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nf-intsafe-ulongtouchar.md

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UID title description helpviewer_keywords old-location tech.root ms.assetid ms.date ms.keywords req.header req.include-header req.target-type req.target-min-winverclnt req.target-min-winversvr req.kmdf-ver req.umdf-ver req.ddi-compliance req.unicode-ansi req.idl req.max-support req.namespace req.assembly req.type-library req.lib req.dll req.irql targetos req.typenames req.redist ms.custom f1_keywords dev_langs topic_type api_type api_location api_name
NF:intsafe.ULongToUChar
ULongToUChar function (intsafe.h)
Converts a value of type ULONG to a value of type UCHAR.
DWordToUChar
ULongToUChar
ULongToUChar function [Windows Shell]
_shell_ULongToUChar
intsafe/ULongToUChar
shell.ULongToUChar
shell\ULongToUChar.htm
shell
459c616d-8551-4112-850f-ddd4743fc2a6
12/05/2018
DWordToUChar, ULongToUChar, ULongToUChar function [Windows Shell], _shell_ULongToUChar, intsafe/ULongToUChar, shell.ULongToUChar
intsafe.h
Windows
Windows
19H1
ULongToUChar
intsafe/ULongToUChar
c++
APIRef
kbSyntax
HeaderDef
Intsafe.h
ULongToUChar

ULongToUChar function

-description

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

-parameters

-param ulOperand [in]

Type: ULONG

The value to be converted.

-param pch [out]

Type: UCHAR*

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.

-returns

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.

DWordToUChar is an alias for this function.