diff --git a/include/generator_csharp.h b/include/generator_csharp.h
index de03986d3..470a3df91 100644
--- a/include/generator_csharp.h
+++ b/include/generator_csharp.h
@@ -89,6 +89,7 @@ class GeneratorCSharp : public Generator
     bool IsKnownType(const std::string& type);
     bool IsReferenceType(const std::string& type);
 
+    std::string ConvertToLower(const std::string& type);
     std::string ConvertEnumRead(const std::string& type);
     std::string ConvertEnumSize(const std::string& type);
     std::string ConvertEnumType(const std::string& type);
diff --git a/projects/CSharp/Proto/com.chronoxor.proto.cs b/projects/CSharp/Proto/com.chronoxor.proto.cs
index 70997faae..ba91227ee 100644
--- a/projects/CSharp/Proto/com.chronoxor.proto.cs
+++ b/projects/CSharp/Proto/com.chronoxor.proto.cs
@@ -4709,21 +4709,18 @@ public interface ISenderListener : com.chronoxor.FBE.ISenderListener
     public class Sender : com.chronoxor.FBE.Sender, ISenderListener
     {
         // Sender models accessors
-        public readonly OrderMessageModel OrderMessageModel;
-        public readonly BalanceMessageModel BalanceMessageModel;
-        public readonly AccountMessageModel AccountMessageModel;
+        private OrderMessageModel _orderMessageModel;
+        public OrderMessageModel OrderMessageModel => _orderMessageModel ?? (_orderMessageModel = new OrderMessageModel(Buffer));
+        private BalanceMessageModel _balanceMessageModel;
+        public BalanceMessageModel BalanceMessageModel => _balanceMessageModel ?? (_balanceMessageModel = new BalanceMessageModel(Buffer));
+        private AccountMessageModel _accountMessageModel;
+        public AccountMessageModel AccountMessageModel => _accountMessageModel ?? (_accountMessageModel = new AccountMessageModel(Buffer));
 
         public Sender() : base(false)
         {
-            OrderMessageModel = new OrderMessageModel(Buffer);
-            BalanceMessageModel = new BalanceMessageModel(Buffer);
-            AccountMessageModel = new AccountMessageModel(Buffer);
         }
         public Sender(com.chronoxor.FBE.Buffer buffer) : base(buffer, false)
         {
-            OrderMessageModel = new OrderMessageModel(Buffer);
-            BalanceMessageModel = new BalanceMessageModel(Buffer);
-            AccountMessageModel = new AccountMessageModel(Buffer);
         }
 
         public long Send(object obj) { return SendListener(this, obj); }
@@ -4818,27 +4815,18 @@ public class Receiver : com.chronoxor.FBE.Receiver, IReceiverListener
         private global::com.chronoxor.proto.AccountMessage AccountMessageValue;
 
         // Receiver models accessors
-        private readonly OrderMessageModel OrderMessageModel;
-        private readonly BalanceMessageModel BalanceMessageModel;
-        private readonly AccountMessageModel AccountMessageModel;
+        private OrderMessageModel _orderMessageModel;
+        private OrderMessageModel OrderMessageModel => _orderMessageModel ?? (_orderMessageModel = new OrderMessageModel());
+        private BalanceMessageModel _balanceMessageModel;
+        private BalanceMessageModel BalanceMessageModel => _balanceMessageModel ?? (_balanceMessageModel = new BalanceMessageModel());
+        private AccountMessageModel _accountMessageModel;
+        private AccountMessageModel AccountMessageModel => _accountMessageModel ?? (_accountMessageModel = new AccountMessageModel());
 
         public Receiver() : base(false)
         {
-            OrderMessageValue = global::com.chronoxor.proto.OrderMessage.Default;
-            OrderMessageModel = new OrderMessageModel();
-            BalanceMessageValue = global::com.chronoxor.proto.BalanceMessage.Default;
-            BalanceMessageModel = new BalanceMessageModel();
-            AccountMessageValue = global::com.chronoxor.proto.AccountMessage.Default;
-            AccountMessageModel = new AccountMessageModel();
         }
         public Receiver(com.chronoxor.FBE.Buffer buffer) : base(buffer, false)
         {
-            OrderMessageValue = global::com.chronoxor.proto.OrderMessage.Default;
-            OrderMessageModel = new OrderMessageModel();
-            BalanceMessageValue = global::com.chronoxor.proto.BalanceMessage.Default;
-            BalanceMessageModel = new BalanceMessageModel();
-            AccountMessageValue = global::com.chronoxor.proto.AccountMessage.Default;
-            AccountMessageModel = new AccountMessageModel();
         }
 
         internal override bool OnReceive(long type, byte[] buffer, long offset, long size) { return OnReceiveListener(this, type, buffer, offset, size); }
@@ -4927,21 +4915,18 @@ void OnProxy(AccountMessageModel model, long type, byte[] buffer, long offset, l
     public class Proxy : com.chronoxor.FBE.Receiver, IProxyListener
     {
         // Proxy models accessors
-        private readonly OrderMessageModel OrderMessageModel;
-        private readonly BalanceMessageModel BalanceMessageModel;
-        private readonly AccountMessageModel AccountMessageModel;
+        private OrderMessageModel _orderMessageModel;
+        private OrderMessageModel OrderMessageModel => _orderMessageModel ?? (_orderMessageModel = new OrderMessageModel());
+        private BalanceMessageModel _balanceMessageModel;
+        private BalanceMessageModel BalanceMessageModel => _balanceMessageModel ?? (_balanceMessageModel = new BalanceMessageModel());
+        private AccountMessageModel _accountMessageModel;
+        private AccountMessageModel AccountMessageModel => _accountMessageModel ?? (_accountMessageModel = new AccountMessageModel());
 
         public Proxy() : base(false)
         {
-            OrderMessageModel = new OrderMessageModel();
-            BalanceMessageModel = new BalanceMessageModel();
-            AccountMessageModel = new AccountMessageModel();
         }
         public Proxy(com.chronoxor.FBE.Buffer buffer) : base(buffer, false)
         {
-            OrderMessageModel = new OrderMessageModel();
-            BalanceMessageModel = new BalanceMessageModel();
-            AccountMessageModel = new AccountMessageModel();
         }
 
