How to select multi node by drag or ctrl

[manh ninh duc]

Hi there, I have 3 rect and i want  to drag to chose multi by right mouse or by press ctrl  How can i do it ?

[manh ninh duc]

i sorry by press shift like in the demo

Vào lúc 10:15:42 UTC+7 ngày Thứ Ba, 17 tháng 5, 2022, manh ninh duc đã viết:

[Marcin Wanago]

Hi,

You need to use `keyboard.isActive` and  `selection.startSelecting`.

```
paper.on('blank:pointerdown', (event: dia.Event) => {
  if (keyboard.isActive('shift', event)) {
    selection.startSelecting(event);
  } else {
    selection.collection.reset([]);
  }
});
```
https://resources.jointjs.com/docs/rappid/v3.5/ui.Selection.html

https://resources.jointjs.com/docs/rappid/v3.5/ui.Keyboard.html

[Marek Hozák]

Hi,

Thank you for getting in touch! We've just moved our support to Github, where we answer all questions, exchange ideas for improving JointJS and JointJS+, and share news and updates.

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Marek from JointJS