Release 1.17

Closes #241

Core/Handling/RequestHandlerBrowser.cs

@@ -5,14 +5,26 @@ using TweetDuck.Core.Utils;
 
 namespace TweetDuck.Core.Handling{
     sealed class RequestHandlerBrowser : RequestHandlerBase{
+        private const string UrlVendorResource = "/dist/vendor";
+        private const string UrlLoadingSpinner = "/backgrounds/spinner_blue";
+
         public string BlockNextUserNavUrl { get; set; }
 
         public RequestHandlerBrowser() : base(true){}
 
         public override CefReturnValue OnBeforeResourceLoad(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, IRequestCallback callback){
-            if (request.ResourceType == ResourceType.Script && request.Url.Contains("analytics.")){
-                callback.Dispose();
-                return CefReturnValue.Cancel;
+            if (request.ResourceType == ResourceType.Script){
+                string url = request.Url;
+
+                if (url.Contains("analytics.")){
+                    callback.Dispose();
+                    return CefReturnValue.Cancel;
+                }
+                else if (url.Contains(UrlVendorResource)){
+                    NameValueCollection headers = request.Headers;
+                    headers["Accept-Encoding"] = "identity";
+                    request.Headers = headers;
+                }
             }
 
             return base.OnBeforeResourceLoad(browserControl, browser, frame, request, callback);
@@ -29,7 +41,7 @@ namespace TweetDuck.Core.Handling{
         }
 
         public override bool OnResourceResponse(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, IResponse response){
-            if (request.ResourceType == ResourceType.Image && request.Url.Contains("/backgrounds/spinner_blue")){
+            if (request.ResourceType == ResourceType.Image && request.Url.Contains(UrlLoadingSpinner)){
                 request.Url = TwitterUtils.LoadingSpinner.Url;
                 return true;
             }
@@ -38,23 +50,8 @@ namespace TweetDuck.Core.Handling{
         }
 
         public override IResponseFilter GetResourceResponseFilter(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, IResponse response){
-            if (request.ResourceType == ResourceType.Script && request.Url.Contains("/dist/vendor")){
-                NameValueCollection headers = response.ResponseHeaders;
-
-                if (int.TryParse(headers["x-ton-expected-size"], out int totalBytes)){
-                    return new ResponseFilterVendor(totalBytes);
-                }
-                #if DEBUG
-                else{
-                    System.Diagnostics.Debug.WriteLine($"Missing uncompressed size header in {request.Url}");
-
-                    foreach(string key in headers){
-                        System.Diagnostics.Debug.WriteLine($" {key}: {headers[key]}");
-                    }
-
-                    System.Diagnostics.Debugger.Break();
-                }
-                #endif
+            if (request.ResourceType == ResourceType.Script && request.Url.Contains(UrlVendorResource) && int.TryParse(response.ResponseHeaders["Content-Length"], out int totalBytes)){
+                return new ResponseFilterVendor(totalBytes);
             }
 
             return base.GetResourceResponseFilter(browserControl, browser, frame, request, response);

Core/Handling/ResourceHandlerFactory.cs

@@ -0,0 +1,43 @@
+using System;
+using System.Collections.Concurrent;
+using CefSharp;
+using TweetDuck.Data;
+
+namespace TweetDuck.Core.Handling{
+    sealed class ResourceHandlerFactory : IResourceHandlerFactory{
+        public bool HasHandlers => !handlers.IsEmpty;
+
+        private readonly ConcurrentDictionary<string, IResourceHandler> handlers = new ConcurrentDictionary<string, IResourceHandler>(StringComparer.OrdinalIgnoreCase);
+
+        public IResourceHandler GetResourceHandler(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request){
+            try{
+                return handlers.TryGetValue(request.Url, out IResourceHandler handler) ? handler : null;
+            }finally{
+                request.Dispose();
+            }
+        }
+
+        // registration
+
+        public bool RegisterHandler(string url, IResourceHandler handler){
+            if (Uri.TryCreate(url, UriKind.Absolute, out Uri uri)){
+                handlers.AddOrUpdate(uri.AbsoluteUri, handler, (key, prev) => handler);
+                return true;
+            }
+
+            return false;
+        }
+
+        public bool RegisterHandler(ResourceLink link){
+            return RegisterHandler(link.Url, link.Handler);
+        }
+
+        public bool UnregisterHandler(string url){
+            return handlers.TryRemove(url, out IResourceHandler _);
+        }
+
+        public bool UnregisterHandler(ResourceLink link){
+            return UnregisterHandler(link.Url);
+        }
+    }
+}