         internal override bool OnReceive(long type, byte[] buffer, long offset, long size) { return OnReceiveListener(this, type, buffer, offset, size); }
@@ -5011,9 +4996,12 @@ public interface IClientListener : com.chronoxor.FBE.IClientListener, ISenderLis
     public class Client : com.chronoxor.FBE.Client, IClientListener
     {
         // Client sender models accessors
-        public readonly OrderMessageModel OrderMessageSenderModel;
-        public readonly BalanceMessageModel BalanceMessageSenderModel;
-        public readonly AccountMessageModel AccountMessageSenderModel;
+        private OrderMessageModel _orderMessageSenderModel;
+        public OrderMessageModel OrderMessageSenderModel => _orderMessageSenderModel ?? (_orderMessageSenderModel = new OrderMessageModel(SendBuffer));
+        private BalanceMessageModel _balanceMessageSenderModel;
+        public BalanceMessageModel BalanceMessageSenderModel => _balanceMessageSenderModel ?? (_balanceMessageSenderModel = new BalanceMessageModel(SendBuffer));
+        private AccountMessageModel _accountMessageSenderModel;
+        public AccountMessageModel AccountMessageSenderModel => _accountMessageSenderModel ?? (_accountMessageSenderModel = new AccountMessageModel(SendBuffer));
 
         // Client receiver values accessors
         private global::com.chronoxor.proto.OrderMessage OrderMessageReceiverValue;
@@ -5021,33 +5009,18 @@ public class Client : com.chronoxor.FBE.Client, IClientListener
         private global::com.chronoxor.proto.AccountMessage AccountMessageReceiverValue;
 
         // Client receiver models accessors
-        private readonly OrderMessageModel OrderMessageReceiverModel;
-        private readonly BalanceMessageModel BalanceMessageReceiverModel;
-        private readonly AccountMessageModel AccountMessageReceiverModel;
+        private OrderMessageModel _orderMessageReceiverModel;
+        private OrderMessageModel OrderMessageReceiverModel => _orderMessageReceiverModel ?? (_orderMessageReceiverModel = new OrderMessageModel());
+        private BalanceMessageModel _balanceMessageReceiverModel;
+        private BalanceMessageModel BalanceMessageReceiverModel => _balanceMessageReceiverModel ?? (_balanceMessageReceiverModel = new BalanceMessageModel());
+        private AccountMessageModel _accountMessageReceiverModel;
+        private AccountMessageModel AccountMessageReceiverModel => _accountMessageReceiverModel ?? (_accountMessageReceiverModel = new AccountMessageModel());
 
         public Client() : base(false)
         {
-            OrderMessageSenderModel = new OrderMessageModel(SendBuffer);
-            OrderMessageReceiverValue = global::com.chronoxor.proto.OrderMessage.Default;
-            OrderMessageReceiverModel = new OrderMessageModel();
-            BalanceMessageSenderModel = new BalanceMessageModel(SendBuffer);
-            BalanceMessageReceiverValue = global::com.chronoxor.proto.BalanceMessage.Default;
-            BalanceMessageReceiverModel = new BalanceMessageModel();
-            AccountMessageSenderModel = new AccountMessageModel(SendBuffer);
-            AccountMessageReceiverValue = global::com.chronoxor.proto.AccountMessage.Default;
-            AccountMessageReceiverModel = new AccountMessageModel();
         }
         public Client(com.chronoxor.FBE.Buffer sendBuffer, com.chronoxor.FBE.Buffer receiveBuffer) : base(sendBuffer, receiveBuffer, false)
         {
-            OrderMessageSenderModel = new OrderMessageModel(SendBuffer);
-            OrderMessageReceiverValue = global::com.chronoxor.proto.OrderMessage.Default;
-            OrderMessageReceiverModel = new OrderMessageModel();
-            BalanceMessageSenderModel = new BalanceMessageModel(SendBuffer);
-            BalanceMessageReceiverValue = global::com.chronoxor.proto.BalanceMessage.Default;
-            BalanceMessageReceiverModel = new BalanceMessageModel();
-            AccountMessageSenderModel = new AccountMessageModel(SendBuffer);
-            AccountMessageReceiverValue = global::com.chronoxor.proto.AccountMessage.Default;
-            AccountMessageReceiverModel = new AccountMessageModel();
         }
 
         public long Send(object obj) { return SendListener(this, obj); }
@@ -5248,21 +5221,18 @@ public interface IFinalSenderListener : com.chronoxor.FBE.ISenderListener
     public class FinalSender : com.chronoxor.FBE.Sender, IFinalSenderListener
     {
         // Sender models accessors
-        public readonly OrderMessageFinalModel OrderMessageModel;
-        public readonly BalanceMessageFinalModel BalanceMessageModel;
-        public readonly AccountMessageFinalModel AccountMessageModel;
+        private OrderMessageFinalModel _orderMessageModel;
+        public OrderMessageFinalModel OrderMessageModel => _orderMessageModel ?? (_orderMessageModel = new OrderMessageFinalModel(Buffer));
+        private BalanceMessageFinalModel _balanceMessageModel;
+        public BalanceMessageFinalModel BalanceMessageModel => _balanceMessageModel ?? (_balanceMessageModel = new BalanceMessageFinalModel(Buffer));
+        private AccountMessageFinalModel _accountMessageModel;
+        public AccountMessageFinalModel AccountMessageModel => _accountMessageModel ?? (_accountMessageModel = new AccountMessageFinalModel(Buffer));
 
         public FinalSender() : base(true)
         {
-            OrderMessageModel = new OrderMessageFinalModel(Buffer);
-            BalanceMessageModel = new BalanceMessageFinalModel(Buffer);
-            AccountMessageModel = new AccountMessageFinalModel(Buffer);
         }
         public FinalSender(com.chronoxor.FBE.Buffer buffer) : base(buffer, true)
         {
-            OrderMessageModel = new OrderMessageFinalModel(Buffer);
-            BalanceMessageModel = new BalanceMessageFinalModel(Buffer);
-            AccountMessageModel = new AccountMessageFinalModel(Buffer);
         }
 
         public long Send(object obj) { return SendListener(this, obj); }
@@ -5357,27 +5327,18 @@ public class FinalReceiver : com.chronoxor.FBE.Receiver, IFinalReceiverListener
         private global::com.chronoxor.proto.AccountMessage AccountMessageValue;
 
