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ULongPtrToLong function (intsafe.h)

  • Άρθρο

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

Syntax

HRESULT ULongPtrToLong(
  [in]  ULONG_PTR ulOperand,
  [out] LONG      *plResult
);

Parameters

[in] ulOperand

Type: ULONG_PTR

The value to be converted.

[out] plResult

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.

SIZETToLong is an alias for this function.

DWordPtrToLong is an alias for this function.

Requirements

Requirement Value
Target Platform Windows
Header intsafe.h