Добавьте файлы проекта.

.old 2/dtlauncher-client-win/App.config

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+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8" />
+    </startup>
+</configuration>

.old 2/dtlauncher-client-win/App.xaml

@@ -0,0 +1,9 @@
+<Application x:Class="dtlauncher_client_win.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:dtlauncher_client_win"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>

.old 2/dtlauncher-client-win/App.xaml.cs

@@ -0,0 +1,11 @@
+using System.Windows;
+
+namespace dtlauncher_client_win
+{
+    /// <summary>
+    /// Логика взаимодействия для App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+}

.old 2/dtlauncher-client-win/LauncherWindow.xaml

@@ -0,0 +1,12 @@
+<Window x:Class="dtlauncher_client_win.LauncherWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:dtlauncher_client_win"
+        mc:Ignorable="d"
+        Title="LauncherWindow" Height="450" Width="800">
+    <Grid>
+        
+    </Grid>
+</Window>

.old 2/dtlauncher-client-win/LauncherWindow.xaml.cs

@@ -0,0 +1,46 @@
+using DTLib;
+using System;
+using System.Net;
+using System.Net.Sockets;
+using System.Windows;
+using static DTLib.NetWork;
+
+namespace dtlauncher_client_win
+{
+    /// <summary>
+    /// Логика взаимодействия для LauncherWindow.xaml
+    /// </summary>
+    public partial class LauncherWindow : Window
+    {
+        Socket socket;
+        string logfile;
+
+        public LauncherWindow(Socket _socket, string _logfile)
+        {
+            InitializeComponent();
+            socket = _socket;
+            logfile = _logfile;
+            NetWork.Log += Log;
+            //mainSocket.FSP_Download(new FSP_FileObject("share\\file.arc", "downloads\\file.arc"));
+        }
+
+        void Log(string msg)
+        {
+            msg = "[" + DateTime.Now.ToString() + "]: " + msg;
+            FileWork.Log(logfile, msg);
+            //LogBox.Text += msg;
+        }
+
+        void Log(string[] input)
+        {
+            if (input.Length % 2 == 0)
+            {
+                string str = "";
+                for (ushort i = 0; i < input.Length; i++)
+                    str += input[++i];
+                Log(str);
+            }
+            else throw new Exception("error in Log(): every text string must have color string before");
+        }
+    }
+}

