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LongPtrToULong function (intsafe.h)

  • Article

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

Syntax

HRESULT LongPtrToULong(
  [in]  LONG_PTR lOperand,
  [out] ULONG    *pulResult
);

Parameters

[in] lOperand

Type: LONG_PTR

The value to be converted.

[out] pulResult

Type: ULONG*

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.

SSIZETToULong is an alias for this function.

SSIZETToUIntPtr is an alias for this function.

SSIZETToDWord is an alias for this function.

LongPtrToDWord is an alias for this function.

Requirements

Requirement Value
Target Platform Windows
Header intsafe.h