JOYOEMPOLLDATA structure

The JOYOEMPOLLDATA structure is passed to the joystick minidriver for a poll request.

Syntax

typedef struct {
  DWORD  id;
  DWORD  do_other;
  JOYPOS jp;
  DWORD  dwPOV;
  DWORD  dwButtons;
  DWORD  dwButtonNumber;
} JOYOEMPOLLDATA, *LPJOYOEMPOLLDATA;

Members

• id
  Indicates the identifier of the device being polled.

• do_other
  The definition of this member depends on the type of poll. The type of polling and the definition of this parameter are:

  • JOY_OEMPOLL_POLL1
    Axis to poll.

  • JOY_OEMPOLL_POLL2
    Unused.

  • JOY_OEMPOLL_POLL3
    Poll X, Y, and R if nonzero, or poll X, Y, and Z otherwise.

  • JOY_OEMPOLL_POLL4
    Unused.

  • JOY_OEMPOLL_POLL5
    Poll X, Y, Z, R, and V if nonzero, or poll X, Y, Z, R, and U otherwise.

  • JOY_OEMPOLL_POLL6
    Unused.

  • JOY_OEMPOLL_GETBUTTONS
    Unused.

  • JOY_OEMPOLL_PASSDRIVERDATA
    DWORD of data to pass to the driver. (This was introduced in DirectX 3.0.)

• jp
  Contains the axis data.

• dwPOV
  Contains the point-of-view (POV) hat information (0 to 35999).

• dwButtons
  Specifies a bitmap of pressed buttons, with the first button in the least-significant bit.

• dwButtonNumber
  Specifies the number of the lowest button number pressed, or zero if none. For example, this parameter is 1 for the first button, is 2 for the second, or is 1 for the first and second.

Requirements

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