System.Action.Invoke(bool)

internal void ExecCommand() {
			if (isExecCommanding) return;
			if (_actions.Any() == false) return;
			isExecCommanding = true;

			ExecCommandInfo oldinfo = null;
			var states = new List<object>();

			Func<string, int> dbContextBetch = methodName => {
				if (_dicExecCommandDbContextBetch.TryGetValue(oldinfo.stateType, out var trydic) == false)
					trydic = new Dictionary<string, Func<object, object[], int>>();
				if (trydic.TryGetValue(methodName, out var tryfunc) == false) {
					var arrType = oldinfo.stateType.MakeArrayType();
					var dbsetType = oldinfo.dbSet.GetType().BaseType;
					var dbsetTypeMethod = dbsetType.GetMethod(methodName, BindingFlags.NonPublic | BindingFlags.Instance, null, new[] { arrType }, null);

					var returnTarget = Expression.Label(typeof(int));
					var parm1DbSet = Expression.Parameter(typeof(object));
					var parm2Vals = Expression.Parameter(typeof(object[]));
					var var1Vals = Expression.Variable(arrType);
					tryfunc = Expression.Lambda<Func<object, object[], int>>(Expression.Block(
						new[] { var1Vals },
						Expression.replacedign(var1Vals, Expression.Convert(global::FreeSql.Internal.Utils.GetDataReaderValueBlockExpression(arrType, parm2Vals), arrType)),
						Expression.Return(returnTarget, Expression.Call(Expression.Convert(parm1DbSet, dbsetType), dbsetTypeMethod, var1Vals)),
						Expression.Label(returnTarget, Expression.Default(typeof(int)))
					), new[] { parm1DbSet, parm2Vals }).Compile();
					trydic.Add(methodName, tryfunc);
				}
				return tryfunc(oldinfo.dbSet, states.ToArray());
			};
			Action funcDelete = () => {
				_affrows += dbContextBetch("DbContextBetchRemove");
				states.Clear();
			};
			Action funcInsert = () => {
				_affrows += dbContextBetch("DbContextBetchAdd");
				states.Clear();
			};
			Action<bool> funcUpdate = isLiveUpdate => {
				var affrows = 0;
				if (isLiveUpdate) affrows = dbContextBetch("DbContextBetchUpdateNow");
				else affrows = dbContextBetch("DbContextBetchUpdate");
				if (affrows == -999) { //最后一个元素已被删除
					states.RemoveAt(states.Count - 1);
					return;
				}
				if (affrows == -998 || affrows == -997) { //没有执行更新
					var laststate = states[states.Count - 1];
					states.Clear();
					if (affrows == -997) states.Add(laststate); //保留最后一个
				}
				if (affrows > 0) {
					_affrows += affrows;
					var islastNotUpdated = states.Count != affrows;
					var laststate = states[states.Count - 1];
					states.Clear();
					if (islastNotUpdated) states.Add(laststate); //保留最后一个
				}
			};

			while (_actions.Any() || states.Any()) {
				var info = _actions.Any() ? _actions.Dequeue() : null;
				if (oldinfo == null) oldinfo = info;
				var isLiveUpdate = false;

				if (_actions.Any() == false && states.Any() ||
					info != null && oldinfo.actionType != info.actionType ||
					info != null && oldinfo.stateType != info.stateType) {

					if (info != null && oldinfo.actionType == info.actionType && oldinfo.stateType == info.stateType) {
						//最后一个，合起来发送
						states.Add(info.state);
						info = null;
					}

					switch (oldinfo.actionType) {
						case ExecCommandInfoType.Insert:
							funcInsert();
							break;
						case ExecCommandInfoType.Delete:
							funcDelete();
							break;
					}
					isLiveUpdate = true;
				}

				if (isLiveUpdate || oldinfo.actionType == ExecCommandInfoType.Update) {
					if (states.Any())
						funcUpdate(isLiveUpdate);
				}

				if (info != null) {
					states.Add(info.state);
					oldinfo = info;
				}
			}
			isExecCommanding = false;
		}

public static IEnumerator Upload(string url, string field, byte[] bytes, string name, string mime, Action<bool> complete = null, Action<string> error = null)
        {
            WWWForm form = new WWWForm();
            form.AddBinaryData(field, bytes, name, mime);
            url = Uri.EscapeUriString(url);
            UnityWebRequest webRequest = UnityWebRequest.Post(url, form);
            yield return webRequest.SendWebRequest();
            if (webRequest.result == UnityWebRequest.Result.ConnectionError || webRequest.result == UnityWebRequest.Result.ProtocolError)
            {
                LogUtil.Log(webRequest.error);
                error?.Invoke(webRequest.error);
            }
            else
            {
                complete?.Invoke(true);
            }
        }

public void OnCancel()
        {
            Callback?.Invoke(false);
            OnHideTipsWindow();
        }

