| [Overview][Constants][Types][Classes][Procedures and functions][Variables] | Reference for unit 'System' (#rtl) |
Variant record.
Source position: varianth.inc line 78
type tvardata = packed record |
||
vtype: tvartype; |
|
Type of variant. |
case Integer of |
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0: ( |
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res1: Word; |
|
Reserved byte |
case Integer of |
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0: ( |
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res2: Word; |
|
Reserved byte |
res3: Word; |
|
Reserved byte |
case Word of |
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varsmallint: ( |
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vsmallint: SmallInt; |
|
Smallint value |
); |
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varinteger: ( |
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vinteger: LongInt; |
|
Integer value |
); |
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varsingle: ( |
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vsingle: single; |
|
Single value |
); |
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vardouble: ( |
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vdouble: double; |
|
Double value |
); |
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varcurrency: ( |
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vcurrency: currency; |
|
Currency value |
); |
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vardate: ( |
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vdate: TDateTime; |
|
TDateTime value |
); |
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varolestr: ( |
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volestr: PWideChar; |
|
OLE string value (specially allocated widestring) |
); |
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vardispatch: ( |
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vdispatch: pointer; |
|
Dispatch interface value |
); |
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varerror: ( |
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verror: HRESULT; |
|
Error value |
); |
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varboolean: ( |
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vboolean: wordbool; |
|
Boolean value |
); |
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varunknown: ( |
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vunknown: pointer; |
|
IUnknown interface value |
); |
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varshortint: ( |
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vshortint: ShortInt; |
|
Shortint value |
); |
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varbyte: ( |
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vbyte: Byte; |
|
Byte value |
); |
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varword: ( |
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vword: Word; |
|
Word value |
); |
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varlongword: ( |
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vlongword: DWord; |
|
Longword value |
); |
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varint64: ( |
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vint64: Int64; |
|
Int64 value |
); |
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varqword: ( |
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vqword: qword; |
|
QWord value |
); |
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varword64: ( |
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vword64: qword; |
|
QWord value (?) |
); |
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varstring: ( |
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vstring: pointer; |
|
Ansistring value |
); |
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varany: ( |
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vany: pointer; |
|
Any valyue |
); |
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vararray: ( |
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varray: pvararray; |
|
Variant array value |
); |
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varbyref: ( |
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vpointer: pointer; |
|
Pointer value |
); |
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); |
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1: ( |
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vlongs: array [0..2] of LongInt; |
|
Value as an array of longints |
); |
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); |
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1: ( |
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vwords: array [0..6] of Word; |
|
Value as an array of words |
); |
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2: ( |
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vbytes: array [0..13] of Byte; |
|
Value as an array of bytes |
); |
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end; |
TVarData is a record representation of a variant. It contains the internal structure of a variant and is handled by the various variant handling routines.
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