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DWordPtrToLong function

  • Cikk

Converts a value of type DWORD_PTR to a value of type LONG.

Syntax

c++ 
HRESULT DWordPtrToLong(
  _In_  DWORD_PTR dwOperand,
  _Out_ LONG      *plResult
);

Parameters

  • dwOperand [in]
    Type: DWORD_PTR

    The value to be converted.

  • plResult [out]
    Type: LONG*

    A pointer to the converted value. In the case where the conversion causes a truncation of the original value, the function returns INTSAFE_E_ARITHMETIC_OVERFLOW and this parameter is not valid.

Return value

Type: HRESULT

If this function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

This is one of a set of inline functions designed to provide type conversions and perform validity checks with minimal impact on performance.

Requirements

Header

 Intsafe.h

DLL

 None