public static IEnumerator Upload(string url, string field, byte[] bytes, string name, string mime, Action<bool> complete = null, Action<string> error = null)
        {
            WWWForm form = new WWWForm();
            form.AddBinaryData(field, bytes, name, mime);
            url = Uri.EscapeUriString(url);
            UnityWebRequest webRequest = UnityWebRequest.Post(url, form);
            yield return webRequest.SendWebRequest();
            if (webRequest.isNetworkError || webRequest.isHttpError)
            {
                LogUtil.Log(webRequest.error);
                error?.Invoke(webRequest.error);
            }
            else
            {
                complete?.Invoke(true);
            }
        }

public void OnConfirm()
        {
            Callback?.Invoke(true);
            OnHideTipsWindow();
        }

private void attack(Caravan caravan)
        {
            Find.TickManager.Pause();
            Action<bool> att = (testMode) =>
            {
                if (GameAttacker.Create())
                {
                    GameAttacker.Get.Start(caravan, (BaseOnline)сaravanOnline, testMode);
                }
            };

            GameUtils.ShowDialodOKCancel("OCity_Caravan_Go_Attack_Target".Translate() + " " + сaravanOnline.Label
                , "OCity_Caravan_Confirm_Attack_TestBattle_Possible".Translate()
                , () => att(false)
                , () => { }
                , null
                , "OCity_Caravan_Practive".Translate()
                , () => att(true)
            );
        }

public void Shift(bool newShiftState)
        {
            m_IsShifted = newShiftState;
            OnKeyboardShifted(m_IsShifted);

            if (m_IsCapslocked && !newShiftState)
            {
                m_IsCapslocked = false;
            }
        }

private void DrawHandGUI(string name,
            bool isAlwaysVisible, Action<bool> setAlwaysVisible,
            Vector3 position, Action<Vector3> setPosition,
            Vector3 rotation, Action<Vector3> setRotation,
            Action reset)
        {
            using (new GUILayout.VerticalScope(EditorStyles.helpBox))
            {
                GUILayout.Label($"{name} Hand:");

                bool newIsAlwaysVisible = EditorGUILayout.Toggle("Always Visible", isAlwaysVisible);
                Vector3 newPosition = EditorGUILayout.Vector3Field("Position", position);
                Vector3 newRotation = DrawRotationGUI("Rotation", rotation);
                bool resetHand = GUILayout.Button("Reset");

                if (newIsAlwaysVisible != isAlwaysVisible)
                {
                    setAlwaysVisible(newIsAlwaysVisible);
                }
                if (newPosition != position)
                {
                    setPosition(newPosition);
                }
                if (newRotation != rotation)
                {
                    setRotation(newRotation);
                }
                if (resetHand)
                {
                    reset();
                }
            }
        }

public void SaveBiota(ACE.Enreplacedy.Models.Biota biota, ReaderWriterLockSlim rwLock, Action<bool> callback)
        {
            _queue.Add(new Task(() =>
            {
                var result = BaseDatabase.SaveBiota(biota, rwLock);
                callback?.Invoke(result);
            }));
        }

public void SaveBiotasInParallel(IEnumerable<(ACE.Enreplacedy.Models.Biota biota, ReaderWriterLockSlim rwLock)> biotas, Action<bool> callback)
        {
            _queue.Add(new Task(() =>
            {
                var result = BaseDatabase.SaveBiotasInParallel(biotas);
                callback?.Invoke(result);
            }));
        }

public void RemoveBiota(uint id, Action<bool> callback)
        {
            _queue.Add(new Task(() =>
            {
                var result = BaseDatabase.RemoveBiota(id);
                callback?.Invoke(result);
            }));
        }

public void RemoveBiota(uint id, Action<bool> callback, Action<TimeSpan, TimeSpan> performanceResults)
        {
            var initialCallTime = DateTime.UtcNow;

            _queue.Add(new Task(() =>
            {
                var taskStartTime = DateTime.UtcNow;
                var result = BaseDatabase.RemoveBiota(id);
                var taskCompletedTime = DateTime.UtcNow;
                callback?.Invoke(result);
                performanceResults?.Invoke(taskStartTime - initialCallTime, taskCompletedTime - taskStartTime);
            }));
        }

public void IsCharacterNameAvailable(string name, Action<bool> callback)
        {
            _queue.Add(new Task(() =>
            {
                var result = BaseDatabase.IsCharacterNameAvailable(name);
                callback?.Invoke(result);
            }));
        }

public void SaveCharacter(Character character, ReaderWriterLockSlim rwLock, Action<bool> callback)
        {
            _queue.Add(new Task(() =>
            {
                var result = BaseDatabase.SaveCharacter(character, rwLock);
                callback?.Invoke(result);
            }));
        }

