System.TPtrWrapper

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Delphi

TPtrWrapper = record

C++

struct DECLSPEC_DRECORD TPtrWrapper
{
private:
    Byte *Value;
    static TPtrWrapper __fastcall GetNilValue();
public:
    __fastcall TPtrWrapper(NativeInt AValue)/* overload */;
    __fastcall TPtrWrapper(void * AValue)/* overload */;
    void * __fastcall ToPointer();
    NativeInt __fastcall ToInteger();
    /* static */ __property TPtrWrapper NilValue = {read=GetNilValue};
#ifndef _WIN64
    static bool __fastcall _op_Equality(TPtrWrapper Left, TPtrWrapper Right);
    static bool __fastcall _op_Inequality(TPtrWrapper Left, TPtrWrapper Right);
#else /* _WIN64 */
    static bool __fastcall _op_Equality(const TPtrWrapper &Left, const TPtrWrapper &Right);
    static bool __fastcall _op_Inequality(const TPtrWrapper &Left, const TPtrWrapper &Right);
#endif /* _WIN64 */
    TPtrWrapper() {}
#ifndef _WIN64
    friend bool operator ==(TPtrWrapper Left, TPtrWrapper Right) { return TPtrWrapper::_op_Equality(Left, Right); }
    friend bool operator !=(TPtrWrapper Left, TPtrWrapper Right) { return TPtrWrapper::_op_Inequality(Left, Right); }
#else /* _WIN64 */
    friend bool operator ==(const TPtrWrapper &Left, const TPtrWrapper &Right) { return TPtrWrapper::_op_Equality(Left, Right); }
    friend bool operator !=(const TPtrWrapper &Left, const TPtrWrapper &Right) { return TPtrWrapper::_op_Inequality(Left, Right); }
#endif /* _WIN64 */
};

Properties

Type Visibility Source Unit Parent
record
struct
public
System.pas
System.hpp
System System

Description

TPtrWrapper is a pointer-sized value representing a pointer.

TPtrWrapper has the same size as a pointer. It is designed so that it can be used where a pointer would appear in an API declaration, avoiding casting back and forth.

This wrapped pointer is used in the process of marshalling, applied by the low-level TMarshal, and the high-level TMarshaller APIs.

See Also