Core/Management/BrowserCache.cs

@@ -54,6 +54,14 @@ namespace TweetDuck.Core.Management{
             RefreshTimer();
         }
 
+        public static void TryClearNow(){
+            try{
+                Directory.Delete(CacheFolder, true);
+            }catch{
+                // welp, too bad
+            }
+        }
+
         public static void Exit(){
             if (AutoClearTimer != null){
                 AutoClearTimer.Dispose();
@@ -61,11 +69,7 @@ namespace TweetDuck.Core.Management{
             }
 
             if (ClearOnExit){
-                try{
-                    Directory.Delete(CacheFolder, true);
-                }catch{
-                    // welp, too bad
-                }
+                TryClearNow();
             }
         }
     }

Core/Notification/FormNotificationBase.cs

@@ -121,18 +121,20 @@ namespace TweetDuck.Core.Notification{
             this.owner = owner;
             this.owner.FormClosed += owner_FormClosed;
 
+            ResourceHandlerFactory resourceHandlerFactory = new ResourceHandlerFactory();
+            resourceHandlerFactory.RegisterHandler(TwitterUtils.TweetDeckURL, this.resourceHandler);
+            resourceHandlerFactory.RegisterHandler(TweetNotification.AppLogo);
+
             this.browser = new ChromiumWebBrowser("about:blank"){
                 MenuHandler = new ContextMenuNotification(this, enableContextMenu),
                 JsDialogHandler = new JavaScriptDialogHandler(),
                 LifeSpanHandler = new LifeSpanHandler(),
-                RequestHandler = new RequestHandlerBase(false)
+                RequestHandler = new RequestHandlerBase(false),
+                ResourceHandlerFactory = resourceHandlerFactory
             };
 
             this.browser.Dock = DockStyle.None;
             this.browser.ClientSize = ClientSize;
-            
-            this.browser.SetupResourceHandler(TwitterUtils.TweetDeckURL, this.resourceHandler);
-            this.browser.SetupResourceHandler(TweetNotification.AppLogo);
             this.browser.SetupZoomEvents();
 
             Controls.Add(browser);

Core/Other/FormGuide.cs

@@ -63,12 +63,16 @@ namespace TweetDuck.Core.Other{
             Text = Program.BrandName+" Guide";
             Size = new Size(owner.Size.Width*3/4, owner.Size.Height*3/4);
             VisibleChanged += (sender, args) => this.MoveToCenter(owner);
+
+            ResourceHandlerFactory resourceHandlerFactory = new ResourceHandlerFactory();
+            resourceHandlerFactory.RegisterHandler(DummyPage);
             
             this.browser = new ChromiumWebBrowser(url){
                 MenuHandler = new ContextMenuGuide(owner),
                 JsDialogHandler = new JavaScriptDialogHandler(),
                 LifeSpanHandler = new LifeSpanHandler(),
-                RequestHandler = new RequestHandlerBase(true)
+                RequestHandler = new RequestHandlerBase(true),
+                ResourceHandlerFactory = resourceHandlerFactory
             };
 
             browser.LoadingStateChanged += browser_LoadingStateChanged;
@@ -77,8 +81,6 @@ namespace TweetDuck.Core.Other{
             browser.BrowserSettings.BackgroundColor = (uint)BackColor.ToArgb();
             browser.Dock = DockStyle.None;
             browser.Location = ControlExtensions.InvisibleLocation;
-
-            browser.SetupResourceHandler(DummyPage);
             browser.SetupZoomEvents();
 