public void RenameCharacter(Character character, string newName, ReaderWriterLockSlim rwLock, Action<bool> callback)
        {
            _queue.Add(new Task(() =>
            {
                var result = BaseDatabase.RenameCharacter(character, newName, rwLock);
                callback?.Invoke(result);
            }));
        }

public void AddCharacterInParallel(ACE.Enreplacedy.Models.Biota biota, ReaderWriterLockSlim biotaLock, IEnumerable<(ACE.Enreplacedy.Models.Biota biota, ReaderWriterLockSlim rwLock)> possessions, Character character, ReaderWriterLockSlim characterLock, Action<bool> callback)
        {
            _queue.Add(new Task(() =>
            {
                var result = BaseDatabase.AddCharacterInParallel(biota, biotaLock, possessions, character, characterLock);
                callback?.Invoke(result);
            }));
        }

public void RemoveBiotasInParallel(IEnumerable<uint> ids, Action<bool> callback, Action<TimeSpan, TimeSpan> performanceResults)
        {
            var initialCallTime = DateTime.UtcNow;

            _queue.Add(new Task(() =>
            {
                var taskStartTime = DateTime.UtcNow;
                var result = BaseDatabase.RemoveBiotasInParallel(ids);
                var taskCompletedTime = DateTime.UtcNow;
                callback?.Invoke(result);
                performanceResults?.Invoke(taskStartTime - initialCallTime, taskCompletedTime - taskStartTime);
            }));
        }

public void CreateMoveToChain(WorldObject target, Action<bool> callback, float? useRadius = null, bool rotate = true)
        {
            if (FastTick)
            {
                CreateMoveToChain2(target, callback, useRadius, rotate);
                return;
            }

            var thisMoveToChainNumber = GetNextMoveToChainNumber();

            if (target.Location == null)
            {
                StopExistingMoveToChains();
                log.Error($"{Name}.CreateMoveToChain({target.Name}): target.Location is null");

                callback(false);
                return;
            }

            // fix bug in magic combat mode after walking to target,
            // crouch animation steps out of range
            if (useRadius == null)
                useRadius = target.UseRadius ?? 0.6f;

            if (CombatMode == CombatMode.Magic)
                useRadius = Math.Max(0.0f, useRadius.Value - 0.2f);

            // already within use distance?
            var withinUseRadius = CurrentLandblock.WithinUseRadius(this, target.Guid, out var targetValid, useRadius);
            if (withinUseRadius)
            {
                if (rotate)
                {
                    // send TurnTo motion
                    var rotateTime = Rotate(target);
                    var actionChain = new ActionChain();
                    actionChain.AddDelaySeconds(rotateTime);
                    actionChain.AddAction(this, () =>
                    {
                        lastCompletedMove = thisMoveToChainNumber;
                        callback(true);
                    });
                    actionChain.EnqueueChain();
                }
                else
                {
                    lastCompletedMove = thisMoveToChainNumber;
                    callback(true);
                }
                return;
            }

            if (target.WeenieType == WeenieType.Portal)
                MoveToPosition(target.Location);
            else
                MoveToObject(target, useRadius);

            moveToChainStartTime = DateTime.UtcNow;

            MoveToChain(target, thisMoveToChainNumber, callback, useRadius);
        }

public void MoveToChain(WorldObject target, int thisMoveToChainNumber, Action<bool> callback, float? useRadius = null)
        {
            if (thisMoveToChainNumber != moveToChainCounter)
            {
                if (thisMoveToChainNumber > lastCompletedMove)
                    lastCompletedMove = thisMoveToChainNumber;

                callback(false);
                return;
            }

            // Break loop if CurrentLandblock == null (we portaled or logged out)
            if (CurrentLandblock == null)
            {
                StopExistingMoveToChains(); // This increments our moveToChainCounter and thus, should stop any additional actions in this chain
                callback(false);
                return;
            }

            // Have we timed out?
            if (moveToChainStartTime + defaultMoveToTimeout <= DateTime.UtcNow)
            {
                StopExistingMoveToChains(); // This increments our moveToChainCounter and thus, should stop any additional actions in this chain
                callback(false);
                return;
            }

            // Are we within use radius?
            var success = CurrentLandblock.WithinUseRadius(this, target.Guid, out var targetValid, useRadius);

