Merge branch 'development'

vpnhood · Jan 22, 2022 · 738da55 · 738da55
2 parents 46e3638 + 5b3e375
commit 738da55
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,14 @@
+# v2.4.295
+### Client
+* Update: Tune TCP connections for games
+* Fix: Error when setting PacketCapture include filter
+
+### Server
+* Feature: Server sends its last config error to access server
+* Fix: TcpHost is already Started error
+* Fix: Linux installation on some distribution
+* Fix: LogLevel.Trace in DiagnoseMode
+
 # v2.4.292
 ### Client
 * Update: Improve stability and memory usage
@@ -346,3 +357,4 @@
 
 
 
+
diff --git a/Pub/Version.json b/Pub/Version.json
@@ -1,6 +1,6 @@
 {
   "Major": 2,
   "Minor": 4,
-  "Build": 292,
-  "BumpTime": "2022-01-05T01:25:45.1824407Z"
+  "Build": 295,
+  "BumpTime": "2022-01-22T08:17:45.1958192Z"
 }
diff --git a/Samples/VpnHood.Samples.SimpleClient.Droid/VpnHood.Samples.SimpleClient.Droid.csproj b/Samples/VpnHood.Samples.SimpleClient.Droid/VpnHood.Samples.SimpleClient.Droid.csproj
@@ -108,10 +108,10 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="VpnHood.Client">
-      <Version>2.3.291</Version>
+      <Version>2.4.292</Version>
     </PackageReference>
     <PackageReference Include="VpnHood.Client.Device.Android">
-      <Version>2.3.291</Version>
+      <Version>2.4.292</Version>
     </PackageReference>
     <PackageReference Include="Xamarin.Essentials" Version="1.7.0" />
   </ItemGroup>

diff --git a/Samples/VpnHood.Samples.SimpleClient.Win/VpnHood.Samples.SimpleClient.Win.csproj b/Samples/VpnHood.Samples.SimpleClient.Win/VpnHood.Samples.SimpleClient.Win.csproj
@@ -11,8 +11,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="VpnHood.Client" Version="2.3.291" />
-    <PackageReference Include="VpnHood.Client.Device.WinDivert" Version="2.3.291" />
+    <PackageReference Include="VpnHood.Client" Version="2.4.292" />
+    <PackageReference Include="VpnHood.Client.Device.WinDivert" Version="2.4.292" />
   </ItemGroup>
 
 </Project>
diff --git a/VpnHood.App.Launcher/VpnHood.App.Launcher.csproj b/VpnHood.App.Launcher/VpnHood.App.Launcher.csproj
@@ -14,9 +14,9 @@
     <PackageIcon>VpnHood.png</PackageIcon>
     <Product>VpnHood.App.Launcher</Product>
     <ApplicationIcon>Resources\VpnHood.ico</ApplicationIcon>
-    <Version>2.4.292</Version>
-    <AssemblyVersion>2.4.292</AssemblyVersion>
-    <FileVersion>2.4.292</FileVersion>
+    <Version>2.4.295</Version>
+    <AssemblyVersion>2.4.295</AssemblyVersion>
+    <FileVersion>2.4.295</FileVersion>
     <Nullable>enable</Nullable>
     <LangVersion>10.0</LangVersion>
   </PropertyGroup>

diff --git a/VpnHood.Client.App.Android/Properties/AndroidManifest.xml b/VpnHood.Client.App.Android/Properties/AndroidManifest.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="292" package="com.vpnhood.client.android" android:installLocation="auto" android:versionName="2.4.292">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="295" package="com.vpnhood.client.android" android:installLocation="auto" android:versionName="2.4.295">
   <uses-sdk android:minSdkVersion="22" android:targetSdkVersion="31" />
   <uses-permission android:name="android.permission.INTERNET" />
   <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

