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ULongToLong function

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

Syntax

C++


HRESULT ULongToLong(
  _In_   ULONG ulOperand,
  _Out_  LONG *plResult
);

Parameters

ulOperand [in]

Type: ULONG

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

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