         // Receiver models accessors
-        private readonly OrderMessageFinalModel OrderMessageModel;
-        private readonly BalanceMessageFinalModel BalanceMessageModel;
-        private readonly AccountMessageFinalModel AccountMessageModel;
+        private OrderMessageFinalModel _orderMessageModel;
+        private OrderMessageFinalModel OrderMessageModel => _orderMessageModel ?? (_orderMessageModel = new OrderMessageFinalModel());
+        private BalanceMessageFinalModel _balanceMessageModel;
+        private BalanceMessageFinalModel BalanceMessageModel => _balanceMessageModel ?? (_balanceMessageModel = new BalanceMessageFinalModel());
+        private AccountMessageFinalModel _accountMessageModel;
+        private AccountMessageFinalModel AccountMessageModel => _accountMessageModel ?? (_accountMessageModel = new AccountMessageFinalModel());
 
         public FinalReceiver() : base(true)
         {
-            OrderMessageValue = global::com.chronoxor.proto.OrderMessage.Default;
-            OrderMessageModel = new OrderMessageFinalModel();
-            BalanceMessageValue = global::com.chronoxor.proto.BalanceMessage.Default;
-            BalanceMessageModel = new BalanceMessageFinalModel();
-            AccountMessageValue = global::com.chronoxor.proto.AccountMessage.Default;
-            AccountMessageModel = new AccountMessageFinalModel();
         }
         public FinalReceiver(com.chronoxor.FBE.Buffer buffer) : base(buffer, true)
         {
-            OrderMessageValue = global::com.chronoxor.proto.OrderMessage.Default;
-            OrderMessageModel = new OrderMessageFinalModel();
-            BalanceMessageValue = global::com.chronoxor.proto.BalanceMessage.Default;
-            BalanceMessageModel = new BalanceMessageFinalModel();
-            AccountMessageValue = global::com.chronoxor.proto.AccountMessage.Default;
-            AccountMessageModel = new AccountMessageFinalModel();
         }
 
         internal override bool OnReceive(long type, byte[] buffer, long offset, long size) { return OnReceiveListener(this, type, buffer, offset, size); }
@@ -5462,9 +5423,12 @@ public interface IFinalClientListener : com.chronoxor.FBE.IClientListener, IFina
     public class FinalClient : com.chronoxor.FBE.Client, IFinalClientListener
     {
         // Client sender models accessors
-        public readonly OrderMessageFinalModel OrderMessageSenderModel;
-        public readonly BalanceMessageFinalModel BalanceMessageSenderModel;
-        public readonly AccountMessageFinalModel AccountMessageSenderModel;
+        private OrderMessageFinalModel _orderMessageSenderModel;
+        public OrderMessageFinalModel OrderMessageSenderModel => _orderMessageSenderModel ?? (_orderMessageSenderModel = new OrderMessageFinalModel(SendBuffer));
+        private BalanceMessageFinalModel _balanceMessageSenderModel;
+        public BalanceMessageFinalModel BalanceMessageSenderModel => _balanceMessageSenderModel ?? (_balanceMessageSenderModel = new BalanceMessageFinalModel(SendBuffer));
+        private AccountMessageFinalModel _accountMessageSenderModel;
+        public AccountMessageFinalModel AccountMessageSenderModel => _accountMessageSenderModel ?? (_accountMessageSenderModel = new AccountMessageFinalModel(SendBuffer));
 
         // Client receiver values accessors
         private global::com.chronoxor.proto.OrderMessage OrderMessageReceiverValue;
@@ -5472,33 +5436,18 @@ public class FinalClient : com.chronoxor.FBE.Client, IFinalClientListener
         private global::com.chronoxor.proto.AccountMessage AccountMessageReceiverValue;
 
         // Client receiver models accessors
-        private readonly OrderMessageFinalModel OrderMessageReceiverModel;
-        private readonly BalanceMessageFinalModel BalanceMessageReceiverModel;
-        private readonly AccountMessageFinalModel AccountMessageReceiverModel;
+        private OrderMessageFinalModel _orderMessageReceiverModel;
+        private OrderMessageFinalModel OrderMessageReceiverModel => _orderMessageReceiverModel ?? (_orderMessageReceiverModel = new OrderMessageFinalModel());
+        private BalanceMessageFinalModel _balanceMessageReceiverModel;
+        private BalanceMessageFinalModel BalanceMessageReceiverModel => _balanceMessageReceiverModel ?? (_balanceMessageReceiverModel = new BalanceMessageFinalModel());
+        private AccountMessageFinalModel _accountMessageReceiverModel;
+        private AccountMessageFinalModel AccountMessageReceiverModel => _accountMessageReceiverModel ?? (_accountMessageReceiverModel = new AccountMessageFinalModel());
 
         public FinalClient() : base(true)
         {
-            OrderMessageSenderModel = new OrderMessageFinalModel(SendBuffer);
-            OrderMessageReceiverValue = global::com.chronoxor.proto.OrderMessage.Default;
-            OrderMessageReceiverModel = new OrderMessageFinalModel();
-            BalanceMessageSenderModel = new BalanceMessageFinalModel(SendBuffer);
-            BalanceMessageReceiverValue = global::com.chronoxor.proto.BalanceMessage.Default;
-            BalanceMessageReceiverModel = new BalanceMessageFinalModel();
-            AccountMessageSenderModel = new AccountMessageFinalModel(SendBuffer);
-            AccountMessageReceiverValue = global::com.chronoxor.proto.AccountMessage.Default;
-            AccountMessageReceiverModel = new AccountMessageFinalModel();
         }
         public FinalClient(com.chronoxor.FBE.Buffer sendBuffer, com.chronoxor.FBE.Buffer receiveBuffer) : base(sendBuffer, receiveBuffer, true)
         {
-            OrderMessageSenderModel = new OrderMessageFinalModel(SendBuffer);
-            OrderMessageReceiverValue = global::com.chronoxor.proto.OrderMessage.Default;
-            OrderMessageReceiverModel = new OrderMessageFinalModel();
-            BalanceMessageSenderModel = new BalanceMessageFinalModel(SendBuffer);
-            BalanceMessageReceiverValue = global::com.chronoxor.proto.BalanceMessage.Default;
-            BalanceMessageReceiverModel = new BalanceMessageFinalModel();
-            AccountMessageSenderModel = new AccountMessageFinalModel(SendBuffer);
-            AccountMessageReceiverValue = global::com.chronoxor.proto.AccountMessage.Default;
-            AccountMessageReceiverModel = new AccountMessageFinalModel();
         }
 
