minimizeWindowContainer
Minimizes 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 minimize.
tag
When tag is null, all opened window containers with the same id are minimized. When set, only the window with the same id and tag is minimized.
Minimizes the current WindowContainer. This can only be used when there is a stage open.
Return
true if succeeded; false otherwise.