This JSup feature is useful, for example, to define a popup JSup window to manually control the device clicked by the user in a synoptic window with the possibility to keep more popup at the same time to control multiple device.

• In the Max window instances of the window propery dialog define the maximum instances the user will be enabled to open at the same time.
• Open the popup window from JavaCode with popupWin.showNewInstance(...) method which permit (as the last method parameter) to pass an object to the new instance of the window that can read it with thisWindow.getWindowParameter() and determine its instance number with thisWindow.getWindowInstanceNr()

The UtenzeV2 library class can be used to manage to open a popup window called AutoMan with multiple instances.