         public long Send(object obj) { return SendListener(this, obj); }
diff --git a/projects/CSharp/Proto/com.chronoxor.protoex.cs b/projects/CSharp/Proto/com.chronoxor.protoex.cs
index 7e747b668..359f8bd79 100644
--- a/projects/CSharp/Proto/com.chronoxor.protoex.cs
+++ b/projects/CSharp/Proto/com.chronoxor.protoex.cs
@@ -4820,23 +4820,20 @@ public class Sender : com.chronoxor.FBE.Sender, ISenderListener
         public readonly proto.FBE.Sender protoSender;
 
         // Sender models accessors
-        public readonly OrderMessageModel OrderMessageModel;
-        public readonly BalanceMessageModel BalanceMessageModel;
-        public readonly AccountMessageModel AccountMessageModel;
+        private OrderMessageModel _orderMessageModel;
+        public OrderMessageModel OrderMessageModel => _orderMessageModel ?? (_orderMessageModel = new OrderMessageModel(Buffer));
+        private BalanceMessageModel _balanceMessageModel;
+        public BalanceMessageModel BalanceMessageModel => _balanceMessageModel ?? (_balanceMessageModel = new BalanceMessageModel(Buffer));
+        private AccountMessageModel _accountMessageModel;
+        public AccountMessageModel AccountMessageModel => _accountMessageModel ?? (_accountMessageModel = new AccountMessageModel(Buffer));
 
         public Sender() : base(false)
         {
             protoSender = new proto.FBE.Sender(Buffer);
-            OrderMessageModel = new OrderMessageModel(Buffer);
-            BalanceMessageModel = new BalanceMessageModel(Buffer);
-            AccountMessageModel = new AccountMessageModel(Buffer);
         }
         public Sender(com.chronoxor.FBE.Buffer buffer) : base(buffer, false)
         {
             protoSender = new proto.FBE.Sender(Buffer);
-            OrderMessageModel = new OrderMessageModel(Buffer);
-            BalanceMessageModel = new BalanceMessageModel(Buffer);
-            AccountMessageModel = new AccountMessageModel(Buffer);
         }
 
         public long Send(object obj) { return SendListener(this, obj); }
@@ -4939,29 +4936,20 @@ public class Receiver : com.chronoxor.FBE.Receiver, IReceiverListener
         private global::com.chronoxor.protoex.AccountMessage AccountMessageValue;
 
         // Receiver models accessors
-        private readonly OrderMessageModel OrderMessageModel;
-        private readonly BalanceMessageModel BalanceMessageModel;
-        private readonly AccountMessageModel AccountMessageModel;
+        private OrderMessageModel _orderMessageModel;
+        private OrderMessageModel OrderMessageModel => _orderMessageModel ?? (_orderMessageModel = new OrderMessageModel());
+        private BalanceMessageModel _balanceMessageModel;
+        private BalanceMessageModel BalanceMessageModel => _balanceMessageModel ?? (_balanceMessageModel = new BalanceMessageModel());
+        private AccountMessageModel _accountMessageModel;
+        private AccountMessageModel AccountMessageModel => _accountMessageModel ?? (_accountMessageModel = new AccountMessageModel());
 
         public Receiver() : base(false)
         {
             protoReceiver = new proto.FBE.Receiver(Buffer);
-            OrderMessageValue = global::com.chronoxor.protoex.OrderMessage.Default;
-            OrderMessageModel = new OrderMessageModel();
-            BalanceMessageValue = global::com.chronoxor.protoex.BalanceMessage.Default;
-            BalanceMessageModel = new BalanceMessageModel();
-            AccountMessageValue = global::com.chronoxor.protoex.AccountMessage.Default;
-            AccountMessageModel = new AccountMessageModel();
         }
         public Receiver(com.chronoxor.FBE.Buffer buffer) : base(buffer, false)
         {
             protoReceiver = new proto.FBE.Receiver(Buffer);
-            OrderMessageValue = global::com.chronoxor.protoex.OrderMessage.Default;
-            OrderMessageModel = new OrderMessageModel();
-            BalanceMessageValue = global::com.chronoxor.protoex.BalanceMessage.Default;
-            BalanceMessageModel = new BalanceMessageModel();
-            AccountMessageValue = global::com.chronoxor.protoex.AccountMessage.Default;
-            AccountMessageModel = new AccountMessageModel();
         }
 
         internal override bool OnReceive(long type, byte[] buffer, long offset, long size) { return OnReceiveListener(this, type, buffer, offset, size); }
@@ -5056,23 +5044,20 @@ public class Proxy : com.chronoxor.FBE.Receiver, IProxyListener
         public proto.FBE.Proxy protoProxy;
 
         // Proxy models accessors
-        private readonly OrderMessageModel OrderMessageModel;
-        private readonly BalanceMessageModel BalanceMessageModel;
-        private readonly AccountMessageModel AccountMessageModel;
+        private OrderMessageModel _orderMessageModel;
+        private OrderMessageModel OrderMessageModel => _orderMessageModel ?? (_orderMessageModel = new OrderMessageModel());
+        private BalanceMessageModel _balanceMessageModel;
+        private BalanceMessageModel BalanceMessageModel => _balanceMessageModel ?? (_balanceMessageModel = new BalanceMessageModel());
+        private AccountMessageModel _accountMessageModel;
+        private AccountMessageModel AccountMessageModel => _accountMessageModel ?? (_accountMessageModel = new AccountMessageModel());
 
         public Proxy() : base(false)
         {
             protoProxy = new proto.FBE.Proxy(Buffer);
-            OrderMessageModel = new OrderMessageModel();
-            BalanceMessageModel = new BalanceMessageModel();
-            AccountMessageModel = new AccountMessageModel();
         }
         public Proxy(com.chronoxor.FBE.Buffer buffer) : base(buffer, false)
         {
             protoProxy = new proto.FBE.Proxy(Buffer);
-            OrderMessageModel = new OrderMessageModel();
-            BalanceMessageModel = new BalanceMessageModel();
-            AccountMessageModel = new AccountMessageModel();
         }
 
         internal override bool OnReceive(long type, byte[] buffer, long offset, long size) { return OnReceiveListener(this, type, buffer, offset, size); }
@@ -5148,9 +5133,12 @@ public class Client : com.chronoxor.FBE.Client, IClientListener
         public readonly proto.FBE.Client protoClient;
 