diff --git a/VpnHood.Client.App.UI/VpnHood.Client.App.UI.csproj b/VpnHood.Client.App.UI/VpnHood.Client.App.UI.csproj
@@ -12,9 +12,9 @@
     <PackageIcon>VpnHood.png</PackageIcon>
     <Description>Tiny internal webserver to server your single-page application (SPA). You need this only if you want to create a UI for your VpnHood client by single-page application (SPA).</Description>
     <PackageId>VpnHood.Client.App.UI</PackageId>
-    <Version>2.4.292</Version>
-    <AssemblyVersion>2.4.292</AssemblyVersion>
-    <FileVersion>2.4.292</FileVersion>
+    <Version>2.4.295</Version>
+    <AssemblyVersion>2.4.295</AssemblyVersion>
+    <FileVersion>2.4.295</FileVersion>
     <Nullable>enable</Nullable>
     <LangVersion>10.0</LangVersion>
   </PropertyGroup>

diff --git a/VpnHood.Client.App.Win.Setup/VpnHood.Client.App.Win.Setup.aip b/VpnHood.Client.App.Win.Setup/VpnHood.Client.App.Win.Setup.aip
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<DOCUMENT Type="Advanced Installer" CreateVersion="17.7" version="19.0" Modules="professional" RootPath="." Language="en" Id="{F5BEDA55-1847-4909-B85B-443D6C887C92}">
+<DOCUMENT Type="Advanced Installer" CreateVersion="17.7" version="19.1" Modules="professional" RootPath="." Language="en" Id="{F5BEDA55-1847-4909-B85B-443D6C887C92}">
   <COMPONENT cid="caphyon.advinst.msicomp.MsiPropsComponent">
     <ROW Property="AI_BITMAP_DISPLAY_MODE" Value="0"/>
     <ROW Property="AI_COLOR_DISABLED_TEXT" Value="3026478" MultiBuildValue="DefaultBuild:15461355" MsiKey="AI_COLOR_DISABLED_TEXT"/>
@@ -22,10 +22,10 @@
     <ROW Property="CTRLS" Value="2"/>
     <ROW Property="DOTNET" Value="dotnet"/>
     <ROW Property="Manufacturer" Value="VpnHood"/>
-    <ROW Property="ProductCode" Value="1033:{6F3ED7EB-A3EA-449F-8A3C-81905E3792F5} " Type="16"/>
+    <ROW Property="ProductCode" Value="1033:{7ACA31E0-F0A6-4C96-A95B-E49C57408133} " Type="16"/>
     <ROW Property="ProductLanguage" Value="1033"/>
     <ROW Property="ProductName" Value="VpnHood"/>
-    <ROW Property="ProductVersion" Value="2.4.292.0" Type="32" TargetFile="VpnHoodClient.dll"/>
+    <ROW Property="ProductVersion" Value="2.4.295.0" Type="32" TargetFile="VpnHoodClient.dll"/>
     <ROW Property="SecureCustomProperties" Value="OLDPRODUCTS;AI_NEWERPRODUCTFOUND;AI_SETUPEXEPATH;SETUPEXEDIR"/>
     <ROW Property="UpgradeCode" Value="{38FCFAB0-A40C-4840-A9F9-B7A06A5BC552}"/>
     <ROW Property="WindowsType9X" MultiBuildValue="DefaultBuild:Windows 9x/ME" ValueLocId="-"/>
@@ -178,6 +178,7 @@
     <ROW Fragment="SequenceDialogs.aip" Path="&lt;AI_THEMES&gt;surface\fragments\SequenceDialogs.aip"/>
     <ROW Fragment="Sequences.aip" Path="&lt;AI_FRAGS&gt;Sequences.aip"/>
     <ROW Fragment="StaticUIStrings.aip" Path="&lt;AI_FRAGS&gt;StaticUIStrings.aip"/>
+    <ROW Fragment="Themes.aip" Path="&lt;AI_FRAGS&gt;Themes.aip"/>
     <ROW Fragment="UI.aip" Path="&lt;AI_THEMES&gt;surface\fragments\UI.aip"/>
     <ROW Fragment="Validation.aip" Path="&lt;AI_FRAGS&gt;Validation.aip"/>
     <ROW Fragment="VerifyRemoveDlg.aip" Path="&lt;AI_THEMES&gt;surface\fragments\VerifyRemoveDlg.aip"/>

