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HID_DEVICE_EXTENSION structure (hidport.h)

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The HID_DEVICE_EXTENSION structure is used by a HID minidriver as its layout for the device extension of a HIDClass device's functional device object.

Syntax

typedef struct _HID_DEVICE_EXTENSION {
  PDEVICE_OBJECT PhysicalDeviceObject;
  PDEVICE_OBJECT NextDeviceObject;
  PVOID          MiniDeviceExtension;
} HID_DEVICE_EXTENSION, *PHID_DEVICE_EXTENSION;

Members

PhysicalDeviceObject

Pointer to HID device's physical device object.

NextDeviceObject

Pointer to the device object immediately below the functional device object in the HID device's device stack.

MiniDeviceExtension

Pointer to the minidriver-specific portion of the device extension.

Requirements

Requirement Value
Header hidport.h (include Hidport.h)

See also

HidRegisterMinidriver