Added NS2.0 support to ZuneImpl

ZuneImpl/Extensions.cs

@@ -0,0 +1,42 @@
+using System;
+using System.IO;
+using System.Threading;
+
+#if NETSTANDARD1_0_OR_GREATER
+using System.Net.Http;
+using System.Threading.Tasks;
+#endif
+
+namespace Microsoft.Zune
+{
+    internal static class Extensions
+    {
+#if NETSTANDARD2_0_OR_GREATER && !NET5_0_OR_GREATER
+        // FIXME: Blocking the executing thread is generally a bad idea.
+        // Executing some of these methods has a chance of
+        // deadlocking the app.
+
+        public static Stream ReadAsStream(this HttpContent content)
+        {
+            return content.ReadAsStreamAsync().Result;
+        }
+
+        public static HttpResponseMessage Send(this HttpClient client, HttpRequestMessage request)
+        {
+            return client.SendAsync(request).Result;
+        }
+
+        public static Task<Stream> GetStreamAsync(this HttpClient client, Uri uri, CancellationToken _)
+        {
+            return client.GetStreamAsync(uri);
+        }
+#endif
+
+#if NETSTANDARD && !NETSTANDARD2_1_OR_GREATER
+        public static Task CopyToAsync(this Stream source, Stream destination, CancellationToken _)
+        {
+            return source.CopyToAsync(destination);
+        }
+#endif
+    }
+}

ZuneImpl/ZuneImpl.csproj

@@ -6,8 +6,9 @@
         <OutputType>Library</OutputType>
         <AssemblyName>ZuneImpl</AssemblyName>
         <ApplicationVersion>4.8.0.0</ApplicationVersion>
+        <LangVersion>latest</LangVersion>
 
-        <TargetFrameworks>net35;net40;net6.0</TargetFrameworks>
+        <TargetFrameworks>net35;net40;netstandard2.0;net6.0</TargetFrameworks>
         <Platforms>x64;x86</Platforms>
         <RootNamespace>Microsoft.Zune</RootNamespace>
 
@@ -30,9 +31,19 @@
         <ProjectReference Include="..\libs\MicrosoftIris\UIX\UIX.csproj" />
     </ItemGroup>
 
-    <PropertyGroup Condition=" '$(TargetFramework)' == 'net6.0' ">
-        <UseOpenZune>True</UseOpenZune>
-    </PropertyGroup>
+    <Choose>
+        <When Condition=" '$(TargetFramework)' == 'net6.0' ">
+            <PropertyGroup>
+                <UseOpenZune>True</UseOpenZune>
+                <DefineConstants>$(DefineConstants);NETSTANDARD2_1_OR_GREATER</DefineConstants>
+            </PropertyGroup>
+        </When>
+        <When Condition=" '$(TargetFramework)' == 'netstandard2.0' ">
+            <PropertyGroup>
+                <UseOpenZune>True</UseOpenZune>
+            </PropertyGroup>
+        </When>
+    </Choose>
 
     <ItemGroup Condition="$(UseOpenZune)">
         <PackageReference Include="StrixMusic.Sdk" Version="0.0.3-alpha" />