public async Task <int> InvokeAsync(InvocationContext context) { var console = context.Console.Out; var(client, schema) = await DeviceDetection.DetectDeviceAsync(console); if (client is null) { return(1); } using (client) { var channel = context.ParseResult.ValueForOption <int>("channel"); var keys = context.ParseResult.ValueForOption <string>("keys"); var targetKit = context.ParseResult.ValueForOption <int>("kit"); if (targetKit < 1 || targetKit + 1 > schema.KitRoots.Count) { console.WriteLine($"Kit {targetKit} is out of range for {schema.Identifier.Name} for this command."); console.WriteLine("Note that one extra kit is required after the specified one."); return(1); } // Detect the current kit // TODO: Stop assuming current kit is at address 0, although it is for TD-17, TD-50 and TD-27... var data = await client.RequestDataAsync(0, 1, new CancellationTokenSource(TimeSpan.FromSeconds(1)).Token); var currentKit = data[0] + 1; // Copy current kit to target kit and target kit + 1 var kit = await KitUtilities.ReadKit(schema, client, currentKit, console); await KitUtilities.WriteKit(client, kit, targetKit, console); await KitUtilities.WriteKit(client, kit, targetKit + 1, console); SetCurrentKit(targetKit); var programChangeCommand = (byte)(0xc0 | (channel - 1)); // Now listen for the foot switch... client.MessageReceived += (sender, message) => { if (message.Data.Length == 2 && message.Data[0] == programChangeCommand) { console.WriteLine("Turning the page..."); System.Windows.Forms.SendKeys.SendWait(keys); SetCurrentKit(targetKit); } }; console.WriteLine("Listening for foot switch"); await Task.Delay(TimeSpan.FromHours(1)); } return(0); void SetCurrentKit(int newKitNumber) => client.SendData(0, new[] { (byte)(newKitNumber - 1) }); }