WDF_READ_REGISTER_ULONG function

[Applies to UMDF only]

The WDF_READ_REGISTER_ULONG function reads a ULONG value from the specified register address.

Syntax


ULONG WDF_READ_REGISTER_ULONG(
  _In_  WDFDEVICE Device,
  _In_  PULONG Register
);

Parameters

Device [in]

A handle to a framework device object.

Register [in]

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

Return value

WDF_READ_REGISTER_ULONG returns the ULONG value that is read from the specified port address.

Requirements

Minimum support

Windows 8.1

Minimum UMDF version

2.0

Header

Wdfhwaccess.h

 

 

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