Variant.VariantType Enum
Definition
Important
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Specifies the type of a variant object as used by a managed package framework (MPF) language service class.
public: enum class Variant::VariantTypeenum Variant::VariantTypepublic enum Variant.VariantTypetype Variant.VariantType = Public Enum Variant.VariantType- Inheritance
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Variant.VariantType
Fields
| Name | Value | Description |
|---|---|---|
| VT_EMPTY | 0 | An empty variant. |
| VT_NULL | 1 | A null value. |
| VT_I2 | 2 | A 2 byte (16-bit) signed integer. |
| VT_I4 | 3 | A 4 byte (32-bit) signed integer. |
| VT_R4 | 4 | A 4 byte real number, also known as a float. |
| VT_R8 | 5 | An 8 byte real number, also known as a double. |
| VT_CY | 6 | A Currency value (fixed decimal point value stored in 64-bits). |
| VT_DATE | 7 | A |
| VT_BSTR | 8 | A string. |
| VT_DISPATCH | 9 | An object that implements the IDispatch interface. |
| VT_ERROR | 10 | An error code (typically returned from a Win32 function). |
| VT_BOOL | 11 | A value representing true (-1) or false (0). |
| VT_VARIANT | 12 | A reference to a variant object. |
| VT_UNKNOWN | 13 | An object implementing the |
| VT_DECIMAL | 14 | A decimal number stored as a string. |
| VT_I1 | 16 | A 1 byte (8-bit) signed integer. |
| VT_UI1 | 17 | A 1 byte (8-bit) unsigned integer. |
| VT_UI2 | 18 | A 2 byte (16-bit) unsigned integer. |
| VT_UI4 | 19 | A 4 byte (32-bit) unsigned integer. |
| VT_I8 | 20 | An 8 byte (64-bit) signed integer. |
| VT_UI8 | 21 | An 8 byte (64-bit) unsigned integer. |
| VT_INT | 22 | A generic integer (typically a 32-bit value). |
| VT_UINT | 23 | A generic unsigned integer (typically 32-bits). |
| VT_VOID | 24 | A C-style |
| VT_HRESULT | 25 | An |
| VT_PTR | 26 | A generic pointer. |
| VT_SAFEARRAY | 27 | An array that is guaranteed to be at least empty (that is, it is never a null value). |
| VT_CARRAY | 28 | A C-style array (an array of pointers). |
| VT_USERDEFINED | 29 | A user-defined blob. |
| VT_LPSTR | 30 | A pointer to a null-terminated ANSI string. |
| VT_LPWSTR | 31 | A pointer to a null-terminated wide character (Unicode) string. |
| VT_FILETIME | 64 | A FILETIME value. |
| VT_BLOB | 65 | An arbitrary block of memory. |
| VT_STREAM | 66 | A stream of bytes. |
| VT_STORAGE | 67 | Name of the storage. |
| VT_STREAMED_OBJECT | 68 | A stream that contains an object. |
| VT_STORED_OBJECT | 69 | A storage object. |
| VT_BLOB_OBJECT | 70 | An arbitrary block of memory representing an object. |
| VT_CF | 71 | A value specifying a clipboard format. |
| VT_CLSID | 72 | A |
| VT_ILLEGALMASKED | 4095 | A bit mask to isolate valid variant types. |
| VT_TYPEMASK | 4095 | A bit mask to isolate valid variant types. |
| VT_VECTOR | 4096 | An array with a leading count value. |
| VT_ARRAY | 8192 | An array of variants. |
| VT_BYREF | 16384 | A reference to an object. |
| VT_RESERVED | 32768 | Reserved for future use. |
| VT_ILLEGAL | 65535 | Represents an illegal variant type. |
Remarks
The values here correspond to a standard variant type but these are used specifically with the Variant structure in an MPF language service. The language service is interested in only one variant type, VT_UI2, which is a 2 byte unsigned integer representing a Unicode character.