namespace WinRT;

public static class ExceptionHelpers
{
        /// <summary>
        /// Unhandled WinRT server exception event.
        /// </summary>
        public static event EventHandler<UnhandledWinRTServerExceptionEventArgs> UnhandledWinRTServerException;

        public class UnhandledWinRTServerExceptionEventArgs : EventArgs
        {
            public Exception Exception { get; }
            public bool Handled { get; set; }

            public UnhandledWinRTServerExceptionEventArgs(Exception exception)
            {
                Exception = exception;
            }
        }

        public static bool TryHandleWinRTServerException(object sender, Exception ex)
        {
            EventHandler<UnhandledWinRTServerExceptionEventArgs> handler = UnhandledWinRTServerException;
            if (handler != null)
            {
                UnhandledWinRTServerExceptionEventArgs args = new UnhandledWinRTServerExceptionEventArgs(ex);
                handler.Invoke(sender, args);
                return args.Handled;
            }
        }
}

[UnmanagedCallersOnly(CallConvs = new[] { typeof(CallConvStdcall) })]
private static unsafe int Do_Abi_GetPoint_2(IntPtr thisPtr, global::Windows.Foundation.Point* __return_value__)
{
    global::AuthoringTest.BasicClass __this__ = default;
    global::Windows.Foundation.Point ____return_value__ = default;
    *__return_value__ = default;
    try
    {
        ____return_value__ = (__this__ = global::WinRT.ComWrappersSupport.FindObject<global::AuthoringTest.BasicClass>(thisPtr)).GetPoint();
        *__return_value__ = ____return_value__;

    }
    catch (Exception __exception__)
    {
        if (global::WinRT.ExceptionHelpers.TryHandleWinRTServerException(__this__, __exception__))
        {
            return 0;
        }
        global::WinRT.ExceptionHelpers.SetErrorInfo(__exception__);
        return global::WinRT.ExceptionHelpers.GetHRForException(__exception__);
    }
    return 0;
}

WinRT.ExceptionHelpers.UnhandledWinRTServerException += (sender, args) =>
{
    // ...
    if (this_exception_has_been_handled_correctly) args.Handled = true;
}