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WDF_WRITE_PORT_ULONG function (wdfhwaccess.h)

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[Applies to UMDF only]

The WDF_WRITE_PORT_ULONG function writes a ULONG value to the specified port address.

Syntax

void WDF_WRITE_PORT_ULONG(
  [in] WDFDEVICE Device,
  [in] PULONG    Port,
  [in] ULONG     Value
);

Parameters

[in] Device

A handle to a framework device object.

[in] Port

A pointer to the port, which must be a mapped memory range in I/O space.

[in] Value

Specifies a ULONG value to be written to the port.

Return value

None

Requirements

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