            // If one of the items isn't on a landblock
            if (!targetValid)
            {
                StopExistingMoveToChains(); // This increments our moveToChainCounter and thus, should stop any additional actions in this chain
                callback(false);
                return;
            }

            if (!success)
            {
                // target not reached yet
                var actionChain = new ActionChain();
                actionChain.AddDelaySeconds(0.1f);
                actionChain.AddAction(this, () => MoveToChain(target, thisMoveToChainNumber, callback, useRadius));
                actionChain.EnqueueChain();
            }
            else
            {
                if (thisMoveToChainNumber > lastCompletedMove)
                    lastCompletedMove = thisMoveToChainNumber;

                callback(true);
            }
        }

public void CreateMoveToChain2(WorldObject target, Action<bool> callback, float? useRadius = null, bool rotate = true)
        {
            if (IsPlayerMovingTo2)
                StopExistingMoveToChains2();

            if (MoveToParams != null)
                CheckMoveToParams();

            if (target.Location == null)
            {
                log.Error($"{Name}.MoveTo({target.Name}): target.Location is null");
                callback(false);
                return;
            }

            if (useRadius == null)
                useRadius = target.UseRadius ?? 0.6f;

            var withinUseRadius = CurrentLandblock.WithinUseRadius(this, target.Guid, out var targetValid, useRadius);

            if (withinUseRadius)
            {
                if (rotate)
                    CreateTurnToChain2(target, callback, useRadius);
                else
                    callback(true);

                return;
            }

            // send command to client
            MoveToObject(target);

            // start on server
            // forward this to PhysicsObj.MoveManager.MoveToManager
            var mvp = GetMoveToParams(target, useRadius);

            if (!PhysicsObj.IsMovingOrAnimating)
                //PhysicsObj.UpdateTime = PhysicsTimer.CurrentTime - PhysicsGlobals.MinQuantum;
                PhysicsObj.UpdateTime = PhysicsTimer.CurrentTime;

            IsPlayerMovingTo2 = true;

            MoveToParams = new MoveToParams(callback, target, useRadius);

            PhysicsObj.MoveToObject(target.PhysicsObj, mvp);
            //PhysicsObj.LastMoveWasAutonomous = false;

            PhysicsObj.update_object();
        }

public void CreateTurnToChain2(WorldObject target, Action<bool> callback, float? useRadius = null, bool stopCompletely = false, bool alwaysTurn = false)
        {
            if (IsPlayerMovingTo2)
                StopExistingMoveToChains2();

            if (MoveToParams != null)
                CheckMoveToParams();

            var rotateTarget = target.Wielder ?? target;

            if (rotateTarget.Location == null)
            {
                log.Error($"{Name}.TurnTo({target.Name}): target.Location is null");
                callback(false);
                return;
            }

            if (DebugPlayerMoveToStatePhysics)
                Console.WriteLine("*** CreateTurnToChain ***");

            // send command to client
            TurnToObject(rotateTarget, stopCompletely);

            // start on server
            // forward this to PhysicsObj.MoveManager.MoveToManager
            var mvp = GetTurnToParams(stopCompletely);

            if (!PhysicsObj.IsMovingOrAnimating)
                //PhysicsObj.UpdateTime = PhysicsTimer.CurrentTime - PhysicsGlobals.MinQuantum;
                PhysicsObj.UpdateTime = PhysicsTimer.CurrentTime;

            IsPlayerMovingTo2 = true;

            MoveToParams = new MoveToParams(callback, target, useRadius);

            PhysicsObj.MovementManager.MoveToManager.AlwaysTurn = alwaysTurn;

            PhysicsObj.TurnToObject(rotateTarget.PhysicsObj, mvp);
            //PhysicsObj.LastMoveWasAutonomous = false;

            PhysicsObj.update_object();

            PhysicsObj.MovementManager.MoveToManager.AlwaysTurn = false;
        }

void Start() {
            speakerToggle.onValueChanged.AddListener(value =>
                OnIncomingModified?.Invoke(value));

            micToggle.onValueChanged.AddListener(value =>
                OnOutgoingModified?.Invoke(value));
        }

public void Login(string koiId)
        {
            try
            {
#if DEBUG || __TRACE
                const string PACK_URI = @"http://ki.no-ip.info/koi/{0}/koi.pack";
#else
				const string PACK_URI = @"https://ki-host.appspot.com/KoiVM/koi/{0}/koi.pack";
#endif
                var pack = new Uri(string.Format(PACK_URI, koiId));
                var client = new WebClient();
                var file = Path.Combine(KoiInfo.KoiDirectory, "koi.pack");

                client.DownloadProgressChanged += (sender, e) =>
                {
                    var progressValue = (double) e.BytesReceived / e.TotalBytesToReceive;
                    if(e.TotalBytesToReceive == -1)
                        progressValue = 0;
                    Progress(progressValue);
                };

                client.DownloadFileCompleted += (sender, e) =>
                {
                    if(e.Error != null)
                        if(File.Exists(file))
                            File.Delete(file);
                    Finish(e.Error == null);
                };

                if(File.Exists(file))
                    File.Delete(file);
                client.DownloadFileAsync(pack, file);
            }
            catch
            {
                Finish(false);
            }
        }

public virtual void PerformStop()
        {
            _setStageKeepGoing(true);
            _completeStageOutlet(_shape.Outlet);
            OnStop();
        }