.old 2/dtlauncher-client-win/LoginWindow.xaml

@@ -0,0 +1,37 @@
+<Window x:Class="dtlauncher_client_win.LoginWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:dtlauncher_client_win"
+        mc:Ignorable="d"
+        Title="DTLauncher login" Height="350" Width="500" Background="#FF232328" MinWidth="500" MinHeight="350">
+    <Grid ScrollViewer.VerticalScrollBarVisibility="Disabled" Margin="0" MinWidth="492" MinHeight="320">
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="1*"/>
+            <ColumnDefinition Width="20*"/>
+            <ColumnDefinition Width="1*"/>
+        </Grid.ColumnDefinitions>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="25*"/>
+            <RowDefinition Height="174*"/>
+            <RowDefinition Height="23*"/>
+            <RowDefinition Height="72*"/>
+            <RowDefinition Height="25*"/>
+        </Grid.RowDefinitions>
+        <Canvas Height="200" Margin="20,14,20,8" Width="450" HorizontalAlignment="Center" VerticalAlignment="Center" Grid.ColumnSpan="3" Grid.RowSpan="3">
+            <TextBox x:Name="LoginBox" HorizontalAlignment="Center" Height="30" TextWrapping="Wrap" Text="" VerticalAlignment="Center" Width="300" RenderTransformOrigin="0.534,-0.193" Background="#FF4B4B5A" Foreground="#FFF0F0F0" SelectionBrush="#FF2E628B" FontSize="17" BorderThickness="2" IsUndoEnabled="False" MaxLength="25" MaxLines="1" BorderBrush="#FFB1B3B8" MinWidth="300" MinHeight="29" Canvas.Left="130" Canvas.Top="21"/>
+            <PasswordBox x:Name="PasswBox" HorizontalAlignment="Center" VerticalAlignment="Center" Width="300" Height="30" FontSize="17" Background="#FF4B4B5A" Foreground="#FFF0F0F0" SelectionBrush="#FF2E628B" MaxLength="25" BorderThickness="2" BorderBrush="#FFB1B3B8" MinWidth="300" MinHeight="30" Canvas.Left="130" Canvas.Top="83"/>
+            <Label Content="login:" HorizontalAlignment="Center" VerticalAlignment="Center" Height="40" Width="90" Foreground="#FFF0F0F0" FontSize="20" FontWeight="Bold" RenderTransformOrigin="0.764,0.578" FontFamily="Unispace" MinWidth="74" MinHeight="40" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" Canvas.Left="34" Canvas.Top="17"/>
+            <Label Content="password:" HorizontalAlignment="Center" VerticalAlignment="Center" Height="40" Width="119" Foreground="#FFF0F0F0" FontSize="20" FontWeight="Bold" FontFamily="Unispace" MinHeight="40" MinWidth="111" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" Canvas.Left="1" Canvas.Top="77"/>
+            <Button x:Name="RegisterButton" Content="register" Width="117" Height="40" FontSize="20" FontWeight="Bold" BorderBrush="#FFB1B3B8" Foreground="#FFF0F0F0" Background="#FF4B4B5A" FontFamily="Unispace" BorderThickness="3" MinHeight="40" MinWidth="117" HorizontalAlignment="Center" VerticalAlignment="Center" Canvas.Left="71" Canvas.Top="138"/>
+            <Button x:Name="LoginButton" Content="login"  Width="117" Height="40" FontSize="20" FontWeight="Bold" BorderBrush="#FFB1B3B8" Foreground="#FFF0F0F0" Background="#FFB97523" FontFamily="Unispace" BorderThickness="3" MinHeight="40" MinWidth="117" HorizontalAlignment="Center" VerticalAlignment="Center" Canvas.Left="272" Canvas.Top="138"/>
+        </Canvas>
+        <Viewbox Grid.Row="3" Grid.Column="1" Stretch="Fill">
+            <Canvas Width="600" Height="100">
+                <TextBox x:Name="LogBox" Width="600" Height="100" TextWrapping="Wrap" Text="" Background="{x:Null}" BorderBrush="{x:Null}" Foreground="#FFF0F0F0" FontSize="18" SelectionBrush="#FF325F81" AcceptsReturn="True" IsReadOnly="True" IsUndoEnabled="False" HorizontalAlignment="Center" VerticalAlignment="Center" HorizontalContentAlignment="Stretch" VerticalContentAlignment="Stretch"/>
+            </Canvas>
+        </Viewbox>
+    </Grid>
+</Window>
+