             Controls.Add(browser);

Core/TweetDeckBrowser.cs

@@ -39,10 +39,14 @@ namespace TweetDuck.Core{
         }
         
         private readonly ChromiumWebBrowser browser;
+        private readonly ResourceHandlerFactory resourceHandlerFactory = new ResourceHandlerFactory();
 
         private string prevSoundNotificationPath = null;
 
         public TweetDeckBrowser(FormBrowser owner, PluginManager plugins, TweetDeckBridge tdBridge, UpdateBridge updateBridge){
+            resourceHandlerFactory.RegisterHandler(TweetNotification.AppLogo);
+            resourceHandlerFactory.RegisterHandler(TwitterUtils.LoadingSpinner);
+
             RequestHandlerBrowser requestHandler = new RequestHandlerBrowser();
             
             this.browser = new ChromiumWebBrowser(TwitterUtils.TweetDeckURL){
@@ -52,7 +56,8 @@ namespace TweetDuck.Core{
                 JsDialogHandler = new JavaScriptDialogHandler(),
                 KeyboardHandler = new KeyboardHandlerBrowser(owner),
                 LifeSpanHandler = new LifeSpanHandler(),
-                RequestHandler = requestHandler
+                RequestHandler = requestHandler,
+                ResourceHandlerFactory = resourceHandlerFactory
             };
 
             this.browser.LoadingStateChanged += browser_LoadingStateChanged;
@@ -66,11 +71,8 @@ namespace TweetDuck.Core{
             this.browser.BrowserSettings.BackgroundColor = (uint)TwitterUtils.BackgroundColor.ToArgb();
             this.browser.Dock = DockStyle.None;
             this.browser.Location = ControlExtensions.InvisibleLocation;
-
-            this.browser.SetupResourceHandler(TweetNotification.AppLogo);
-            this.browser.SetupResourceHandler(TwitterUtils.LoadingSpinner);
             this.browser.SetupZoomEvents();
-
+            
             owner.Controls.Add(browser);
             plugins.Register(browser, PluginEnvironment.Browser, owner, true);
             
@@ -174,10 +176,16 @@ namespace TweetDuck.Core{
 
             bool hasCustomSound = Config.IsCustomSoundNotificationSet;
             string newNotificationPath = Config.NotificationSoundPath;
-
+            
             if (prevSoundNotificationPath != newNotificationPath){
-                browser.SetupResourceHandler(soundUrl, hasCustomSound ? SoundNotification.CreateFileHandler(newNotificationPath) : null);
                 prevSoundNotificationPath = newNotificationPath;
+
+                if (hasCustomSound){
+                    resourceHandlerFactory.RegisterHandler(soundUrl, SoundNotification.CreateFileHandler(newNotificationPath));
+                }
+                else{
+                    resourceHandlerFactory.UnregisterHandler(soundUrl);
+                }
             }
 
             browser.ExecuteScriptAsync("TDGF_setSoundNotificationData", hasCustomSound, Config.NotificationSoundVolume);

Core/Utils/BrowserUtils.cs

@@ -8,7 +8,6 @@ using System.Windows.Forms;
 using CefSharp.WinForms;
 using TweetDuck.Configuration;
 using TweetDuck.Core.Other;
-using TweetDuck.Data;
 
 namespace TweetDuck.Core.Utils{
     static class BrowserUtils{
@@ -60,21 +59,6 @@ namespace TweetDuck.Core.Utils{
             return (ChromiumWebBrowser)browserControl;
         }
 