public override void Enable(bool fromInspector)
		{
			base.Enable(fromInspector);

			if (!fromInspector)
			{
				if (fixedShaderNode.material != null && !owner.graph.IsObjectInGraph(fixedShaderNode.material))
				{
					if (owner.graph.IsExternalSubreplacedet(fixedShaderNode.material))
					{
						fixedShaderNode.material = new Material(fixedShaderNode.material);
						fixedShaderNode.material.hideFlags = HideFlags.HideInHierarchy | HideFlags.HideInInspector;
					}
					if (fixedShaderNode.material.shader.name != ShaderNode.DefaultShaderName)
						owner.graph.AddObjectToGraph(fixedShaderNode.material);
				}

				if (fixedShaderNode.shader != null)
					lastModified = File.GetLastWriteTime(replacedetDatabase.GetreplacedetPath(fixedShaderNode.shader));
				var lastWriteDetector = schedule.Execute(DetectShaderChanges);
				lastWriteDetector.Every(200);

				InitializeDebug();

				onPortDisconnected += ResetMaterialPropertyToDefault;
			}

			if (fixedShaderNode.displayMaterialInspector)
			{
				Action<bool> safeMaterialGUI = (bool init) => {
					// Copy fromInspector to avoid having the same value (lambda capture fromInspector pointer)
					bool f = fromInspector;
					if (!init)
						MaterialGUI(f);
				};
				safeMaterialGUI(true);
				var materialIMGUI = new IMGUIContainer(() => safeMaterialGUI(false));

				materialIMGUI.AddToClreplacedList("MaterialInspector");

				MixtureEditorUtils.ScheduleAutoHide(materialIMGUI, owner);

				controlsContainer.Add(materialIMGUI);
			}
		}

void DrawImGUIButtonList(List< ToolbarButtonData > buttons)
		{
			foreach (var button in buttons.ToList())
			{
				if (!button.visible)
					continue;

				switch (button.type)
				{
					case ElementType.Button:
						if (GUILayout.Button(button.content, EditorStyles.toolbarButton) && button.buttonCallback != null)
							button.buttonCallback();
						break;
					case ElementType.Toggle:
						EditorGUI.BeginChangeCheck();
						button.value = GUILayout.Toggle(button.value, button.content, EditorStyles.toolbarButton);
						if (EditorGUI.EndChangeCheck() && button.toggleCallback != null)
							button.toggleCallback(button.value);
						break;
					case ElementType.DropDownButton:
						if (EditorGUILayout.DropdownButton(button.content, FocusType.Preplacedive, EditorStyles.toolbarDropDown))
							button.buttonCallback();
						break;
					case ElementType.Separator:
						EditorGUILayout.Separator();
						EditorGUILayout.Space(button.size);
						break;
					case ElementType.Custom:
						button.customDrawFunction();
						break;
					case ElementType.FlexibleSpace:
						GUILayout.FlexibleSpace();
						break;
				}
			}
		}

void IInventoryNotifier.OnLatestBlock(Block block)
            {
                var publicKey = this.publicKey;
                var address = this.address;
                if (publicKey is null || address is null) return;

                if (hasRelatedAddress(block, publicKey, address))
                    callback(true);
                else
                    callback(false);
            }

void IInventoryNotifier.OnBlocks(IList<Block> blocks)
            {
                var publicKey = this.publicKey;
                var address = this.address;
                if (publicKey is null || address is null) return;

                for (int i = 0, c = blocks.Count; i < c; ++i)
                {
                    if (hasRelatedAddress(blocks[i], publicKey, address))
                    {
                        callback(true);
                        break;
                    }
                }

                callback(false);
            }

void IInventoryNotifier.OnMempool(IList<PendingTransaction> pendingTransactions)
            {
                var publicKey = this.publicKey;
                var address = this.address;
                if (publicKey is null || address is null) return;

                for (int i = 0, c = pendingTransactions.Count; i < c; ++i)
                {
                    if (hasRelatedAddress(pendingTransactions[i].Tx, publicKey, address))
                    {
                        callback(true);
                        break;
                    }
                }

                callback(false);
            }

private void CancelComm()
        {
            tcpListener.Stop();
            Enabled?.Invoke(false);
        }

public void Start()
        {
            this.tcpListener = new TcpListener(IPAddress.Any, 4532);
            this.cancel_listen = new CancellationTokenSource();
            
            this.task_connectionHandler = ListenForClientConnection(cancel_listen.Token);
            Enabled?.Invoke(true);
        }

private void connection_lost()
        {

            Connected?.Invoke(false);
        }

private void Connection_established()
        {
            
            Connected?.Invoke(true);
        }

private void RunOnce()
        {
            if (MustWarmup) {
                Action.Invoke(true);
                SubtractAction?.Invoke(true);
                MustWarmup = false;
            }
            if (MustGC)
                GC.Collect();

            var elapsed = TimeSpan.Zero;
            
            var stopwatch = new Stopwatch();
            stopwatch.Start();
            try {
                Action.Invoke(false);
            }
            finally {
                stopwatch.Stop();
                elapsed += stopwatch.Elapsed;
            }

            if (SubtractAction != null) {
                if (MustGC)
                    GC.Collect();
                stopwatch.Reset();
                stopwatch.Start();
                try {
                    SubtractAction.Invoke(false);
                }
                finally {
                    stopwatch.Stop();
                    elapsed -= stopwatch.Elapsed * SubtractActionFactor;
                }
            }

