Safe screen

[Gintaras]

Code:

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// script "Curtain.cs"
wnd w;
using (new Curtain()) {
    1.s();
    w = wnd.runAndFind(() => { run.it(@"notepad.exe"); }, 30, "*Notepad", "Notepad");
    mouse.click(wnd.active);
    1.s();
}
2.s();
w.Close();

/// <summary>
/// Shows a mouse-transparent window that covers all screens.
/// The window is on top of other windows, except those shown on top of it afterwards (eg menus).
/// The window disappears when disposing the object or when the input desktop changed (Ctrl+Alt+Delete, Win+L, etc, but not UAC).
/// </summary>
sealed class Curtain : osdRect {
    public Curtain() {
        Rect = screen.virtualScreen;
        Opacity = 1;
        Color = 0xc0e0a0;
        
        run.thread(() => {
            base.Show();
            
            using var _1 = new WinEventHook(EEvent.SYSTEM_DESKTOPSWITCH, 0, k => {
                if (miscInfo.isInputDesktop()) return;
                if (process.exists("consent.exe", ofThisSession: true)) return; //UAC
                k.hook.Dispose();
                Close();
            });
            
            wait.doEventsUntil(0, () => !IsHandleCreated);
        });
    }
}