         // Client sender models accessors
-        public readonly OrderMessageModel OrderMessageSenderModel;
-        public readonly BalanceMessageModel BalanceMessageSenderModel;
-        public readonly AccountMessageModel AccountMessageSenderModel;
+        private OrderMessageModel _orderMessageSenderModel;
+        public OrderMessageModel OrderMessageSenderModel => _orderMessageSenderModel ?? (_orderMessageSenderModel = new OrderMessageModel(SendBuffer));
+        private BalanceMessageModel _balanceMessageSenderModel;
+        public BalanceMessageModel BalanceMessageSenderModel => _balanceMessageSenderModel ?? (_balanceMessageSenderModel = new BalanceMessageModel(SendBuffer));
+        private AccountMessageModel _accountMessageSenderModel;
+        public AccountMessageModel AccountMessageSenderModel => _accountMessageSenderModel ?? (_accountMessageSenderModel = new AccountMessageModel(SendBuffer));
 
         // Client receiver values accessors
         private global::com.chronoxor.protoex.OrderMessage OrderMessageReceiverValue;
@@ -5158,35 +5146,20 @@ public class Client : com.chronoxor.FBE.Client, IClientListener
         private global::com.chronoxor.protoex.AccountMessage AccountMessageReceiverValue;
 
         // Client receiver models accessors
-        private readonly OrderMessageModel OrderMessageReceiverModel;
-        private readonly BalanceMessageModel BalanceMessageReceiverModel;
-        private readonly AccountMessageModel AccountMessageReceiverModel;
+        private OrderMessageModel _orderMessageReceiverModel;
+        private OrderMessageModel OrderMessageReceiverModel => _orderMessageReceiverModel ?? (_orderMessageReceiverModel = new OrderMessageModel());
+        private BalanceMessageModel _balanceMessageReceiverModel;
+        private BalanceMessageModel BalanceMessageReceiverModel => _balanceMessageReceiverModel ?? (_balanceMessageReceiverModel = new BalanceMessageModel());
+        private AccountMessageModel _accountMessageReceiverModel;
+        private AccountMessageModel AccountMessageReceiverModel => _accountMessageReceiverModel ?? (_accountMessageReceiverModel = new AccountMessageModel());
 
         public Client() : base(false)
         {
             protoClient = new proto.FBE.Client(SendBuffer, ReceiveBuffer);
-            OrderMessageSenderModel = new OrderMessageModel(SendBuffer);
-            OrderMessageReceiverValue = global::com.chronoxor.protoex.OrderMessage.Default;
-            OrderMessageReceiverModel = new OrderMessageModel();
-            BalanceMessageSenderModel = new BalanceMessageModel(SendBuffer);
-            BalanceMessageReceiverValue = global::com.chronoxor.protoex.BalanceMessage.Default;
-            BalanceMessageReceiverModel = new BalanceMessageModel();
-            AccountMessageSenderModel = new AccountMessageModel(SendBuffer);
-            AccountMessageReceiverValue = global::com.chronoxor.protoex.AccountMessage.Default;
-            AccountMessageReceiverModel = new AccountMessageModel();
         }
         public Client(com.chronoxor.FBE.Buffer sendBuffer, com.chronoxor.FBE.Buffer receiveBuffer) : base(sendBuffer, receiveBuffer, false)
         {
             protoClient = new proto.FBE.Client(SendBuffer, ReceiveBuffer);
-            OrderMessageSenderModel = new OrderMessageModel(SendBuffer);
-            OrderMessageReceiverValue = global::com.chronoxor.protoex.OrderMessage.Default;
-            OrderMessageReceiverModel = new OrderMessageModel();
-            BalanceMessageSenderModel = new BalanceMessageModel(SendBuffer);
-            BalanceMessageReceiverValue = global::com.chronoxor.protoex.BalanceMessage.Default;
-            BalanceMessageReceiverModel = new BalanceMessageModel();
-            AccountMessageSenderModel = new AccountMessageModel(SendBuffer);
-            AccountMessageReceiverValue = global::com.chronoxor.protoex.AccountMessage.Default;
-            AccountMessageReceiverModel = new AccountMessageModel();
         }
 
         public long Send(object obj) { return SendListener(this, obj); }
@@ -5402,23 +5375,20 @@ public class FinalSender : com.chronoxor.FBE.Sender, IFinalSenderListener
         public readonly proto.FBE.FinalSender protoSender;
 
         // Sender models accessors
-        public readonly OrderMessageFinalModel OrderMessageModel;
-        public readonly BalanceMessageFinalModel BalanceMessageModel;
-        public readonly AccountMessageFinalModel AccountMessageModel;
+        private OrderMessageFinalModel _orderMessageModel;
+        public OrderMessageFinalModel OrderMessageModel => _orderMessageModel ?? (_orderMessageModel = new OrderMessageFinalModel(Buffer));
+        private BalanceMessageFinalModel _balanceMessageModel;
+        public BalanceMessageFinalModel BalanceMessageModel => _balanceMessageModel ?? (_balanceMessageModel = new BalanceMessageFinalModel(Buffer));
+        private AccountMessageFinalModel _accountMessageModel;
+        public AccountMessageFinalModel AccountMessageModel => _accountMessageModel ?? (_accountMessageModel = new AccountMessageFinalModel(Buffer));
 
         public FinalSender() : base(true)
         {
             protoSender = new proto.FBE.FinalSender(Buffer);
-            OrderMessageModel = new OrderMessageFinalModel(Buffer);
-            BalanceMessageModel = new BalanceMessageFinalModel(Buffer);
-            AccountMessageModel = new AccountMessageFinalModel(Buffer);
         }
         public FinalSender(com.chronoxor.FBE.Buffer buffer) : base(buffer, true)
         {
             protoSender = new proto.FBE.FinalSender(Buffer);
-            OrderMessageModel = new OrderMessageFinalModel(Buffer);
-            BalanceMessageModel = new BalanceMessageFinalModel(Buffer);
-            AccountMessageModel = new AccountMessageFinalModel(Buffer);
         }
 
         public long Send(object obj) { return SendListener(this, obj); }
@@ -5521,29 +5491,20 @@ public class FinalReceiver : com.chronoxor.FBE.Receiver, IFinalReceiverListener
         private global::com.chronoxor.protoex.AccountMessage AccountMessageValue;
 