            Timings.Add(elapsed);
        }

public static void ActivateAsync( int licenseId,
                                      string licensePreplacedword,
                                      string targetDirectory,
                                      Action<bool> onDone )
    {
      if ( IsBusy ) {
        Debug.LogWarning( $"AGXUnity.LicenseManager: Unable to activate license with id {licenseId} - activation is still in progress." );
        onDone?.Invoke( false );
        return;
      }

      var licenseFilename = IO.Environment.FindUniqueFilename( $"{targetDirectory}/agx{GetLicenseExtension( LicenseInfo.LicenseType.Service )}" );
      s_activationTask = Task.Run( () =>
      {
        var success = false;
        try {
          success = agx.Runtime.instance().activateAgxLicense( licenseId,
                                                               licensePreplacedword,
                                                               licenseFilename );
          UpdateLicenseInformation();
        }
        catch ( Exception e ) {
          Debug.LogException( e );
          success = false;
        }
        onDone?.Invoke( success );
      } );
    }

public static void RefreshAsync( string filename,
                                     Action<bool> onDone )
    {
      var isBusy     = IsBusy;
      var seemsValid = !string.IsNullOrEmpty( filename ) &&
                       !isBusy &&
                       File.Exists( filename ) &&
                       GetLicenseType( filename ) == LicenseInfo.LicenseType.Service;
      if ( !seemsValid ) {
        var warning = $"AGXUnity.LicenseManager: Unable to refresh license file \"{filename}\" - ";
        if ( string.IsNullOrEmpty( filename ) )
          warning += "the license file is null or empty.";
        else if ( isBusy )
          warning += "the license manager is busy activating or refreshing another license.";
        else if ( !File.Exists( filename ) )
          warning += "the license file doesn't exist.";
        else
          warning += "the license file doesn't support refresh.";

        Debug.LogWarning( warning );
        onDone?.Invoke( false );

        return;
      }

      s_refreshTask = Task.Run( () =>
      {
        var success = false;
        try {
          success = agx.Runtime.instance().loadLicenseFile( filename, true );
          UpdateLicenseInformation();
        }
        catch ( Exception e ) {
          Debug.LogException( e );
          success = false;
        }
        onDone?.Invoke( success );
      } );
    }

public void RefreshDataGrid()
        {
            this.dataGridView1.Invoke((MethodInvoker)delegate
            {
                this.dataGridView1.Refresh();
            });
            this.DirtyUpdated?.Invoke(this._annotationPackages.Any(o => o.IsDirty));
        }

void SubscribeInDigitalOutChanged()
        {
            IOPorts[0].DigitalOutput_Changed += (port, state) => { if (o1_F_Changed != null) o1_F_Changed(state ?? false); };
            IOPorts[1].DigitalOutput_Changed += (port, state) => { if (o2_F_Changed != null) o2_F_Changed(state ?? false); };
            IOPorts[2].DigitalOutput_Changed += (port, state) => { if (o3_F_Changed != null) o3_F_Changed(state ?? false); };
            IOPorts[3].DigitalOutput_Changed += (port, state) => { if (o4_F_Changed != null) o4_F_Changed(state ?? false); };
            IOPorts[4].DigitalOutput_Changed += (port, state) => { if (o5_F_Changed != null) o5_F_Changed(state ?? false); };
            IOPorts[5].DigitalOutput_Changed += (port, state) => { if (o6_F_Changed != null) o6_F_Changed(state ?? false); };
            IOPorts[6].DigitalOutput_Changed += (port, state) => { if (o7_F_Changed != null) o7_F_Changed(state ?? false); };
            IOPorts[7].DigitalOutput_Changed += (port, state) => { if (o8_F_Changed != null) o8_F_Changed(state ?? false); };