.old 2/dtlauncher-client-win/LoginWindow.xaml.cs

@@ -0,0 +1,143 @@
+using DTLib;
+using System;
+using System.IO;
+using System.Net;
+using System.Net.Sockets;
+using System.Windows;
+using static DTLib.NetWork;
+
+namespace dtlauncher_client_win
+{
+    /// <summary>
+    /// Логика взаимодействия для LoginWindow.xaml
+    /// </summary>
+    public partial class LoginWindow : Window
+    {
+        public Socket mainSocket { private set; get; } = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
+        public string logfile { private set; get; } = $"logs\\client-{DateTime.Now}.log".Replace(':', '-').Replace(' ', '_');
+
+        public LoginWindow()
+        {
+            InitializeComponent();
+            try
+            {
+                FileWork.DirExistenceCheck("logs");
+                FileWork.DirExistenceCheck("downloads");
+                NetWork.Log += Log;
+                LoginButton.Click += Login;
+            RegisterButton.Click += Register;
+            Closed += CloseWindow;
+                Log("launcher is starting\n");
+                // подключение к серверу
+                mainSocket.Connect(new IPEndPoint(Dns.GetHostAddresses(
+                    FileWork.ReadFromConfig("client.cfg", "central server ip"))[0],
+                    Convert.ToInt32(FileWork.ReadFromConfig("client.cfg", "central server port"))));
+                mainSocket.ReceiveTimeout = 2000;
+                Log("connecting to the main server...");
+                string recieved = mainSocket.Request("new user connection try").ToStr();
+                if (recieved != "new user connection created")
+                    throw new Exception("can't connect to the main server");
+                Log("connected to the main server");
+                //NetWork.RequestServersList(mainSocket);
+            }
+            catch (Exception e)
+            {
+                Log("\nerror:\n" + e.Message + "\n" + e.StackTrace + '\n');
+            }
+        }
+
+        void Log(string msg)
+        {
+            msg = "[" + DateTime.Now.ToString() + "]: " + msg;
+            FileWork.Log(logfile, msg);
+            LogBox.Text += msg;
+        }
+
+        void Log(string[] input)
+        {
+            if (input.Length % 2 == 0)
+            {
+                string str = "";
+                for (ushort i = 0; i < input.Length; i++)
+                    str += input[++i];
+                Log(str);
+            }
+            else throw new Exception("error in Log(): every text string must have color string before");
+        }
+
+        void Register(object sender, EventArgs e)
+        {
+            try
+            {
+                string login = LoginBox.Text;
+                string password = PasswBox.Password;
+                string filename = $"register-{login}.req";
+
+                var hasher = new SecureHasher(256);
+                if (File.Exists(filename)) File.Delete(filename);
+                var writer = File.CreateText(filename);
+                writer.Write(login + "  $" +
+                    hasher.HashSaltCycled(password.ToBytes(), login.ToBytes(), 4096)
+                    .HashToString());
+                writer.Close();
+                Log($"request file created:{Directory.GetCurrentDirectory()}\\{filename}");
+            }
+            catch (Exception ex)
+            {
+                Log("registration error: " + ex.Message);
+            }
+        }
+
+        void Login(object sender, EventArgs e)
+        {
+            try
+            {
+                // пересоздание сокета
+                if (mainSocket.IsBound)
+                {
+                    mainSocket.Shutdown(SocketShutdown.Both);
+                    mainSocket.Close();
+                    mainSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
+                }
+
+                var hasher = new SecureHasher(256);
+                // подключение к серверу
+                mainSocket.Connect(new IPEndPoint(Dns.GetHostAddresses("m1net.keenetic.pro")[0], 20008));
+                mainSocket.ReceiveTimeout = 5000;
+
+                // авторизация
+                string login = LoginBox.Text;
+                string password = PasswBox.Password;
+
+                string recievedString = NetWork.Request(mainSocket, login).ToStr();
+                if (recievedString != "2e9b7473ce473cdbb9b9e68aa444f5146b1b415a05917aceecd3861804cc2fd8")
+                {
+                    throw new Exception("incorrect login\n");
+                }
+
+                recievedString = NetWork.Request(mainSocket,hasher.HashSaltCycled(password.ToBytes(), login.ToBytes(), 4096)).ToStr();
+                if (recievedString != "82c8e541601e0883ea189a285e514adfa6c2da05c83285359bbcf73bd3a8518b")
+                {
+                    throw new Exception("incorrect password");
+                }
+
+                Log("succesfully login\n");
+                var lauWin = new LauncherWindow(mainSocket, logfile);
+                //CloseSocket(null, null);
+                lauWin.Show();
+                Hide();
+                lauWin.Closed += CloseWindow;
+            }
+            catch (Exception ex)
+            {
+                Log("login error: " + ex.Message);
+            }
+        }
+
+        void CloseWindow(object sender, EventArgs e)
+        {
+            Log("DTchat was closed");
+            Close();
+        }
+    }
+}