diff --git a/VpnHood.Client.App.Win/VpnHood.Client.App.Win.csproj b/VpnHood.Client.App.Win/VpnHood.Client.App.Win.csproj
@@ -16,9 +16,9 @@
     <ApplicationManifest>app.manifest</ApplicationManifest>
     <PackageId>VpnHood.Client.App.Win</PackageId>
     <StartupObject></StartupObject>
-    <Version>2.4.292</Version>
-    <AssemblyVersion>2.4.292</AssemblyVersion>
-    <FileVersion>2.4.292</FileVersion>
+    <Version>2.4.295</Version>
+    <AssemblyVersion>2.4.295</AssemblyVersion>
+    <FileVersion>2.4.295</FileVersion>
     <Nullable>enable</Nullable>
     <LangVersion>10.0</LangVersion>
     <EnforceCodeStyleInBuild>false</EnforceCodeStyleInBuild>
@@ -58,7 +58,7 @@
 
   <ItemGroup>
     <PackageReference Include=" " Version="1.0.664.37" />
-    <PackageReference Include="Microsoft.Web.WebView2" Version="1.0.1054.31" />
+    <PackageReference Include="Microsoft.Web.WebView2" Version="1.0.1072.54" />
   </ItemGroup>
 
   <ItemGroup>

diff --git a/VpnHood.Client.App/VpnHood.Client.App.csproj b/VpnHood.Client.App/VpnHood.Client.App.csproj
@@ -11,9 +11,9 @@
     <RepositoryUrl>https://github.com/vpnhood/vpnhood</RepositoryUrl>
     <Description>Readymade Vpn App skeleton for VpnHood clients. You just need to create a UI on it.</Description>
     <PackageId>VpnHood.Client.App</PackageId>
-    <Version>2.4.292</Version>
-    <AssemblyVersion>2.4.292</AssemblyVersion>
-    <FileVersion>2.4.292</FileVersion>
+    <Version>2.4.295</Version>
+    <AssemblyVersion>2.4.295</AssemblyVersion>
+    <FileVersion>2.4.295</FileVersion>
     <Nullable>enable</Nullable>
     <LangVersion>10.0</LangVersion>
   </PropertyGroup>

diff --git a/VpnHood.Client.Device.WinDivert/VpnHood.Client.Device.WinDivert.csproj b/VpnHood.Client.Device.WinDivert/VpnHood.Client.Device.WinDivert.csproj
@@ -9,11 +9,11 @@
     <RepositoryUrl>https://github.com/vpnhood/vpnhood</RepositoryUrl>
     <PackageIcon>VpnHood.png</PackageIcon>
     <Description>VpnHood client device provider for Windows using WinDivert.</Description>
-    <Version>2.4.292</Version>
+    <Version>2.4.295</Version>
     <PackageId>VpnHood.Client.Device.WinDivert</PackageId>
     <Version>1.1.226</Version>
-    <AssemblyVersion>2.4.292</AssemblyVersion>
-    <FileVersion>2.4.292</FileVersion>
+    <AssemblyVersion>2.4.295</AssemblyVersion>
+    <FileVersion>2.4.295</FileVersion>
     <Nullable>enable</Nullable>
     <LangVersion>10.0</LangVersion>
   </PropertyGroup>

diff --git a/VpnHood.Client.Device/VpnHood.Client.Device.csproj b/VpnHood.Client.Device/VpnHood.Client.Device.csproj
@@ -14,9 +14,9 @@
     <RepositoryType></RepositoryType>
     <PackageId>VpnHood.Client.Device</PackageId>
     <RootNamespace>VpnHood.Client.Device</RootNamespace>
-    <Version>2.4.292</Version>
-    <AssemblyVersion>2.4.292</AssemblyVersion>
-    <FileVersion>2.4.292</FileVersion>
+    <Version>2.4.295</Version>
+    <AssemblyVersion>2.4.295</AssemblyVersion>
+    <FileVersion>2.4.295</FileVersion>
     <Nullable>enable</Nullable>
     <LangVersion>10.0</LangVersion>
   </PropertyGroup>

diff --git a/VpnHood.Client/Diagnosing/DiagnoseUtil.cs b/VpnHood.Client/Diagnosing/DiagnoseUtil.cs
@@ -111,12 +111,12 @@ public class DiagnoseUtil
                 if (pingReply.Status != IPStatus.Success)
                     throw new Exception($"Status: {pingReply.Status}");
 
