WDF_WRITE_REGISTER_BUFFER_ULONG function (wdfhwaccess.h)

[Applies to UMDF only]

The WDF_WRITE_REGISTER_BUFFER_ULONG function writes a number of ULONG values from a buffer to the specified register.

Syntax

void WDF_WRITE_REGISTER_BUFFER_ULONG(
  [in] WDFDEVICE Device,
  [in] PULONG    Register,
  [in] PULONG    Buffer,
  [in] ULONG     Count
);

Parameters

[in] Device

A handle to a framework device object.

[in] Register

A pointer to the register, which must be a mapped range in memory space.

[in] Buffer

A pointer to a buffer from which an array of ULONG values is to be written.

[in] Count

Specifies the number of ULONG values to write to the register.

Return value

None

Remarks

The size of the buffer must be large enough to contain at least the specified number of bytes.

Requirements