public static bool DesktopExists(string desktopName)
{
var handle = WinApi.OpenDesktop(desktopName, 0, false, 0);
WinApi.CloseDesktop(handle);
return(handle != IntPtr.Zero);
}
public static void CloseDesktopWindows(string desktopName)
{
var handle = WinApi.OpenDesktop(desktopName, 0, false, 0);
if (handle == IntPtr.Zero)
{
WriteLine($"INFO: Desktop '{desktopName}' not found.");
return;
}
var windows = new List <IntPtr>();
WinApi.EnumDesktopWindows(handle, (hwnd, _) =>
{
windows.Add(hwnd);
return(true);
}, IntPtr.Zero);
WriteLine($"INFO: Top level windows in the headless desktop: {windows.Count}");
if (windows.Count > 0)
{
foreach (var hWindow in windows)
{
var windowHandle = new HandleRef(null, hWindow);
WriteLine($"INFO: Quitting the '{windows.Count}' top level window.'");
WinApi.PostMessage(windowHandle, WinApi.WM_ENDSESSION, IntPtr.Zero,
(IntPtr)1 /* ENDSESSION_CLOSEAPP */);
WinApi.PostMessage(windowHandle, WinApi.WM_QUIT, IntPtr.Zero, IntPtr.Zero);
}
Thread.Sleep(2000);
windows.Clear();
WinApi.EnumDesktopWindows(handle, (hwnd, _) =>
{
windows.Add(hwnd);
return(true);
}, IntPtr.Zero);
WriteLine($"INFO: Top level windows after sending quit message: {windows.Count}");
}
WinApi.CloseDesktop(handle);
}