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RAWMOUSE structure

Contains information about the state of the mouse.

Syntax


typedef struct tagRAWMOUSE {
  USHORT usFlags;
  union {
    ULONG  ulButtons;
    struct {
      USHORT usButtonFlags;
      USHORT usButtonData;
    };
  };
  ULONG  ulRawButtons;
  LONG   lLastX;
  LONG   lLastY;
  ULONG  ulExtraInformation;
} RAWMOUSE, *PRAWMOUSE, *LPRAWMOUSE;

Members

usFlags

Type: USHORT

The mouse state. This member can be any reasonable combination of the following.

ValueMeaning
MOUSE_ATTRIBUTES_CHANGED
0x04

Mouse attributes changed; application needs to query the mouse attributes.

MOUSE_MOVE_RELATIVE
0

Mouse movement data is relative to the last mouse position.

MOUSE_MOVE_ABSOLUTE
1

Mouse movement data is based on absolute position.

MOUSE_VIRTUAL_DESKTOP
0x02

Mouse coordinates are mapped to the virtual desktop (for a multiple monitor system).

 

ulButtons

Type: ULONG

Reserved.

usButtonFlags

Type: USHORT

The transition state of the mouse buttons. This member can be one or more of the following values.

ValueMeaning
RI_MOUSE_LEFT_BUTTON_DOWN
0x0001

Left button changed to down.

RI_MOUSE_LEFT_BUTTON_UP
0x0002

Left button changed to up.

RI_MOUSE_MIDDLE_BUTTON_DOWN
0x0010

Middle button changed to down.

RI_MOUSE_MIDDLE_BUTTON_UP
0x0020

Middle button changed to up.

RI_MOUSE_RIGHT_BUTTON_DOWN
0x0004

Right button changed to down.

RI_MOUSE_RIGHT_BUTTON_UP
0x0008

Right button changed to up.

RI_MOUSE_BUTTON_1_DOWN
0x0001

RI_MOUSE_LEFT_BUTTON_DOWN

RI_MOUSE_BUTTON_1_UP
0x0002

RI_MOUSE_LEFT_BUTTON_UP

RI_MOUSE_BUTTON_2_DOWN
0x0004

RI_MOUSE_RIGHT_BUTTON_DOWN

RI_MOUSE_BUTTON_2_UP
0x0008

RI_MOUSE_RIGHT_BUTTON_UP

RI_MOUSE_BUTTON_3_DOWN
0x0010

RI_MOUSE_MIDDLE_BUTTON_DOWN

RI_MOUSE_BUTTON_3_UP
0x0020

RI_MOUSE_MIDDLE_BUTTON_UP

RI_MOUSE_BUTTON_4_DOWN
0x0040

XBUTTON1 changed to down.

RI_MOUSE_BUTTON_4_UP
0x0080

XBUTTON1 changed to up.

RI_MOUSE_BUTTON_5_DOWN
0x100

XBUTTON2 changed to down.

RI_MOUSE_BUTTON_5_UP
0x0200

XBUTTON2 changed to up.

RI_MOUSE_WHEEL
0x0400

Raw input comes from a mouse wheel. The wheel delta is stored in usButtonData.

 

usButtonData

Type: USHORT

If usButtonFlags is RI_MOUSE_WHEEL, this member is a signed value that specifies the wheel delta.

ulRawButtons

Type: ULONG

The raw state of the mouse buttons.

lLastX

Type: LONG

The motion in the X direction. This is signed relative motion or absolute motion, depending on the value of usFlags.

lLastY

Type: LONG

The motion in the Y direction. This is signed relative motion or absolute motion, depending on the value of usFlags.

ulExtraInformation

Type: ULONG

The device-specific additional information for the event.

Requirements

Minimum supported client

Windows XP [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header

Winuser.h (include Windows.h)

See also

Reference
GetRawInputDeviceInfo
RAWINPUT
Conceptual
Raw Input

 

 

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