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# NSEvent.PressureBehavior.primaryClick

A pressure gesture’s behavior begins on left mouse-down events. A maximum of one stage is supported, and a stage transition animation occurs when moving from stage 1 to stage 0. Actuations (haptic feedback the user feels) occur during mouse-down and mouse-up events when this behavior is configured. Note that the pressure gesture operates on a separate event stream from the mouse events.

```
case primaryClick
```

---

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