TVarRec: what changed
Revision 0 to 1. Removed lines have a minus sign; added lines have a plus sign.
Title: TVarRec
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|---|---|---|---|
| 1 | + | Back to [[Data type|data types]]. | |
| 2 | + | ||
| 3 | + | A **TVarRec** is a [[variant record]] used with the [[Const|array of const]] parameter declaration. The VType member is checked by the user to determine which data type is stored in the record. | |
| 4 | + | ||
| 5 | + | ``` pascal | |
| 6 | + | TVarRec = record | |
| 7 | + | case VType : sizeint of | |
| 8 | + | {$ifdef ENDIAN_BIG} | |
| 9 | + | vtInteger : ({$IFDEF CPU64}integerdummy1 : Longint;{$ENDIF CPU64}VInteger: Longint); | |
| 10 | + | vtBoolean : ({$IFDEF CPU64}booldummy : Longint;{$ENDIF CPU64}booldummy1,booldummy2,booldummy3: byte; VBoolean: Boolean); | |
| 11 | + | vtChar : ({$IFDEF CPU64}chardummy : Longint;{$ENDIF CPU64}chardummy1,chardummy2,chardummy3: byte; VChar: Char); | |
| 12 | + | vtWideChar : ({$IFDEF CPU64}widechardummy : Longint;{$ENDIF CPU64}wchardummy1,VWideChar: WideChar); | |
| 13 | + | {$else ENDIAN_BIG} | |
| 14 | + | vtInteger : (VInteger: Longint); | |
| 15 | + | vtBoolean : (VBoolean: Boolean); | |
| 16 | + | vtChar : (VChar: Char); | |
| 17 | + | vtWideChar : (VWideChar: WideChar); | |
| 18 | + | {$endif ENDIAN_BIG} | |
| 19 | + | {$ifndef FPUNONE} | |
| 20 | + | vtExtended : (VExtended: PExtended); | |
| 21 | + | {$endif} | |
| 22 | + | vtString : (VString: PShortString); | |
| 23 | + | vtPointer : (VPointer: Pointer); | |
| 24 | + | vtPChar : (VPChar: PAnsiChar); | |
| 25 | + | vtObject : (VObject: TObject); | |
| 26 | + | vtClass : (VClass: TClass); | |
| 27 | + | vtPWideChar : (VPWideChar: PWideChar); | |
| 28 | + | vtAnsiString : (VAnsiString: Pointer); | |
| 29 | + | vtCurrency : (VCurrency: PCurrency); | |
| 30 | + | vtVariant : (VVariant: PVariant); | |
| 31 | + | vtInterface : (VInterface: Pointer); | |
| 32 | + | vtWideString : (VWideString: Pointer); | |
| 33 | + | vtInt64 : (VInt64: PInt64); | |
| 34 | + | vtUnicodeString : (VUnicodeString: Pointer); | |
| 35 | + | vtQWord : (VQWord: PQWord); | |
| 36 | + | end; | |
| 37 | + | ``` | |
| 38 | + | ||
| 39 | + | --- | |
| 40 | + | *From the Free Pascal wiki, page "TVarRec", as it stood on 2020-03-02 after a change by Trev, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's [[Licensing]] page. If you have concerns about this material, [message the admin](/wiki-contact).* |