-        public static void SetupResourceHandler(this ChromiumWebBrowser browser, string url, IResourceHandler handler){
-            DefaultResourceHandlerFactory factory = (DefaultResourceHandlerFactory)browser.ResourceHandlerFactory;
-
-            if (handler == null){
-                factory.UnregisterHandler(url);
-            }
-            else{
-                factory.RegisterHandler(url, handler);
-            }
-        }
-
-        public static void SetupResourceHandler(this ChromiumWebBrowser browser, ResourceLink resource){
-            browser.SetupResourceHandler(resource.Url, resource.Handler);
-        }
-
         public static void SetupZoomEvents(this ChromiumWebBrowser browser){
             void UpdateZoomLevel(object sender, EventArgs args){
                 SetZoomLevel(browser.GetBrowser(), Config.ZoomLevel);

Program.cs

@@ -20,7 +20,7 @@ namespace TweetDuck{
         public const string BrandName = "TweetDuck";
         public const string Website = "https://tweetduck.chylex.com";
 
-        public const string VersionTag = "1.16.3";
+        public const string VersionTag = "1.17";
 
         public static readonly string ProgramPath = AppDomain.CurrentDomain.BaseDirectory;
         public static readonly bool IsPortable = File.Exists(Path.Combine(ProgramPath, "makeportable"));
@@ -126,6 +126,7 @@ namespace TweetDuck{
 
             if (Arguments.HasFlag(Arguments.ArgUpdated)){
                 WindowsUtils.TryDeleteFolderWhenAble(InstallerPath, 8000);
+                BrowserCache.TryClearNow();
             }
             
             BrowserCache.RefreshTimer();

README.md

@@ -45,7 +45,7 @@ If you decide to publicly release a custom version, please make it clear that it
   - `Resources/Plugins/emoji-keyboard/emoji-ordering.txt` line endings must be LF (line feed); any CR (carriage return) in the file will cause a failed build, and you will need to ensure correct line endings in your text editor
 
 #### Error: The "EmbedAllSources" parameter is not supported by the "Csc" task
-1. Open `C:\Program Files (x86)\Visual Studio\2017\<edition>\MSBuild\15.0\Bin\Microsoft.CSharp.CurrentVersion.targets` in a text editor
+1. Open `C:\Program Files (x86)\Visual Studio\2017\<edition>\MSBuild\15.0\Bin\Roslyn\Microsoft.CSharp.Core.targets` in a text editor
 2. Remove line that says `EmbedAllSources="$(EmbedAllSources)"`
 3. Hope the next Visual Studio update fixes it...
 

