Hi Tien,
Greetings from Syncfusion support.
We have
reviewed your query and understand that you expect virtualization support in
the Dropdown Tree Component. Currently, we do not have virtualization support.
However, we have LoadOnDemand
feature in the Dropdown Tree Component. This feature determines whether child
nodes will be rendered while expanding and collapsing a parent node inside the
popup, instead of loading all tree nodes initially.
Best Regards,
Vishwanathan