.old 2/dtlauncher-client-win/Properties/AssemblyInfo.cs

@@ -0,0 +1,53 @@
+using System.Reflection;
+using System.Runtime.InteropServices;
+using System.Windows;
+
+// Общие сведения об этой сборке предоставляются следующим набором
+// набор атрибутов. Измените значения этих атрибутов, чтобы изменить сведения,
+// связанные со сборкой.
+[assembly: AssemblyTitle("dtlauncher-client-win")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("dtlauncher-client-win")]
+[assembly: AssemblyCopyright("Copyright ©  2021")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Установка значения False для параметра ComVisible делает типы в этой сборке невидимыми
+// для компонентов COM. Если необходимо обратиться к типу в этой сборке через
+// из модели COM, установите атрибут ComVisible для этого типа в значение true.
+[assembly: ComVisible(false)]
+
+//Чтобы начать создание локализуемых приложений, задайте
+//<UICulture>CultureYouAreCodingWith</UICulture> в файле .csproj
+//в <PropertyGroup>. Например, при использовании английского (США)
+//в своих исходных файлах установите <UICulture> в en-US.  Затем отмените преобразование в комментарий
+//атрибута NeutralResourceLanguage ниже.  Обновите "en-US" в
+//строка внизу для обеспечения соответствия настройки UICulture в файле проекта.
+
+//[assembly: NeutralResourcesLanguage("en-US", UltimateResourceFallbackLocation.Satellite)]
+
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None, //где расположены словари ресурсов по конкретным тематикам
+                                     //(используется, если ресурс не найден на странице,
+                                     // или в словарях ресурсов приложения)
+    ResourceDictionaryLocation.SourceAssembly //где расположен словарь универсальных ресурсов
+                                              //(используется, если ресурс не найден на странице,
+                                              // в приложении или в каких-либо словарях ресурсов для конкретной темы)
+)]
+
+
+// Сведения о версии для сборки включают четыре следующих значения:
+//
+//      Основной номер версии
+//      Дополнительный номер версии
+//      Номер сборки
+//      Номер редакции
+//
+// Можно задать все значения или принять номера сборки и редакции по умолчанию 
+// используя "*", как показано ниже:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

.old 2/dtlauncher-client-win/Properties/Resources.Designer.cs

@@ -0,0 +1,70 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Этот код был создан программным средством.
+//     Версия среды выполнения: 4.0.30319.42000
+//
+//     Изменения в этом файле могут привести к неправильному поведению и будут утрачены, если
+//     код создан повторно.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+
+namespace dtlauncher_client_win.Properties
+{
+    /// <summary>
+    ///   Класс ресурсов со строгим типом для поиска локализованных строк и пр.
+    /// </summary>
+    // Этот класс был автоматически создан при помощи StronglyTypedResourceBuilder
+    // класс с помощью таких средств, как ResGen или Visual Studio.
+    // Для добавления или удаления члена измените файл .ResX, а затем перезапустите ResGen
+    // с параметром /str или заново постройте свой VS-проект.
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0")]
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+    [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
+    internal class Resources
+    {
+
+        private static global::System.Resources.ResourceManager resourceMan;
+
+        private static global::System.Globalization.CultureInfo resourceCulture;
+
+        [global::System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
+        internal Resources()
+        {
+        }
+
+        /// <summary>
+        ///   Возврат кэшированного экземпляра ResourceManager, используемого этим классом.
+        /// </summary>
+        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
+        internal static global::System.Resources.ResourceManager ResourceManager
+        {
+            get
+            {
+                if ((resourceMan == null))
+                {
+                    global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("dtlauncher_client_win.Properties.Resources", typeof(Resources).Assembly);
+                    resourceMan = temp;
+                }
+                return resourceMan;
+            }
+        }
+
+        /// <summary>
+        ///   Переопределяет свойство CurrentUICulture текущего потока для всех
+        ///   подстановки ресурсов с помощью этого класса ресурсов со строгим типом.
+        /// </summary>
+        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
+        internal static global::System.Globalization.CultureInfo Culture
+        {
+            get
+            {
+                return resourceCulture;
+            }
+            set
+            {
+                resourceCulture = value;
+            }
+        }
+    }
+}