         // Receiver models accessors
-        private readonly OrderMessageFinalModel OrderMessageModel;
-        private readonly BalanceMessageFinalModel BalanceMessageModel;
-        private readonly AccountMessageFinalModel AccountMessageModel;
+        private OrderMessageFinalModel _orderMessageModel;
+        private OrderMessageFinalModel OrderMessageModel => _orderMessageModel ?? (_orderMessageModel = new OrderMessageFinalModel());
+        private BalanceMessageFinalModel _balanceMessageModel;
+        private BalanceMessageFinalModel BalanceMessageModel => _balanceMessageModel ?? (_balanceMessageModel = new BalanceMessageFinalModel());
+        private AccountMessageFinalModel _accountMessageModel;
+        private AccountMessageFinalModel AccountMessageModel => _accountMessageModel ?? (_accountMessageModel = new AccountMessageFinalModel());
 
         public FinalReceiver() : base(true)
         {
             protoReceiver = new proto.FBE.FinalReceiver(Buffer);
-            OrderMessageValue = global::com.chronoxor.protoex.OrderMessage.Default;
-            OrderMessageModel = new OrderMessageFinalModel();
-            BalanceMessageValue = global::com.chronoxor.protoex.BalanceMessage.Default;
-            BalanceMessageModel = new BalanceMessageFinalModel();
-            AccountMessageValue = global::com.chronoxor.protoex.AccountMessage.Default;
-            AccountMessageModel = new AccountMessageFinalModel();
         }
         public FinalReceiver(com.chronoxor.FBE.Buffer buffer) : base(buffer, true)
         {
             protoReceiver = new proto.FBE.FinalReceiver(Buffer);
-            OrderMessageValue = global::com.chronoxor.protoex.OrderMessage.Default;
-            OrderMessageModel = new OrderMessageFinalModel();
-            BalanceMessageValue = global::com.chronoxor.protoex.BalanceMessage.Default;
-            BalanceMessageModel = new BalanceMessageFinalModel();
-            AccountMessageValue = global::com.chronoxor.protoex.AccountMessage.Default;
-            AccountMessageModel = new AccountMessageFinalModel();
         }
 
         internal override bool OnReceive(long type, byte[] buffer, long offset, long size) { return OnReceiveListener(this, type, buffer, offset, size); }
@@ -5634,9 +5595,12 @@ public class FinalClient : com.chronoxor.FBE.Client, IFinalClientListener
         public readonly proto.FBE.FinalClient protoClient;
 
         // Client sender models accessors
-        public readonly OrderMessageFinalModel OrderMessageSenderModel;
-        public readonly BalanceMessageFinalModel BalanceMessageSenderModel;
-        public readonly AccountMessageFinalModel AccountMessageSenderModel;
+        private OrderMessageFinalModel _orderMessageSenderModel;
+        public OrderMessageFinalModel OrderMessageSenderModel => _orderMessageSenderModel ?? (_orderMessageSenderModel = new OrderMessageFinalModel(SendBuffer));
+        private BalanceMessageFinalModel _balanceMessageSenderModel;
+        public BalanceMessageFinalModel BalanceMessageSenderModel => _balanceMessageSenderModel ?? (_balanceMessageSenderModel = new BalanceMessageFinalModel(SendBuffer));
+        private AccountMessageFinalModel _accountMessageSenderModel;
+        public AccountMessageFinalModel AccountMessageSenderModel => _accountMessageSenderModel ?? (_accountMessageSenderModel = new AccountMessageFinalModel(SendBuffer));
 
         // Client receiver values accessors
         private global::com.chronoxor.protoex.OrderMessage OrderMessageReceiverValue;
@@ -5644,35 +5608,20 @@ public class FinalClient : com.chronoxor.FBE.Client, IFinalClientListener
         private global::com.chronoxor.protoex.AccountMessage AccountMessageReceiverValue;
 
         // Client receiver models accessors
-        private readonly OrderMessageFinalModel OrderMessageReceiverModel;
-        private readonly BalanceMessageFinalModel BalanceMessageReceiverModel;
-        private readonly AccountMessageFinalModel AccountMessageReceiverModel;
+        private OrderMessageFinalModel _orderMessageReceiverModel;
+        private OrderMessageFinalModel OrderMessageReceiverModel => _orderMessageReceiverModel ?? (_orderMessageReceiverModel = new OrderMessageFinalModel());
+        private BalanceMessageFinalModel _balanceMessageReceiverModel;
+        private BalanceMessageFinalModel BalanceMessageReceiverModel => _balanceMessageReceiverModel ?? (_balanceMessageReceiverModel = new BalanceMessageFinalModel());
+        private AccountMessageFinalModel _accountMessageReceiverModel;
+        private AccountMessageFinalModel AccountMessageReceiverModel => _accountMessageReceiverModel ?? (_accountMessageReceiverModel = new AccountMessageFinalModel());
 