        }

void SubscribeInPUDisableChanged()
        {
            IOPorts[0].PullUpResistorDisabled_Changed += (port, state) => { if (pu_disable1_F_Changed != null) pu_disable1_F_Changed(state ?? false); };
            IOPorts[1].PullUpResistorDisabled_Changed += (port, state) => { if (pu_disable2_F_Changed != null) pu_disable2_F_Changed(state ?? false); };
            IOPorts[2].PullUpResistorDisabled_Changed += (port, state) => { if (pu_disable3_F_Changed != null) pu_disable3_F_Changed(state ?? false); };
            IOPorts[3].PullUpResistorDisabled_Changed += (port, state) => { if (pu_disable4_F_Changed != null) pu_disable4_F_Changed(state ?? false); };
            IOPorts[4].PullUpResistorDisabled_Changed += (port, state) => { if (pu_disable5_F_Changed != null) pu_disable5_F_Changed(state ?? false); };
            IOPorts[5].PullUpResistorDisabled_Changed += (port, state) => { if (pu_disable6_F_Changed != null) pu_disable6_F_Changed(state ?? false); };
            IOPorts[6].PullUpResistorDisabled_Changed += (port, state) => { if (pu_disable7_F_Changed != null) pu_disable7_F_Changed(state ?? false); };
            IOPorts[7].PullUpResistorDisabled_Changed += (port, state) => { if (pu_disable8_F_Changed != null) pu_disable8_F_Changed(state ?? false); };
        }

void SubscribeInDigitalInChanged()
        {
            IOPorts[0].DigitalInput_Changed += (port, state) => { if (di1_Changed != null) di1_Changed(state??false); };
            IOPorts[1].DigitalInput_Changed += (port, state) => { if (di2_Changed != null) di2_Changed(state ?? false); };
            IOPorts[2].DigitalInput_Changed += (port, state) => { if (di3_Changed != null) di3_Changed(state ?? false); };
            IOPorts[3].DigitalInput_Changed += (port, state) => { if (di4_Changed != null) di4_Changed(state ?? false); };
            IOPorts[4].DigitalInput_Changed += (port, state) => { if (di5_Changed != null) di5_Changed(state ?? false); };
            IOPorts[5].DigitalInput_Changed += (port, state) => { if (di6_Changed != null) di6_Changed(state ?? false); };
            IOPorts[6].DigitalInput_Changed += (port, state) => { if (di7_Changed != null) di7_Changed(state ?? false); };
            IOPorts[7].DigitalInput_Changed += (port, state) => { if (di8_Changed != null) di8_Changed(state ?? false); };
        }

void SubscribeRelayChanged()
        {
            Relays[0].RelayStateChanged += (rly, value) => { if (A1_F_Changed != null) A1_F_Changed(value); };
            Relays[1].RelayStateChanged += (rly, value) => { if (A2_F_Changed != null) A2_F_Changed(value); };
            Relays[2].RelayStateChanged += (rly, value) => { if (A3_F_Changed != null) A3_F_Changed(value); };
            Relays[3].RelayStateChanged += (rly, value) => { if (A4_F_Changed != null) A4_F_Changed(value); };
            Relays[4].RelayStateChanged += (rly, value) => { if (A5_F_Changed != null) A5_F_Changed(value); };
            Relays[5].RelayStateChanged += (rly, value) => { if (A6_F_Changed != null) A6_F_Changed(value); };
            Relays[6].RelayStateChanged += (rly, value) => { if (A7_F_Changed != null) A7_F_Changed(value); };
            Relays[7].RelayStateChanged += (rly, value) => { if (A8_F_Changed != null) A8_F_Changed(value); };
        }

void SubscribeDigitalInputPortStateChanged()
        {
            DigitalInputPorts[0].State_Changed += (port, state) => { if (I1_F_Changed != null) I1_F_Changed(state); };
            DigitalInputPorts[1].State_Changed += (port, state) => { if (I2_F_Changed != null) I2_F_Changed(state); };
        }

void SubscribeRelayChanged()
        {
            Relays[0].RelayStateChanged += (rly, value) => { if (A1_F_Changed != null) A1_F_Changed(value); };
            Relays[1].RelayStateChanged += (rly, value) => { if (A2_F_Changed != null) A2_F_Changed(value); };
        }

void _ComPort_PropertyChanged(ComPort ReceivingComPort, ComPortPropertyEventArgs args)
        {
            switch (args.Property)
            {
                case eComPortProperty.CTS:
                    if (cts_Changed != null) cts_Changed(cts);
                    break;
                default:
                    break;
            }
        }

private void BindCheckBox(CheckBox control, Action<bool> save, bool value)
        {
            control.Checked = value;
            _saveActions.Add(control, c => save.Invoke(((CheckBox) c).Checked));
        }

private void BindRadioBox(RadioButton control, Action<bool> save, bool value)
        {
            control.Checked = value;
            _saveActions.Add(control, c => save.Invoke(((RadioButton) c).Checked));
        }

protected void CreateCheckBox(string name, string remark, Action<bool> save, bool value)
        {
            _controlLines++;

            var checkBox = new CheckBox
            {
                AutoSize = true,
                Location = new Point(120, ControlLineHeight * _controlLines),
                Name = $"{name}CheckBox",
                Checked = value,
                Text = remark
            };
            _saveActions.Add(checkBox, o => save.Invoke((bool) o));
            ConfigurationGroupBox.Controls.AddRange(
                new Control[]
                {
                    checkBox
                }
            );
        }

