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MOUSE_ATTRIBUTES structure (ntddmou.h)

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MOUSE_ATTRIBUTES specifies the attributes of a mouse device.

Syntax

typedef struct _MOUSE_ATTRIBUTES {
  USHORT MouseIdentifier;
  USHORT NumberOfButtons;
  USHORT SampleRate;
  ULONG  InputDataQueueLength;
} MOUSE_ATTRIBUTES, *PMOUSE_ATTRIBUTES;

Members

MouseIdentifier

Specifies one of the following types of mouse devices.

Mouse type Meaning
BALLPOINT_I8042_HARDWARE i8042 port ballpoint mouse
BALLPOINT_SERIAL_HARDWARE Serial port ballpoint mouse
MOUSE_HID_HARDWARE HIDClass mouse
MOUSE_I8042_HARDWARE i8042 port mouse
MOUSE_INPORT_HARDWARE Inport (bus) mouse
MOUSE_SERIAL_HARDWARE Serial port mouse
WHEELMOUSE_HID_HARDWARE HIDClass wheel mouse
WHEELMOUSE_I8042_HARDWARE i8042 port wheel mouse
WHEELMOUSE_SERIAL_HARDWARE Serial port wheel mouse

NumberOfButtons

Specifies the number of buttons supported by a mouse. A mouse can have from two to five buttons. The default value is MOUSE_NUMBER_OF_BUTTONS.

SampleRate

Specifies the rate, in reports per second, at which input from a PS/2 mouse is sampled. The default value is MOUSE_SAMPLE_RATE. This value is not used for USB devices.

InputDataQueueLength

Specifies the size, in bytes, of the input data queue used by the port driver for a mouse device.

Remarks

This structure is used with an IOCTL_MOUSE_QUERY_ATTRIBUTES request to obtain the attributes of a mouse.

Requirements

Requirement Value
Header ntddmou.h (include Ntddmou.h)

See also

IOCTL_MOUSE_QUERY_ATTRIBUTES