WDF_READ_REGISTER_BUFFER_ULONG64 function (wdfhwaccess.h)

[Applies to UMDF only]

The WDF_READ_REGISTER_BUFFER_ULONG64 function reads a number of ULONG64 values from the specified register address into a buffer.

Syntax

void WDF_READ_REGISTER_BUFFER_ULONG64(
  [in]  WDFDEVICE Device,
  [in]  PULONG64  Register,
  [out] PULONG64  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.

[out] Buffer

A pointer to a buffer into which an array of ULONG64 values is read.

[in] Count

Specifies the number of ULONG64 values to be read into the buffer.

Return value

None

Requirements

Requirement Value
Minimum supported client Windows 8.1
Target Platform Universal
Minimum UMDF version 2.0
Header wdfhwaccess.h