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SetQWORDValue method of the StdRegProv class

The SetQWORDValue method sets the data value for a named value whose data type is REG_QWORD.

This topic uses Managed Object Format (MOF) syntax. For more information about using this method, see Calling a Method.

Syntax

uint32 SetQWORDValue(
  [in] uint32 hDefKey = HKEY_LOCAL_MACHINE,
  [in] string sSubKeyName,
  [in] string sValueName,
  [in] uint64 uValue = 
);

Parameters

hDefKey [in]

An optional parameter that specifies the tree that contains the sSubKeyName path. The default value is HKEY_LOCAL_MACHINE.

The following trees are defined in WinReg.h.

HKEY_CLASSES_ROOT (2147483648)

HKEY_CURRENT_USER (2147483649)

HKEY_LOCAL_MACHINE (2147483650)

HKEY_USERS (2147483651)

HKEY_CURRENT_CONFIG (2147483653)

sSubKeyName [in]

A path that contains the named values.

sValueName [in]

A named value whose data value you are retrieving. Specify an empty string to get the default named value.

uValue [in]

A QWORD data value for the named value. The default value is "3".

Return value

In C++, the method returns a uint32 value that is 0 (zero) if successful. If the function fails, the return value is a nonzero error code that is defined in WinError.h. In C++, use the FormatMessage function with the FORMAT_MESSAGE_FROM_SYSTEM flag to get a generic description of the error. You can also look up return values under the WMI Error Constants.

In scripting or Visual Basic, the method returns an integer value that is 0 (zero) if successful. If the function fails, the return value is a nonzero error code that you can look up in WbemErrorEnum.

Requirements

Minimum supported client
Windows Vista
Minimum supported server
Windows Server 2008
Namespace
Root\default
MOF
RegEvent.mof
DLL
Stdprov.dll

See also

StdRegProv

Modifying the System Registry

WMI Tasks: Registry