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WRITE_REGISTER_ULONG function (ioaccess.h)

  • Article

The WRITE_REGISTER_ULONG routine writes a ULONG value to the specified address.

Syntax

VOID WRITE_REGISTER_ULONG(
  _In_ PULONG Register,
  _In_ ULONG  Value
);

Parameters

[in] Register

Pointer to the register which must be a mapped range in memory space.

[in] Value

Specifies a ULONG value to be written to the register.

Return value

None

Remarks

Callers of WRITE_REGISTER_ULONG can be running at any IRQL, assuming the Register is resident, mapped device memory.

Requirements

Requirement Value
Minimum supported client Available starting with Windows 2000.
Target Platform Universal
Header ioaccess.h (include Wdm.h, Ntddk.h, Ntifs.h, Ioaccess.h, Miniport.h, Wudfwdm.h)
Library NtosKrnl.lib
DLL NtosKrnl.exe
IRQL Any level (see Remarks section)