diff --git a/Samples/Chat.Core/ChatClient/.gitignore b/Samples/Chat.Core/ChatClient/.gitignore
new file mode 100644
index 00000000..c17e8d69
--- /dev/null
+++ b/Samples/Chat.Core/ChatClient/.gitignore
@@ -0,0 +1,339 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
+
+## Visual Studio Code specific files and folder
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.jsons
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+**/Properties/launchSettings.json
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Including strong name files can present a security risk
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+ServiceFabricBackup/
+*.rptproj.bak
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+*.rptproj.rsuser
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+# CodeRush
+.cr/
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+# Azure Stream Analytics local run output
+ASALocalRun/
+
+# MSBuild Binary and Structured Log
+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
+
+# MFractors (Xamarin productivity tool) working folder
+.mfractor/
+
+FodyWeavers.xsd
\ No newline at end of file
diff --git a/Samples/Chat.Core/ChatClient/App.xaml b/Samples/Chat.Core/ChatClient/App.xaml
new file mode 100644
index 00000000..5d2d7eba
--- /dev/null
+++ b/Samples/Chat.Core/ChatClient/App.xaml
@@ -0,0 +1,13 @@
+
+
+
+
+
+
+
+
+
+
diff --git a/Samples/Chat.Core/ChatClient/App.xaml.cs b/Samples/Chat.Core/ChatClient/App.xaml.cs
new file mode 100644
index 00000000..5af7d362
--- /dev/null
+++ b/Samples/Chat.Core/ChatClient/App.xaml.cs
@@ -0,0 +1,38 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Markup.Xaml;
+using ChatClient.ViewModels;
+using ChatClient.Views;
+
+namespace ChatClient
+{
+ public class App : Application
+ {
+ public override void Initialize()
+ {
+ AvaloniaXamlLoader.Load(this);
+ }
+
+ public override void OnFrameworkInitializationCompleted()
+ {
+ if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+ {
+ var viewModel = new MainWindowViewModel();
+ desktop.MainWindow = new MainWindow
+ {
+ DataContext = viewModel,
+ };
+
+ viewModel.Initialized();
+ desktop.Exit += (sender, args) =>
+ {
+ viewModel.Exiting();
+ };
+ desktop.ShutdownMode = ShutdownMode.OnMainWindowClose;
+ }
+
+ base.OnFrameworkInitializationCompleted();
+ }
+ }
+}
\ No newline at end of file
diff --git a/Samples/Chat.Core/ChatClient/Assets/avalonia-logo.ico b/Samples/Chat.Core/ChatClient/Assets/avalonia-logo.ico
new file mode 100644
index 00000000..da8d49ff
Binary files /dev/null and b/Samples/Chat.Core/ChatClient/Assets/avalonia-logo.ico differ
diff --git a/Samples/Chat.Core/ChatClient/ChatClient.csproj b/Samples/Chat.Core/ChatClient/ChatClient.csproj
new file mode 100644
index 00000000..b6c78d6d
--- /dev/null
+++ b/Samples/Chat.Core/ChatClient/ChatClient.csproj
@@ -0,0 +1,25 @@
+
+
+ WinExe
+ netcoreapp3.0
+
+
+
+ %(Filename)
+
+
+ Designer
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/Samples/Chat.Core/ChatClient/FodyWeavers.xml b/Samples/Chat.Core/ChatClient/FodyWeavers.xml
new file mode 100644
index 00000000..63fc1484
--- /dev/null
+++ b/Samples/Chat.Core/ChatClient/FodyWeavers.xml
@@ -0,0 +1,3 @@
+
+
+
\ No newline at end of file
diff --git a/Samples/Chat.Core/ChatClient/Program.cs b/Samples/Chat.Core/ChatClient/Program.cs
new file mode 100644
index 00000000..f8634ac9
--- /dev/null
+++ b/Samples/Chat.Core/ChatClient/Program.cs
@@ -0,0 +1,24 @@
+using System;
+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Logging.Serilog;
+using Avalonia.ReactiveUI;
+
+namespace ChatClient
+{
+ class Program
+ {
+ // Initialization code. Don't use any Avalonia, third-party APIs or any
+ // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
+ // yet and stuff might break.
