I am making an interface to launch emulators.
The problem is some emulators are tricky and can't start if the interface window is still opened.
So i need to hide it (or perhabs close it).
But if i just call hide() or close() just before launching the emulator, the window is still opened.
Do i need to call a refresh function, or is there an event to wait to be sure that the window really dissapeared from the screen ?
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