TweetDuck.csproj

@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="packages\CefSharp.WinForms.67.0.0-pre01\build\CefSharp.WinForms.props" Condition="Exists('packages\CefSharp.WinForms.67.0.0-pre01\build\CefSharp.WinForms.props')" />
-  <Import Project="packages\CefSharp.Common.67.0.0-pre01\build\CefSharp.Common.props" Condition="Exists('packages\CefSharp.Common.67.0.0-pre01\build\CefSharp.Common.props')" />
+  <Import Project="packages\Microsoft.Net.Compilers.2.9.0\build\Microsoft.Net.Compilers.props" Condition="Exists('packages\Microsoft.Net.Compilers.2.9.0\build\Microsoft.Net.Compilers.props')" />
+  <Import Project="packages\CefSharp.WinForms.67.0.0\build\CefSharp.WinForms.props" Condition="Exists('packages\CefSharp.WinForms.67.0.0\build\CefSharp.WinForms.props')" />
+  <Import Project="packages\CefSharp.Common.67.0.0\build\CefSharp.Common.props" Condition="Exists('packages\CefSharp.Common.67.0.0\build\CefSharp.Common.props')" />
   <Import Project="packages\cef.redist.x86.3.3396.1786\build\cef.redist.x86.props" Condition="Exists('packages\cef.redist.x86.3.3396.1786\build\cef.redist.x86.props')" />
   <Import Project="packages\cef.redist.x64.3.3396.1786\build\cef.redist.x64.props" Condition="Exists('packages\cef.redist.x64.3.3396.1786\build\cef.redist.x64.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
@@ -95,6 +96,7 @@
     <Compile Include="Core\Handling\KeyboardHandlerNotification.cs" />
     <Compile Include="Core\Handling\RequestHandlerBase.cs" />
     <Compile Include="Core\Handling\RequestHandlerBrowser.cs" />
+    <Compile Include="Core\Handling\ResourceHandlerFactory.cs" />
     <Compile Include="Core\Handling\ResourceHandlerNotification.cs" />
     <Compile Include="Core\Management\ContextInfo.cs" />
     <Compile Include="Core\Notification\Example\FormNotificationExample.cs">
@@ -424,11 +426,12 @@ IF EXIST "$(ProjectDir)bld\post_build.exe" (
     </PropertyGroup>
     <Error Condition="!Exists('packages\cef.redist.x64.3.3396.1786\build\cef.redist.x64.props')" Text="$([System.String]::Format('$(ErrorText)', 'packages\cef.redist.x64.3.3396.1786\build\cef.redist.x64.props'))" />
     <Error Condition="!Exists('packages\cef.redist.x86.3.3396.1786\build\cef.redist.x86.props')" Text="$([System.String]::Format('$(ErrorText)', 'packages\cef.redist.x86.3.3396.1786\build\cef.redist.x86.props'))" />
-    <Error Condition="!Exists('packages\CefSharp.Common.67.0.0-pre01\build\CefSharp.Common.props')" Text="$([System.String]::Format('$(ErrorText)', 'packages\CefSharp.Common.67.0.0-pre01\build\CefSharp.Common.props'))" />
-    <Error Condition="!Exists('packages\CefSharp.Common.67.0.0-pre01\build\CefSharp.Common.targets')" Text="$([System.String]::Format('$(ErrorText)', 'packages\CefSharp.Common.67.0.0-pre01\build\CefSharp.Common.targets'))" />
-    <Error Condition="!Exists('packages\CefSharp.WinForms.67.0.0-pre01\build\CefSharp.WinForms.props')" Text="$([System.String]::Format('$(ErrorText)', 'packages\CefSharp.WinForms.67.0.0-pre01\build\CefSharp.WinForms.props'))" />
-    <Error Condition="!Exists('packages\CefSharp.WinForms.67.0.0-pre01\build\CefSharp.WinForms.targets')" Text="$([System.String]::Format('$(ErrorText)', 'packages\CefSharp.WinForms.67.0.0-pre01\build\CefSharp.WinForms.targets'))" />
+    <Error Condition="!Exists('packages\CefSharp.Common.67.0.0\build\CefSharp.Common.props')" Text="$([System.String]::Format('$(ErrorText)', 'packages\CefSharp.Common.67.0.0\build\CefSharp.Common.props'))" />
+    <Error Condition="!Exists('packages\CefSharp.Common.67.0.0\build\CefSharp.Common.targets')" Text="$([System.String]::Format('$(ErrorText)', 'packages\CefSharp.Common.67.0.0\build\CefSharp.Common.targets'))" />
+    <Error Condition="!Exists('packages\CefSharp.WinForms.67.0.0\build\CefSharp.WinForms.props')" Text="$([System.String]::Format('$(ErrorText)', 'packages\CefSharp.WinForms.67.0.0\build\CefSharp.WinForms.props'))" />
+    <Error Condition="!Exists('packages\CefSharp.WinForms.67.0.0\build\CefSharp.WinForms.targets')" Text="$([System.String]::Format('$(ErrorText)', 'packages\CefSharp.WinForms.67.0.0\build\CefSharp.WinForms.targets'))" />
+    <Error Condition="!Exists('packages\Microsoft.Net.Compilers.2.9.0\build\Microsoft.Net.Compilers.props')" Text="$([System.String]::Format('$(ErrorText)', 'packages\Microsoft.Net.Compilers.2.9.0\build\Microsoft.Net.Compilers.props'))" />
   </Target>
-  <Import Project="packages\CefSharp.Common.67.0.0-pre01\build\CefSharp.Common.targets" Condition="Exists('packages\CefSharp.Common.67.0.0-pre01\build\CefSharp.Common.targets')" />
-  <Import Project="packages\CefSharp.WinForms.67.0.0-pre01\build\CefSharp.WinForms.targets" Condition="Exists('packages\CefSharp.WinForms.67.0.0-pre01\build\CefSharp.WinForms.targets')" />
+  <Import Project="packages\CefSharp.Common.67.0.0\build\CefSharp.Common.targets" Condition="Exists('packages\CefSharp.Common.67.0.0\build\CefSharp.Common.targets')" />
+  <Import Project="packages\CefSharp.WinForms.67.0.0\build\CefSharp.WinForms.targets" Condition="Exists('packages\CefSharp.WinForms.67.0.0\build\CefSharp.WinForms.targets')" />
 </Project>