.old 2/dtlauncher-client-win/Properties/Resources.resx

@@ -0,0 +1,117 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

.old 2/dtlauncher-client-win/Properties/Settings.Designer.cs

@@ -0,0 +1,29 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by a tool.
+//     Runtime Version:4.0.30319.42000
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+
+namespace dtlauncher_client_win.Properties
+{
+    [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "11.0.0.0")]
+    internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase
+    {
+
+        private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
+
+        public static Settings Default
+        {
+            get
+            {
+                return defaultInstance;
+            }
+        }
+    }
+}

.old 2/dtlauncher-client-win/Properties/Settings.settings

@@ -0,0 +1,7 @@
+<?xml version='1.0' encoding='utf-8'?>
+<SettingsFile xmlns="uri:settings" CurrentProfile="(Default)">
+  <Profiles>
+    <Profile Name="(Default)" />
+  </Profiles>
+  <Settings />
+</SettingsFile>

.old 2/dtlauncher-client-win/dtlauncher-client-win.csproj

@@ -0,0 +1,104 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{367793EE-4757-4ADD-BF7E-960DC9EB6DF9}</ProjectGuid>
+    <OutputType>WinExe</OutputType>
+    <RootNamespace>dtlauncher_client_win</RootNamespace>
+    <AssemblyName>dtlauncher-client-win</AssemblyName>
+    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <ProjectTypeGuids>{60dc8134-eba5-43b8-bcc9-bb4bc16c2548};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <WarningLevel>4</WarningLevel>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+    <Deterministic>true</Deterministic>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Build|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>none</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Xml" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xaml">
+      <RequiredTargetFramework>4.0</RequiredTargetFramework>
+    </Reference>
+    <Reference Include="WindowsBase" />
+    <Reference Include="PresentationCore" />
+    <Reference Include="PresentationFramework" />
+  </ItemGroup>
+  <ItemGroup>
+    <ApplicationDefinition Include="App.xaml">
+      <Generator>MSBuild:Compile</Generator>
+      <SubType>Designer</SubType>
+    </ApplicationDefinition>
+    <Page Include="LauncherWindow.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
+    <Page Include="LoginWindow.xaml">
+      <Generator>MSBuild:Compile</Generator>
+      <SubType>Designer</SubType>
+    </Page>
+    <Compile Include="App.xaml.cs">
+      <DependentUpon>App.xaml</DependentUpon>
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Include="LauncherWindow.xaml.cs">
+      <DependentUpon>LauncherWindow.xaml</DependentUpon>
+    </Compile>
+    <Compile Include="LoginWindow.xaml.cs">
+      <DependentUpon>LoginWindow.xaml</DependentUpon>
+      <SubType>Code</SubType>
+    </Compile>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Properties\AssemblyInfo.cs">
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Include="Properties\Resources.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>Resources.resx</DependentUpon>
+    </Compile>
+    <Compile Include="Properties\Settings.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DependentUpon>Settings.settings</DependentUpon>
+      <DesignTimeSharedInput>True</DesignTimeSharedInput>
+    </Compile>
+    <EmbeddedResource Include="Properties\Resources.resx">
+      <Generator>ResXFileCodeGenerator</Generator>
+      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
+    </EmbeddedResource>
+    <None Include="Properties\Settings.settings">
+      <Generator>SettingsSingleFileGenerator</Generator>
+      <LastGenOutput>Settings.Designer.cs</LastGenOutput>
+    </None>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\DTLib\DTLib.csproj">
+      <Project>{ce793497-2d5c-42d8-b311-e9b32af9cdfb}</Project>
+      <Name>DTLib</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <PropertyGroup>
+    <PostBuildEvent>del /f /q dtlauncher-client-win.exe.config</PostBuildEvent>
+  </PropertyGroup>
+</Project>