taskbar

I have a program in B4J that receives notifications. Is there a way to represent those notifications on the taskbar icon, similar to when you receive a message on Discord, for example?

Hello. My app has a main window which shows all the options and submenus and covers most of the screen. It is "undecorated". The problem is, when I open other forms from that main form, they don't show as separate "tabs" in Windows, so as soon as I click on another part of the screen, the...