bld/gen_upd.iss

@@ -220,14 +220,14 @@ begin
 end;
 
 { Return whether the version of the installed libcef.dll library matches internal one. }
-{ TODO: Remove workaround that forces full installation for 1.15 and older eventually. }
+{ TODO: Remove workaround that forces full installation for 1.16 and older eventually. }
 function TDIsMatchingCEFVersion: Boolean;
 var CEFVersion: String;
 var TDVersionMS: Cardinal;
 var TDVersionLS: Cardinal;
 
 begin
-  if (GetVersionNumbers(UpdatePath+'TweetDuck.exe', TDVersionMS, TDVersionLS)) and ((TDVersionMS and $FFFF) < 16) then
+  if (GetVersionNumbers(UpdatePath+'TweetDuck.exe', TDVersionMS, TDVersionLS)) and ((TDVersionMS and $FFFF) < 17) then
   begin
     Result := False
     Exit

lib/TweetLib.Communication/TweetLib.Communication.csproj

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\..\packages\Microsoft.Net.Compilers.2.9.0\build\Microsoft.Net.Compilers.props" Condition="Exists('..\..\packages\Microsoft.Net.Compilers.2.9.0\build\Microsoft.Net.Compilers.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -11,6 +12,8 @@
     <AssemblyName>TweetLib.Communication</AssemblyName>
     <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
+    <NuGetPackageImportStamp>
+    </NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
     <DebugSymbols>true</DebugSymbols>
@@ -40,5 +43,14 @@
     <Compile Include="DuplexPipe.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\..\packages\Microsoft.Net.Compilers.2.9.0\build\Microsoft.Net.Compilers.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\Microsoft.Net.Compilers.2.9.0\build\Microsoft.Net.Compilers.props'))" />
+  </Target>
 </Project>

lib/TweetLib.Communication/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Microsoft.Net.Compilers" version="2.9.0" targetFramework="net452" developmentDependency="true" />
+</packages>

lib/TweetTest.System/TweetTest.System.csproj

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\..\packages\Microsoft.Net.Compilers.2.9.0\build\Microsoft.Net.Compilers.props" Condition="Exists('..\..\packages\Microsoft.Net.Compilers.2.9.0\build\Microsoft.Net.Compilers.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">x86</Platform>
@@ -17,6 +18,8 @@
     <IsCodedUITest>False</IsCodedUITest>
     <TestProjectType>UnitTest</TestProjectType>
     <TargetFrameworkProfile />
+    <NuGetPackageImportStamp>
+    </NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
     <PlatformTarget>x86</PlatformTarget>
@@ -55,6 +58,9 @@
       <Name>TweetDuck</Name>
     </ProjectReference>
   </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
   <Choose>
     <When Condition="'$(VisualStudioVersion)' == '10.0' And '$(IsCodedUITest)' == 'True'">
       <ItemGroup>
@@ -75,6 +81,12 @@
   </Choose>
   <Import Project="$(VSToolsPath)\TeamTest\Microsoft.TestTools.targets" Condition="Exists('$(VSToolsPath)\TeamTest\Microsoft.TestTools.targets')" />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\..\packages\Microsoft.Net.Compilers.2.9.0\build\Microsoft.Net.Compilers.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\Microsoft.Net.Compilers.2.9.0\build\Microsoft.Net.Compilers.props'))" />
+  </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">