+ public static void Main(string[] args) => BuildAvaloniaApp()
+ .StartWithClassicDesktopLifetime(args);
+
+ // Avalonia configuration, don't remove; also used by visual designer.
+ public static AppBuilder BuildAvaloniaApp()
+ => AppBuilder.Configure()
+ .UsePlatformDetect()
+ .LogToDebug()
+ .UseReactiveUI();
+ }
+}
diff --git a/Samples/Chat.Core/ChatClient/ViewLocator.cs b/Samples/Chat.Core/ChatClient/ViewLocator.cs
new file mode 100644
index 00000000..6a9cbedb
--- /dev/null
+++ b/Samples/Chat.Core/ChatClient/ViewLocator.cs
@@ -0,0 +1,35 @@
+// Copyright (c) The Avalonia Project. All rights reserved.
+// Licensed under the MIT license. See licence.md file in the project root for full license information.
+
+using System;
+using Avalonia.Controls;
+using Avalonia.Controls.Templates;
+using ChatClient.ViewModels;
+
+namespace ChatClient
+{
+ public class ViewLocator : IDataTemplate
+ {
+ public bool SupportsRecycling => false;
+
+ public IControl Build(object data)
+ {
+ var name = data.GetType().FullName.Replace("ViewModel", "View");
+ var type = Type.GetType(name);
+
+ if (type != null)
+ {
+ return (Control)Activator.CreateInstance(type);
+ }
+ else
+ {
+ return new TextBlock { Text = "Not Found: " + name };
+ }
+ }
+
+ public bool Match(object data)
+ {
+ return data is ViewModelBase;
+ }
+ }
+}
\ No newline at end of file
diff --git a/Samples/Chat.Core/ChatClient/ViewModels/MainWindowViewModel.cs b/Samples/Chat.Core/ChatClient/ViewModels/MainWindowViewModel.cs
new file mode 100644
index 00000000..95d92394
--- /dev/null
+++ b/Samples/Chat.Core/ChatClient/ViewModels/MainWindowViewModel.cs
@@ -0,0 +1,135 @@
+using System;
+using DynamicData;
+using DynamicData.Binding;
+using Lidgren.Network;
+using ReactiveUI;
+using ReactiveUI.Fody.Helpers;
+
+namespace ChatClient.ViewModels
+{
+ public class MainWindowViewModel : ViewModelBase
+ {
+ [Reactive] public string ConnectAddress { get; set; } = "localhost";
+ [Reactive] public string ConnectPort { get; set; } = "14242";
+ [Reactive] public string TextBox { get; set; } = "";
+
+ private readonly SourceList _messageList = new SourceList();
+ public IObservableCollection Messages { get; } = new ObservableCollectionExtended();
+
+ private NetClient _client;
+
+ public NetPeer NetPeer => _client;
+
+ [Reactive] public bool Connected { get; set; }
+ public string ConnectText => Connected ? "Disconnect" : "Connect";
+
+ public MainWindowViewModel()
+ {
+ _messageList
+ .Connect()
+ .Bind(Messages)
+ .Subscribe();
+
+ this.WhenAnyValue(p => p.Connected)
+ .Subscribe(_ =>
+ {
+ this.RaisePropertyChanged(nameof(ConnectText));
+ });
+ }
+
+ public void ConnectPressed()
+ {
+ if (Connected)
+ {
+ Connected = false;
+ _client.Shutdown("Bye");
+ }
+ else
+ {
+ int.TryParse(ConnectPort, out var port);
+ Connect(ConnectAddress, port);
+ Connected = true;
+ }
+ }
+
+ public void SendPressed()
+ {
+ var om = _client.CreateMessage(TextBox);
+ _client.SendMessage(om, NetDeliveryMethod.ReliableOrdered);