-                VhLogger.Instance.LogInformation($"PingTest: Succeeded. RemoteAddress: {ipAddress}.");
+                VhLogger.Instance.LogInformation($"PingTest: Succeeded. RemoteAddress: {VhLogger.Format(ipAddress)}.");
                 return null;
             }
             catch (Exception ex)
             {
-                VhLogger.Instance.LogError($"PingTest: Failed! RemoteAddress: {ipAddress}, Message: {ex.Message}.");
+                VhLogger.Instance.LogError($"PingTest: Failed! RemoteAddress: {VhLogger.Format(ipAddress)}, Message: {ex.Message}.");
                 return ex;
             }
         }

diff --git a/VpnHood.Client/TcpProxyHost.cs b/VpnHood.Client/TcpProxyHost.cs
@@ -55,8 +55,7 @@ public void Start()
             _tcpListenerIpV4 = new TcpListener(IPAddress.Any, 0);
             _tcpListenerIpV4.Start();
             _localEndpointIpV4 = (IPEndPoint)_tcpListenerIpV4.LocalEndpoint; //it is slow; make sure to cache it
-            VhLogger.Instance.LogInformation(
-                $"{VhLogger.FormatTypeName(this)} is listening on {VhLogger.Format(_localEndpointIpV4)}");
+            VhLogger.Instance.LogInformation($"{VhLogger.FormatTypeName(this)} is listening on {VhLogger.Format(_localEndpointIpV4)}");
             _ = AcceptTcpClientLoop(_tcpListenerIpV4);
 
             // IpV6
@@ -78,6 +77,7 @@ public void Start()
         private async Task AcceptTcpClientLoop(TcpListener tcpListener)
         {
             var cancellationToken = _cancellationTokenSource.Token;
+            var localEp = (IPEndPoint)tcpListener.LocalEndpoint;
 
             try
             {
@@ -94,7 +94,7 @@ private async Task AcceptTcpClientLoop(TcpListener tcpListener)
             }
             finally
             {
-                VhLogger.Instance.LogInformation("Listener has been closed.");
+                VhLogger.Instance.LogInformation($"{VhLogger.FormatTypeName(this)} Listener on {localEp} has been closed.");
             }
         }
 
@@ -185,7 +185,6 @@ private async Task ProcessClient(TcpClient orgTcpClient, CancellationToken cance
             try
             {
                 // config tcpOrgClient
-                // todo: tcpOrgClient.NoDelay = true; 
                 Client.SocketFactory.SetKeepAlive(orgTcpClient.Client, true);
 
                 // get original remote from NAT
@@ -230,7 +229,6 @@ await Client.AddPassthruTcpStream(
                 tcpProxyClientStream.TcpClient.ReceiveBufferSize = orgTcpClient.ReceiveBufferSize;
                 tcpProxyClientStream.TcpClient.SendBufferSize = orgTcpClient.SendBufferSize;
                 tcpProxyClientStream.TcpClient.SendTimeout = orgTcpClient.SendTimeout;
-                // todo: tcpProxyClientStream.TcpClient.NoDelay = true;
                 Client.SocketFactory.SetKeepAlive(tcpProxyClientStream.TcpClient.Client, true);
 
                 // read the response

diff --git a/VpnHood.Client/VpnHood.Client.csproj b/VpnHood.Client/VpnHood.Client.csproj
@@ -13,9 +13,9 @@
     <Copyright>2020 VpnHood</Copyright>
     <PackageId>VpnHood.Client</PackageId>
     <PackageTags>VPN VpnClient Proxy</PackageTags>
-    <Version>2.4.292</Version>
-    <AssemblyVersion>2.4.292</AssemblyVersion>
-    <FileVersion>2.4.292</FileVersion>
+    <Version>2.4.295</Version>
+    <AssemblyVersion>2.4.295</AssemblyVersion>
+    <FileVersion>2.4.295</FileVersion>
     <Nullable>enable</Nullable>
     <LangVersion>10.0</LangVersion>
   </PropertyGroup>

