For toplevel windows, withdraws them, so they will no longer be known to the window manager; for all windows, unmaps them, so they won't be displayed. Normally done automatically as part of gtk_widget_hide().
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For toplevel windows, withdraws them, so they will no longer be known to the window manager; for all windows, unmaps them, so they won't be displayed. Normally done automatically as part of gtk_widget_hide().