VT_R8 An 8-byte real. |
VT_CY Currency. |
VT_DATE A date. |
VT_BSTR A string. |
VT_DISPATCH An IDispatch pointer. |
VT_ERROR An SCODE value. |
VT_BOOL A Boolean value. True is -1 and false is 0. |
VT_VARIANT A variant pointer. |
VT_UNKNOWN An IUnknown pointer. |
VT_DECIMAL A 16-byte fixed-pointer value. |
VT_I1 A character. |
VT_UI1 An unsigned character. |
VT_UI2 An unsigned short. |
VT_UI4 An unsigned long. |
VT_I8 A 64-bit integer. |
VT_UI8 A 64-bit unsigned integer. |
VT_INT An integer. |
VT_UINT An unsigned integer. |
VT_VOID A C-style void. |
VT_HRESULT An HRESULT value. |
VT_PTR A pointer type. |
VT_SAFEARRAY A safe array. Use VT_ARRAY in VARIANT. |
VT_CARRAY A C-style array. |
VT_USERDEFINED A user-defined type. |
VT_LPSTR A null-terminated string. |
VT_LPWSTR A wide null-terminated string. |
VT_FILETIME A FILETIME value. |
VT_BLOB Length-prefixed bytes. |
VT_STREAM The name of the stream follows. |
VT_STORAGE The name of the storage follows. |
VT_STREAMED_OBJECT The stream contains an object. |
VT_STORED_OBJECT The storage contains an object. |
VT_BLOB_OBJECT The blob contains an object. |
VT_CF A clipboard format. |
VT_CLSID A class ID. |
VT_VECTOR A simple counted array. |
VT_ARRAY A SAFEARRAY pointer. |
VT_BYREF A void pointer for local use. |
VT_RESERVED Reserved. |
VT_ILLEGAL An illegal value. |
VT_ILLEGALMASKED An illegal masked value. |
VT_TYPEMASK A type mask. |
Remarks
The following table shows where these values can be used.
Value | VARIANT | TYPEDESC | Property set | Safe array |
---|---|---|---|---|
VT_ARRAY | X | |||
VT_BLOB | X | |||
VT_BLOB_OBJECT | X | |||
VT_BOOL | X | X | X | X |
VT_BSTR | X | X | X | X |
VT_BYREF | X | |||
VT_CARRAY | X | |||
VT_CF | X | |||
VT_CLSID | X | |||
VT_CY | X | X | X | X |
VT_DATE | X | X | X | X |
VT_DECIMAL | X | X | X | |
VT_DISPATCH | X | X | X | |
VT_EMPTY | X | X | ||
VT_ERROR | X | X | X | X |
VT_FILETIME | X | |||
VT_HRESULT | X | |||
VT_I1 | X | X | X | X |
VT_I2 | X | X | X | X |
VT_I4 | X | X | X | X |
VT_I8 | X | X | ||
VT_ILLEGAL | X | |||
VT_INT | X | X | X | X |
VT_LPSTR | X | X | ||
VT_LPWSTR | X | X | ||
VT_NULL | X | X | ||
VT_PTR | X | |||
VT_R4 | X | X | X | X |
VT_R8 | X | X | X | X |
VT_SAFEARRAY | X | |||
VT_STORAGE | X | |||
VT_STORED_OBJECT | X | |||
VT_STREAM | X | |||
VT_STREAMED_OBJECT | X | |||
VT_UI1 | X | X | X | X |
VT_UI2 | X | X | X | X |
VT_UI4 | X | X | X | X |
VT_UI8 | X | X | ||
VT_UINT | X | X | X | |
VT_UNKNOWN | X | X | X | |
VT_USERDEFINED | X | |||
VT_VARIANT | X | X | X | X |
VT_VECTOR | X | |||
VT_VOID | X |
Requirements
Requirement | Value |
---|---|
Header | ks.h |