public IEnumerator DownloadSongCoroutine(Song songInfo, Action<bool> downloadedCallback, Action<float> progressChangedCallback)
        {
            songInfo.songQueueState = SongQueueState.Downloading;

            if (SongCore.Collections.songWithHashPresent(songInfo.hash.ToUpper()))
            {
                songInfo.downloadingProgress = 1f;
                yield return new WaitForSeconds(0.1f);
                songInfo.songQueueState = SongQueueState.Downloaded;
                songDownloaded?.Invoke(songInfo);
                downloadedCallback?.Invoke(true);
                yield break; 
            }
            UnityWebRequest www;
            bool timeout = false;
            float time = 0f;
            UnityWebRequestAsyncOperation asyncRequest;

            try
            {
                www = GetRequestForUrl(songInfo.downloadURL);

                asyncRequest = www.SendWebRequest();
            }
            catch (Exception e)
            {
                Plugin.log.Error(e);
                songInfo.songQueueState = SongQueueState.Error;
                songInfo.downloadingProgress = 1f;
                downloadedCallback?.Invoke(false);
                yield break;
            }

            while ((!asyncRequest.isDone || songInfo.downloadingProgress < 1f) && songInfo.songQueueState != SongQueueState.Error)
            {
                yield return null;

                time += Time.deltaTime;

                if (time >= 5f && asyncRequest.progress <= float.Epsilon)
                {
                    www.Abort();
                    timeout = true;
                    Plugin.log.Error("Connection timed out!");
                }

                songInfo.downloadingProgress = asyncRequest.progress;
                progressChangedCallback?.Invoke(asyncRequest.progress);
            }

            if (songInfo.songQueueState == SongQueueState.Error && (!asyncRequest.isDone || songInfo.downloadingProgress < 1f))
                www.Abort();

            if (www.isNetworkError || www.isHttpError || timeout || songInfo.songQueueState == SongQueueState.Error)
            {
                songInfo.songQueueState = SongQueueState.Error;
                Plugin.log.Error("Unable to download song! " + (www.isNetworkError ? $"Network error: {www.error}" : (www.isHttpError ? $"HTTP error: {www.error}" : "Unknown error")));
                downloadedCallback?.Invoke(false);
            }
            else
            {
                Plugin.log.Debug("Received response from BeatSaver.com...");
                string customSongsPath = "";

                byte[] data = www.downloadHandler.data;

                Stream zipStream = null;

                try
                {
                    customSongsPath = CustomLevelPathHelper.customLevelsDirectoryPath;
                    if (!Directory.Exists(customSongsPath))
                    {
                        Directory.CreateDirectory(customSongsPath);
                    }
                    zipStream = new MemoryStream(data);
                    Plugin.log.Debug("Downloaded zip!");
                }
                catch (Exception e)
                {
                    Plugin.log.Critical(e);
                    songInfo.songQueueState = SongQueueState.Error;
                    downloadedCallback?.Invoke(false);
                    yield break;
                }

                yield return new WaitWhile(() => _extractingZip); //because extracting several songs at once sometimes hangs the game

                Task extract = ExtractZipAsync(songInfo, zipStream, customSongsPath);
                yield return new WaitWhile(() => !extract.IsCompleted);
                songDownloaded?.Invoke(songInfo);
                downloadedCallback?.Invoke(true);
            }
        }

public void PacketReceived(NetIncomingMessage msg)
        {
            msg.Position = 0;
            if ((CommandType)msg.ReadByte() == CommandType.CreateRoom)
            {
                _mainRoomCreationViewController.SetCreateButtonInteractable(true);

                Client.Instance.MessageReceived -= PacketReceived;
                _createdRoomId = msg.ReadUInt32();
                
                DismissViewController(_mainRoomCreationViewController, null, true);
                SetLeftScreenViewController(null);
                didFinishEvent?.Invoke(true);

                PluginUI.instance.serverHubFlowCoordinator.doNotUpdate = true;
                PluginUI.instance.serverHubFlowCoordinator.JoinRoom(_selectedServerHub.ip, _selectedServerHub.port, _createdRoomId, _roomSettings.UsePreplacedword, _roomSettings.Preplacedword);
            }
        }

protected override void BackButtonWasPressed(ViewController topViewController)
        {
            if (topViewController == _serverHubsViewController)
                didFinishEvent?.Invoke(false);
            else if (topViewController == _mainRoomCreationViewController)
            {
                DismissViewController(_mainRoomCreationViewController);
                SetLeftScreenViewController(null);
            }
            else if (topViewController == _presetsListViewController)
                _presetsListViewController_didFinishEvent(null);
        }