         public FinalClient() : base(true)
         {
             protoClient = new proto.FBE.FinalClient(SendBuffer, ReceiveBuffer);
-            OrderMessageSenderModel = new OrderMessageFinalModel(SendBuffer);
-            OrderMessageReceiverValue = global::com.chronoxor.protoex.OrderMessage.Default;
-            OrderMessageReceiverModel = new OrderMessageFinalModel();
-            BalanceMessageSenderModel = new BalanceMessageFinalModel(SendBuffer);
-            BalanceMessageReceiverValue = global::com.chronoxor.protoex.BalanceMessage.Default;
-            BalanceMessageReceiverModel = new BalanceMessageFinalModel();
-            AccountMessageSenderModel = new AccountMessageFinalModel(SendBuffer);
-            AccountMessageReceiverValue = global::com.chronoxor.protoex.AccountMessage.Default;
-            AccountMessageReceiverModel = new AccountMessageFinalModel();
         }
         public FinalClient(com.chronoxor.FBE.Buffer sendBuffer, com.chronoxor.FBE.Buffer receiveBuffer) : base(sendBuffer, receiveBuffer, true)
         {
             protoClient = new proto.FBE.FinalClient(SendBuffer, ReceiveBuffer);
-            OrderMessageSenderModel = new OrderMessageFinalModel(SendBuffer);
-            OrderMessageReceiverValue = global::com.chronoxor.protoex.OrderMessage.Default;
-            OrderMessageReceiverModel = new OrderMessageFinalModel();
-            BalanceMessageSenderModel = new BalanceMessageFinalModel(SendBuffer);
-            BalanceMessageReceiverValue = global::com.chronoxor.protoex.BalanceMessage.Default;
-            BalanceMessageReceiverModel = new BalanceMessageFinalModel();
-            AccountMessageSenderModel = new AccountMessageFinalModel(SendBuffer);
-            AccountMessageReceiverValue = global::com.chronoxor.protoex.AccountMessage.Default;
-            AccountMessageReceiverModel = new AccountMessageFinalModel();
         }
 
         public long Send(object obj) { return SendListener(this, obj); }
diff --git a/source/generator_csharp.cpp b/source/generator_csharp.cpp
index 533dfb6bf..d069d0a4a 100644
--- a/source/generator_csharp.cpp
+++ b/source/generator_csharp.cpp
@@ -6696,13 +6696,21 @@ void GeneratorCSharp::GenerateSender(const std::string& domain, const std::share
         WriteLine();
     }
 
-    // Generate sender models accessors
+    // Generate sender models accessors, each model created on the first send of its message:
+    // creating all of them in the constructor makes the JIT compile every model of the protocol
+    // before the first message goes out, whichever messages the process will actually use
     if (p->body)
     {
         WriteLineIndent("// Sender models accessors");
         for (const auto& s : p->body->structs)
+        {
             if (s->message)
-                WriteLineIndent("public readonly " + *s->name + model + " " + *s->name + "Model;");
+            {
+                std::string field = "_" + ConvertToLower(*s->name) + "Model";
+                WriteLineIndent("private " + *s->name + model + " " + field + ";");
+                WriteLineIndent("public " + *s->name + model + " " + *s->name + "Model => " + field + " ?? (" + field + " = new " + *s->name + model + "(Buffer));");
+            }
+        }
         WriteLine();
     }
 
@@ -6715,12 +6723,6 @@ void GeneratorCSharp::GenerateSender(const std::string& domain, const std::share
         for (const auto& import : p->import->imports)
             WriteLineIndent(*import + "Sender = new " + *import + ".FBE." + sender + "(Buffer);");
     }
-    if (p->body)
-    {
-        for (const auto& s : p->body->structs)
-            if (s->message)
-                WriteLineIndent(*s->name + "Model = new " + *s->name + model + "(Buffer);");
-    }
     Indent(-1);
     WriteLineIndent("}");
     WriteLineIndent("public " + sender + "(" + domain + "FBE.Buffer buffer) : base(buffer, " + std::string(final ? "true" : "false") + ")");
@@ -6731,12 +6733,6 @@ void GeneratorCSharp::GenerateSender(const std::string& domain, const std::share
         for (const auto& import : p->import->imports)
             WriteLineIndent(*import + "Sender = new " + *import + ".FBE." + sender + "(Buffer);");
     }
-    if (p->body)
-    {
-        for (const auto& s : p->body->structs)
-            if (s->message)
-                WriteLineIndent(*s->name + "Model = new " + *s->name + model + "(Buffer);");
-    }
     Indent(-1);
     WriteLineIndent("}");
     WriteLine();
@@ -6912,8 +6908,14 @@ void GeneratorCSharp::GenerateReceiver(const std::string& domain, const std::sha
         WriteLine();
         WriteLineIndent("// Receiver models accessors");
         for (const auto& s : p->body->structs)
+        {
             if (s->message)
-                WriteLineIndent("private readonly " + *s->name + model + " " + *s->name + "Model;");
+            {
+                std::string field = "_" + ConvertToLower(*s->name) + "Model";
+                WriteLineIndent("private " + *s->name + model + " " + field + ";");
+                WriteLineIndent("private " + *s->name + model + " " + *s->name + "Model => " + field + " ?? (" + field + " = new " + *s->name + model + "());");
+            }
+        }
         WriteLine();
     }
 
@@ -6926,18 +6928,6 @@ void GeneratorCSharp::GenerateReceiver(const std::string& domain, const std::sha
         for (const auto& import : p->import->imports)
             WriteLineIndent(*import + "Receiver = new " + *import + ".FBE." + receiver + "(Buffer);");
     }
-    if (p->body)
-    {
-        for (const auto& s : p->body->structs)
-        {
-            if (s->message)
-            {
-                std::string struct_name = ConvertTypeName(domain, *p->name, *s->name, false);
-                WriteLineIndent(*s->name + "Value = " + struct_name + ".Default;");
-                WriteLineIndent(*s->name + "Model = new " + *s->name + model + "();");
-            }
-        }
-    }
     Indent(-1);
     WriteLineIndent("}");
     WriteLineIndent("public " + receiver + "(" + domain + "FBE.Buffer buffer) : base(buffer, " + std::string(final ? "true" : "false") + ")");
@@ -6948,18 +6938,6 @@ void GeneratorCSharp::GenerateReceiver(const std::string& domain, const std::sha
         for (const auto& import : p->import->imports)
             WriteLineIndent(*import + "Receiver = new " + *import + ".FBE." + receiver + "(Buffer);");
     }
-    if (p->body)
-    {
-        for (const auto& s : p->body->structs)
-        {
-            if (s->message)
-            {
-                std::string struct_name = ConvertTypeName(domain, *p->name, *s->name, false);
-                WriteLineIndent(*s->name + "Value = " + struct_name + ".Default;");
-                WriteLineIndent(*s->name + "Model = new " + *s->name + model + "();");
-            }
-        }
-    }
     Indent(-1);
     WriteLineIndent("}");
     WriteLine();
@@ -7109,8 +7087,14 @@ void GeneratorCSharp::GenerateProxy(const std::string& domain, const std::shared
     {
         WriteLineIndent("// Proxy models accessors");
         for (const auto& s : p->body->structs)
+        {
             if (s->message)
-                WriteLineIndent("private readonly " + *s->name + model + " " + *s->name + "Model;");
+            {
+                std::string field = "_" + ConvertToLower(*s->name) + "Model";
+                WriteLineIndent("private " + *s->name + model + " " + field + ";");
+                WriteLineIndent("private " + *s->name + model + " " + *s->name + "Model => " + field + " ?? (" + field + " = new " + *s->name + model + "());");
+            }
+        }
         WriteLine();
     }
 
