Open multiple widgets simultaneously

For in-panel widgets in a widget pool, widget behavior is managed by controller widgets, such as HeaderController and PanelManager.

The HeaderController widget closes other widgets or groups when a widget or group is opened. It can also open all widgets in the same group at the same time in one panel.

The PanelManager widget closes other widgets in the same group when a widget is opened.

As a result, if you want to open more than one widget at the same time, you have the following the options: