TreeView Angular Expand All

[Bao]

I have a button expand all, and i want to click this button - treeview expand all nodes. How i can do it ?

Thanks.

[Yanmario]

Hi Bao,

The most straightforward approach to achieve the desired functionality is to handle expandedKeys and expandBy properties. Example demonstrating such an approach:

https://stackblitz.com/edit/treeview-expand-all-collapse-all?file=app/app.component.ts

Further modifications might be required depending on the use case scenario.

I hope this helps.

Regards,
Yanmario
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