diff --git a/VpnHood.Client/VpnHoodClient.cs b/VpnHood.Client/VpnHoodClient.cs
@@ -167,15 +167,12 @@ internal async Task AddPassthruTcpStream(TcpClientStream orgTcpClientStream, IPE
         {
             // config Tcp
             SocketFactory.SetKeepAlive(orgTcpClientStream.TcpClient.Client, true);
-            //todo: orgTcpClientStream.TcpClient.NoDelay = true;
 
             var tcpClient = SocketFactory.CreateTcpClient(hostEndPoint.AddressFamily);
             tcpClient.ReceiveBufferSize = orgTcpClientStream.TcpClient.ReceiveBufferSize;
             tcpClient.SendBufferSize = orgTcpClientStream.TcpClient.SendBufferSize;
             tcpClient.SendTimeout = orgTcpClientStream.TcpClient.SendTimeout;
             SocketFactory.SetKeepAlive(tcpClient.Client, true);
-            //todo: tcpClient.NoDelay = true;
-
 
             // connect to host
             _packetCapture.ProtectSocket(tcpClient.Client);
@@ -248,7 +245,12 @@ private void ConfigPacketFilter(IPEndPoint hostEndPoint)
             var includeNetworks = new List<IpNetwork>();
             if (PacketCaptureIncludeIpRanges?.Length > 0)
             {
-                includeNetworks.AddRange(IpNetwork.FromIpRange(PacketCaptureIncludeIpRanges));
+                // remove hostEndPoint from include
+                var exclude = IpRange.Invert(PacketCaptureIncludeIpRanges).ToList();
+                exclude.Add(new IpRange(hostEndPoint.Address));
+                var include = IpRange.Invert(exclude.ToArray());
+
+                includeNetworks.AddRange(IpNetwork.FromIpRange(include));
             }
             else
             {
@@ -594,7 +596,6 @@ internal async Task<TcpClientStream> GetSslConnectionToServer(EventId eventId, C
             if (HostEndPoint == null)
                 throw new InvalidOperationException($"{nameof(HostEndPoint)} is not initialized!");
             var tcpClient = SocketFactory.CreateTcpClient(HostEndPoint.AddressFamily);
-            //todo: tcpClient.Client.NoDelay = true;
 
             try
             {

diff --git a/VpnHood.Common/AppBaseNet.cs b/VpnHood.Common/AppBaseNet.cs
@@ -15,7 +15,6 @@ public abstract class AppBaseNet<T> : IDisposable where T : AppBaseNet<T>
         private const string FileNameSettings = "appsettings.json";
         private const string FileNameSettingsDebug = "appsettings.Debug.json";
         private const string FileNameNLogConfig = "NLog.config";
-        private const string FileNameNLogXsd = "NLog.xsd";
 
         private static T? _instance;
         private readonly string _appCommandFilePath;

diff --git a/VpnHood.Common/VpnHood.Common.csproj b/VpnHood.Common/VpnHood.Common.csproj
@@ -12,9 +12,9 @@
     <PackageId>VpnHood.Common</PackageId>
     <PackageIcon>VpnHood.png</PackageIcon>
     <Description>VpnHood Common Library is shared among all other VpnHood modules.</Description>
-    <Version>2.4.292</Version>
-    <AssemblyVersion>2.4.292</AssemblyVersion>
-    <FileVersion>2.4.292</FileVersion>
+    <Version>2.4.295</Version>
+    <AssemblyVersion>2.4.295</AssemblyVersion>
+    <FileVersion>2.4.295</FileVersion>
     <Nullable>enable</Nullable>
     <LangVersion>10.0</LangVersion>
   </PropertyGroup>

diff --git a/VpnHood.Server.Access/AccessServers/RestAccessServer.cs b/VpnHood.Server.Access/AccessServers/RestAccessServer.cs
@@ -134,7 +134,7 @@ private async Task<string> SendRequest(string api, HttpMethod httpMethod, object
                 var ret = await streamReader.ReadToEndAsync();
 
