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billson
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我在DELPHI的帮助中看到以下说明：
Pointer type Points to variables of type
PAnsiString, PString AnsiString
PByteArray TByteArray (declared in SysUtils). Used to typecast dynamically allocated memory for array access.
PCurrency, PDouble, PExtended, PSingle Currency, Double, Extended, Single
PInteger Integer
POleVariant OleVariant
PShortString ShortString. Useful when porting legacy code that uses the old PString type.
PTextBuf TTextBuf (declared in SysUtils). TTextBuf is the internal buffer type in a TTextRec file record.)
PVarRec TVarRec (declared in System)
PVariant Variant
PWideString WideString
PWordArray TWordArray (declared in SysUtils). Used to typecast dynamically allocated memory for arrays of 2-byte values.
Pointer type Points to variables of type
PAnsiString, PString AnsiString
PByteArray TByteArray (declared in SysUtils). Used to typecast dynamically allocated memory for array access.
PCurrency, PDouble, PExtended, PSingle Currency, Double, Extended, Single
PInteger Integer
POleVariant OleVariant
PShortString ShortString. Useful when porting legacy code that uses the old PString type.
PTextBuf TTextBuf (declared in SysUtils). TTextBuf is the internal buffer type in a TTextRec file record.)
PVarRec TVarRec (declared in System)
PVariant Variant
PWideString WideString
PWordArray TWordArray (declared in SysUtils). Used to typecast dynamically allocated memory for arrays of 2-byte values.