Phoc.Event.get_touchpad_gesture_deltas

### Method

# Phoc Eventget_touchpad_gesture_deltas

#### Declaration [src]

    void
    phoc_event_get_touchpad_gesture_deltas (
      const PhocEvent* event,
      double* dx,
      double* dy
    )

#### Description [src]

Extracts delta information from a touchpad event.

#### Parameters

`dx`

  Type: `double*`

  Return location for x.

  The argument will be set by the function.

`dy`

  Type: `double*`

  Return location for y.

  The argument will be set by the function.