                 // check maintenance mode
-                IsMaintenanceMode = response.StatusCode == HttpStatusCode.ServiceUnavailable;
+                IsMaintenanceMode = response.StatusCode is HttpStatusCode.ServiceUnavailable or HttpStatusCode.NotFound;
                 if (IsMaintenanceMode)
                     throw new MaintenanceException();
 

diff --git a/VpnHood.Server.Access/ServerInfo.cs b/VpnHood.Server.Access/ServerInfo.cs
@@ -39,5 +39,6 @@ public ServerInfo(Version version,
         public long TotalMemory { get; set; }
         public string? MachineName { get; set; }
         public Guid? ConfigCode { get; set; }
+        public string? LastError { get; set; }
     }
 }
diff --git a/VpnHood.Server.Access/VpnHood.Server.Access.csproj b/VpnHood.Server.Access/VpnHood.Server.Access.csproj
@@ -12,9 +12,9 @@
     <PackageId>VpnHood.Server.Access</PackageId>
     <PackageIcon>VpnHood.png</PackageIcon>
     <Description>Stores, and retrieves end users' access and usage. Provides required interfaces and classes to use or create an access server and accounting.</Description>
-    <Version>2.4.292</Version>
-    <AssemblyVersion>2.4.292</AssemblyVersion>
-    <FileVersion>2.4.292</FileVersion>
+    <Version>2.4.295</Version>
+    <AssemblyVersion>2.4.295</AssemblyVersion>
+    <FileVersion>2.4.295</FileVersion>
     <Nullable>enable</Nullable>
     <LangVersion>10.0</LangVersion>
   </PropertyGroup>

diff --git a/VpnHood.Server.App.Net/Install/install-linux.sh b/VpnHood.Server.App.Net/Install/install-linux.sh
@@ -83,8 +83,8 @@ After=network.target
 
 [Service]
 Type=simple
-ExecStart=sh -c \"dotnet '$destinationPath/launcher/run.dll' -launcher:noLaunchAfterUpdate && sleep 10s\"
-ExecStop=sh -c \"dotnet '$destinationPath/launcher/run.dll' stop\"
+ExecStart=/bin/sh -c \"dotnet '$destinationPath/launcher/run.dll' -launcher:noLaunchAfterUpdate && sleep 10s\"
+ExecStop=/bin/sh -c \"dotnet '$destinationPath/launcher/run.dll' stop\"
 TimeoutStartSec=0
 Restart=always
 RestartSec=2

diff --git a/VpnHood.Server.App.Net/ServerApp.cs b/VpnHood.Server.App.Net/ServerApp.cs
@@ -12,6 +12,7 @@
 using VpnHood.Server.AccessServers;
 using VpnHood.Server.App.SystemInformation;
 using VpnHood.Server.SystemInformation;
+using LogLevel = Microsoft.Extensions.Logging.LogLevel;
 
 namespace VpnHood.Server.App
 {
@@ -29,7 +30,12 @@ public ServerApp() : base("VpnHoodServer")
                 : new AppSettings();
 
             // logger
-            using var loggerFactory = LoggerFactory.Create(builder => builder.AddNLog(NLogConfigFilePath));
+            using var loggerFactory = LoggerFactory.Create(builder =>
+            {
+                builder.AddNLog(NLogConfigFilePath);
+                if (AppSettings.IsDiagnoseMode)
+                    builder.SetMinimumLevel(LogLevel.Trace);
+            });
             VhLogger.Instance = loggerFactory.CreateLogger("NLog");
             VhLogger.IsDiagnoseMode = AppSettings.IsDiagnoseMode;
 

diff --git a/VpnHood.Server.App.Net/VpnHood.Server.App.Net.csproj b/VpnHood.Server.App.Net/VpnHood.Server.App.Net.csproj
@@ -13,9 +13,9 @@
     <RepositoryUrl>https://github.com/vpnhood/vpnhood</RepositoryUrl>
     <PackageLicenseExpression>LGPL-2.1-only</PackageLicenseExpression>
     <PackageIcon>VpnHood.png</PackageIcon>
-    <Version>2.4.292</Version>
-    <AssemblyVersion>2.4.292</AssemblyVersion>
-    <FileVersion>2.4.292</FileVersion>
+    <Version>2.4.295</Version>
+    <AssemblyVersion>2.4.295</AssemblyVersion>
+    <FileVersion>2.4.295</FileVersion>
     <Nullable>enable</Nullable>
     <LangVersion>10.0</LangVersion>
   </PropertyGroup>