+ Output($"Sending '{TextBox}'");
+ _client.FlushSendQueue();
+ TextBox = "";
+ }
+
+ public void Initialized()
+ {
+ var config = new NetPeerConfiguration("chat")
+ {
+ AutoFlushSendQueue = false
+ };
+ _client = new NetClient(config);
+ _client.RegisterReceivedCallback(GotMessage);
+ }
+
+ private void GotMessage(object state)
+ {
+ NetIncomingMessage im;
+ while ((im = _client.ReadMessage()) != null)
+ {
+ // handle incoming message
+ switch (im.MessageType)
+ {
+ case NetIncomingMessageType.DebugMessage:
+ case NetIncomingMessageType.ErrorMessage:
+ case NetIncomingMessageType.WarningMessage:
+ case NetIncomingMessageType.VerboseDebugMessage:
+ var text = im.ReadString();
+ Output(text);
+ break;
+ case NetIncomingMessageType.StatusChanged:
+ var status = (NetConnectionStatus) im.ReadByte();
+
+ /*
+ if (status == NetConnectionStatus.Connected)
+ s_form.EnableInput();
+ else
+ s_form.DisableInput();
+
+ if (status == NetConnectionStatus.Disconnected)
+ s_form.button2.Text = "Connect";
+ */
+
+ var reason = im.ReadString();
+ Output($"{status}: {reason}");
+ break;
+ case NetIncomingMessageType.Data:
+ var chat = im.ReadString();
+ Output(chat);
+ break;
+ default:
+ Output($"Unhandled type: {im.MessageType} {im.LengthBytes} bytes");
+ break;
+ }
+
+ _client.Recycle(im);
+ }
+ }
+
+ private void Output(string text)
+ {
+ _messageList.Add(text);
+ }
+
+ public void Exiting()
+ {
+ _client?.Shutdown("Bye");
+ }
+
+ private void Connect(string host, int port)
+ {
+ _client.Start();
+ var hail = _client.CreateMessage("This is the hail message");
+ _client.Connect(host, port, hail);
+ }
+ }
+}
\ No newline at end of file
diff --git a/Samples/Chat.Core/ChatClient/ViewModels/ViewModelBase.cs b/Samples/Chat.Core/ChatClient/ViewModels/ViewModelBase.cs
new file mode 100644
index 00000000..a4850113
--- /dev/null
+++ b/Samples/Chat.Core/ChatClient/ViewModels/ViewModelBase.cs
@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using ReactiveUI;
+
+namespace ChatClient.ViewModels
+{
+ public class ViewModelBase : ReactiveObject
+ {
+ }
+}
diff --git a/Samples/Chat.Core/ChatClient/Views/MainWindow.xaml b/Samples/Chat.Core/ChatClient/Views/MainWindow.xaml
new file mode 100644
index 00000000..2f94457a
--- /dev/null
+++ b/Samples/Chat.Core/ChatClient/Views/MainWindow.xaml
@@ -0,0 +1,38 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/Samples/Chat.Core/ChatClient/Views/MainWindow.xaml.cs b/Samples/Chat.Core/ChatClient/Views/MainWindow.xaml.cs
new file mode 100644
index 00000000..59a3f587
--- /dev/null
+++ b/Samples/Chat.Core/ChatClient/Views/MainWindow.xaml.cs
@@ -0,0 +1,56 @@
+using Avalonia.Controls;
+using Avalonia.Input;
+using Avalonia.Markup.Xaml;
+using ChatClient.ViewModels;
+using ReactiveUI;
+using SamplesCommon.Core;
+
+namespace ChatClient.Views
+{
+ public class MainWindow : Window
+ {
+ private NetPeerSettingsWindow _settings;
+
+ public MainWindow()
+ {
+ InitializeComponent();
+
+ this.FindControl