lib/TweetTest.System/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Microsoft.Net.Compilers" version="2.9.0" targetFramework="net452" developmentDependency="true" />
+</packages>

packages.config

@@ -2,6 +2,7 @@
 <packages>
   <package id="cef.redist.x64" version="3.3396.1786" targetFramework="net452" />
   <package id="cef.redist.x86" version="3.3396.1786" targetFramework="net452" />
-  <package id="CefSharp.Common" version="67.0.0-pre01" targetFramework="net452" />
-  <package id="CefSharp.WinForms" version="67.0.0-pre01" targetFramework="net452" />
+  <package id="CefSharp.Common" version="67.0.0" targetFramework="net452" />
+  <package id="CefSharp.WinForms" version="67.0.0" targetFramework="net452" />
+  <package id="Microsoft.Net.Compilers" version="2.9.0" targetFramework="net452" developmentDependency="true" />
 </packages>

subprocess/TweetDuck.Browser.csproj

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\packages\Microsoft.Net.Compilers.2.9.0\build\Microsoft.Net.Compilers.props" Condition="Exists('..\packages\Microsoft.Net.Compilers.2.9.0\build\Microsoft.Net.Compilers.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -11,6 +12,8 @@
     <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+    <NuGetPackageImportStamp>
+    </NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
     <PlatformTarget>x86</PlatformTarget>
@@ -28,7 +31,7 @@
   <ItemGroup>
     <Reference Include="CefSharp.BrowserSubprocess.Core, Version=67.0.0.0, Culture=neutral, PublicKeyToken=40c4b6fc221f4138, processorArchitecture=x86">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\CefSharp.Common.67.0.0-pre01\CefSharp\x86\CefSharp.BrowserSubprocess.Core.dll</HintPath>
+      <HintPath>..\packages\CefSharp.Common.67.0.0\CefSharp\x86\CefSharp.BrowserSubprocess.Core.dll</HintPath>
     </Reference>
     <Reference Include="System" />
   </ItemGroup>
@@ -36,9 +39,18 @@
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
     <PostBuildEvent>call "$(DevEnvDir)..\..\VC\Auxiliary\Build\vcvars32.bat"
 editbin /largeaddressaware /TSAWARE "$(TargetPath)"</PostBuildEvent>
   </PropertyGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\packages\Microsoft.Net.Compilers.2.9.0\build\Microsoft.Net.Compilers.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Net.Compilers.2.9.0\build\Microsoft.Net.Compilers.props'))" />
+  </Target>
 </Project>

subprocess/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Microsoft.Net.Compilers" version="2.9.0" targetFramework="net452" developmentDependency="true" />
+</packages>

video/TweetDuck.Video.csproj

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\packages\Microsoft.Net.Compilers.2.9.0\build\Microsoft.Net.Compilers.props" Condition="Exists('..\packages\Microsoft.Net.Compilers.2.9.0\build\Microsoft.Net.Compilers.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -12,6 +13,8 @@
     <FileAlignment>512</FileAlignment>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
     <ResolveComReferenceSilent>True</ResolveComReferenceSilent>
+    <NuGetPackageImportStamp>
+    </NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
     <DebugSymbols>true</DebugSymbols>
@@ -82,6 +85,7 @@
     </COMReference>
   </ItemGroup>
   <ItemGroup>
+    <None Include="packages.config" />
     <None Include="Resources\btnResize.png" />
     <None Include="Resources\btnDownload.png" />
     <None Include="Resources\btnClose.png" />
@@ -100,4 +104,10 @@
     </EmbeddedResource>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\packages\Microsoft.Net.Compilers.2.9.0\build\Microsoft.Net.Compilers.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Net.Compilers.2.9.0\build\Microsoft.Net.Compilers.props'))" />
+  </Target>
 </Project>

video/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Microsoft.Net.Compilers" version="2.9.0" targetFramework="net452" developmentDependency="true" />
+</packages>