/// <summary>
/// Hooks the console using the <see cref="NativeMethods"/> class methods that are exported from the windows api dlls in order to
/// allow the console to show even when the project output type is set to Windows Application, that way we can swap between <see cref="Gui"/>
/// or <see cref="Tui"/>.
/// Also registers a callback method with the <see cref="NativeMethods.SetConsoleCtrlHandler"/> that will register a
/// close event to the console even if someones click the X button on the top right side so we can do last wrapping before
/// console closes.
/// </summary>
private static void HookConsole()
{
_startGui = false;
ClosedHandler += CloseCallback;
NativeMethods.AllocConsole();
NativeMethods.SetConsoleCtrlHandler(ClosedHandler, true);
AppDomain.CurrentDomain.ProcessExit += delegate { ClosedHandler?.Invoke(CtrlType.CLOSE); };
}
private static void RaiseClosed(IntPtr cPtr, IntPtr sender, IntPtr e)
{
try {
if (Noesis.Extend.Initialized)
{
long ptr = cPtr.ToInt64();
if (sender == IntPtr.Zero && e == IntPtr.Zero)
{
_Closed.Remove(ptr);
return;
}
ClosedHandler handler = null;
if (!_Closed.TryGetValue(ptr, out handler))
{
throw new InvalidOperationException("Delegate not registered for Closed event");
}
handler?.Invoke(Noesis.Extend.GetProxy(sender, false), new EventArgs(e, false));
}
}
catch (Exception exception) {
Noesis.Error.UnhandledException(exception);
}
}
public void OnClosed(TResult selection) => ClosedHandler?.Invoke(selection);
