restoreWindowContainer
Restores a WindowContainer by id and optional tag. This can only be used when there is a stage open.
Return
true if succeeded; false otherwise.
Parameters
id
Id of window container that you want to restore.
tag
When tag is null, all opened window containers with the same id are restored. When set, only the window with the same id and tag is restored.
Restores the current WindowContainer. This can only be used when there is a stage open.
Return
true if succeeded; false otherwise.