@@ -7123,12 +7107,6 @@ void GeneratorCSharp::GenerateProxy(const std::string& domain, const std::shared
         for (const auto& import : p->import->imports)
             WriteLineIndent(*import + "Proxy = new " + *import + ".FBE." + proxy + "(Buffer);");
     }
-    if (p->body)
-    {
-        for (const auto& s : p->body->structs)
-            if (s->message)
-                WriteLineIndent(*s->name + "Model = new " + *s->name + model + "();");
-    }
     Indent(-1);
     WriteLineIndent("}");
     WriteLineIndent("public " + proxy + "(" + domain + "FBE.Buffer buffer) : base(buffer, " + std::string(final ? "true" : "false") + ")");
@@ -7139,12 +7117,6 @@ void GeneratorCSharp::GenerateProxy(const std::string& domain, const std::shared
         for (const auto& import : p->import->imports)
             WriteLineIndent(*import + "Proxy = new " + *import + ".FBE." + proxy + "(Buffer);");
     }
-    if (p->body)
-    {
-        for (const auto& s : p->body->structs)
-            if (s->message)
-                WriteLineIndent(*s->name + "Model = new " + *s->name + model + "();");
-    }
     Indent(-1);
     WriteLineIndent("}");
     WriteLine();
@@ -7280,8 +7252,14 @@ void GeneratorCSharp::GenerateClient(const std::string& domain, const std::share
     {
         WriteLineIndent("// Client sender models accessors");
         for (const auto& s : p->body->structs)
+        {
             if (s->message)
-                WriteLineIndent("public readonly " + *s->name + model + " " + *s->name + "SenderModel;");
+            {
+                std::string field = "_" + ConvertToLower(*s->name) + "SenderModel";
+                WriteLineIndent("private " + *s->name + model + " " + field + ";");
+                WriteLineIndent("public " + *s->name + model + " " + *s->name + "SenderModel => " + field + " ?? (" + field + " = new " + *s->name + model + "(SendBuffer));");
+            }
+        }
         WriteLine();
     }
 
@@ -7300,8 +7278,14 @@ void GeneratorCSharp::GenerateClient(const std::string& domain, const std::share
         WriteLine();
         WriteLineIndent("// Client receiver models accessors");
         for (const auto& s : p->body->structs)
+        {
             if (s->message)
-                WriteLineIndent("private readonly " + *s->name + model + " " + *s->name + "ReceiverModel;");
+            {
+                std::string field = "_" + ConvertToLower(*s->name) + "ReceiverModel";
+                WriteLineIndent("private " + *s->name + model + " " + field + ";");
+                WriteLineIndent("private " + *s->name + model + " " + *s->name + "ReceiverModel => " + field + " ?? (" + field + " = new " + *s->name + model + "());");
+            }
+        }
         WriteLine();
     }
 
@@ -7351,19 +7335,6 @@ void GeneratorCSharp::GenerateClient(const std::string& domain, const std::share
     if (p->import)
         for (const auto& import : p->import->imports)
             WriteLineIndent(*import + "Client = new " + *import + ".FBE." + client + "(SendBuffer, ReceiveBuffer);");
-    if (p->body)
-    {
-        for (const auto& s : p->body->structs)
-        {
-            if (s->message)
-            {
-                std::string struct_name = ConvertTypeName(domain, *p->name, *s->name, false);
-                WriteLineIndent(*s->name + "SenderModel = new " + *s->name + model + "(SendBuffer);");
-                WriteLineIndent(*s->name + "ReceiverValue = " + struct_name + ".Default;");
-                WriteLineIndent(*s->name + "ReceiverModel = new " + *s->name + model + "();");
-            }
-        }
-    }
     if (!responses.empty())
     {
         for (const auto& response : responses)
@@ -7384,19 +7355,6 @@ void GeneratorCSharp::GenerateClient(const std::string& domain, const std::share
     if (p->import)
         for (const auto& import : p->import->imports)
             WriteLineIndent(*import + "Client = new " + *import + ".FBE." + client + "(SendBuffer, ReceiveBuffer);");
-    if (p->body)
-    {
-        for (const auto& s : p->body->structs)
-        {
-            if (s->message)
-            {
-                std::string struct_name = ConvertTypeName(domain, *p->name, *s->name, false);
-                WriteLineIndent(*s->name + "SenderModel = new " + *s->name + model + "(SendBuffer);");
-                WriteLineIndent(*s->name + "ReceiverValue = " + struct_name + ".Default;");
-                WriteLineIndent(*s->name + "ReceiverModel = new " + *s->name + model + "();");
-            }
-        }
-    }
     if (!responses.empty())
     {
         for (const auto& response : responses)
@@ -8082,6 +8040,13 @@ bool GeneratorCSharp::IsReferenceType(const std::string& type)
     return ((type == "bytes") || (type == "string"));
 }
 
+std::string GeneratorCSharp::ConvertToLower(const std::string& type)
+{
+    std::string result = CppCommon::StringUtils::ToTrim(type);
+    result[0] = std::tolower(result[0]);
+    return result;
+}
+
 std::string GeneratorCSharp::ConvertEnumRead(const std::string& type)
 {
     if (type == "byte")