Multi-target net6.0.

packages/Avalonia/Avalonia.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-      <TargetFrameworks>netstandard2.0;net461;netcoreapp2.0</TargetFrameworks>
+      <TargetFrameworks>netstandard2.0;net461;netcoreapp2.0;net6.0</TargetFrameworks>
       <PackageId>Avalonia</PackageId>
   </PropertyGroup>
 

src/Avalonia.Animation/Avalonia.Animation.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>    
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\Avalonia.Base\Avalonia.Base.csproj" />

src/Avalonia.Base/Avalonia.Base.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
     <AssemblyName>Avalonia.Base</AssemblyName>
     <RootNamespace>Avalonia</RootNamespace>
     <AllowUnsafeBlocks>True</AllowUnsafeBlocks>    

src/Avalonia.Controls.DataGrid/Avalonia.Controls.DataGrid.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
     <PackageId>Avalonia.Controls.DataGrid</PackageId>
   </PropertyGroup>
   <ItemGroup>
@@ -16,7 +16,7 @@
     <ProjectReference Include="..\Markup\Avalonia.Markup\Avalonia.Markup.csproj" />    
     <ProjectReference Include="..\Avalonia.Controls\Avalonia.Controls.csproj" />
     <!-- Compatibility with old apps -->
-    <EmbeddedResource Include="Themes\**\*.xaml"/>
+    <EmbeddedResource Include="Themes\**\*.xaml" />
   </ItemGroup>
   <Import Project="..\..\build\Rx.props" />
   <Import Project="..\..\build\EmbedXaml.props" />

src/Avalonia.Controls/Avalonia.Controls.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>    
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="..\Avalonia.Base\Metadata\NullableAttributes.cs" Link="NullableAttributes.cs" />

src/Avalonia.DesignerSupport/Avalonia.DesignerSupport.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
     <!-- WARNING! The designer support version number needs to be frozen 
          To allow projects that implement designer functionality to still
          work with newer versions of Avalonia. This version number only
@@ -13,7 +13,7 @@
   </PropertyGroup>
   <ItemGroup>
     <EmbeddedResource Include="Remote\HtmlTransport\webapp\build\**\*.gz" />
-    <EmbeddedResource Condition="'$(Configuration)' == 'Debug'" Remove="Remote\HtmlTransport\webapp\build\**\*.map.gz"/>
+    <EmbeddedResource Condition="'$(Configuration)' == 'Debug'" Remove="Remote\HtmlTransport\webapp\build\**\*.map.gz" />
     <ProjectReference Include="..\Markup\Avalonia.Markup.Xaml\Avalonia.Markup.Xaml.csproj" />
     <ProjectReference Include="..\Markup\Avalonia.Markup\Avalonia.Markup.csproj" />
     <ProjectReference Include="..\Avalonia.Animation\Avalonia.Animation.csproj" />

src/Avalonia.Desktop/Avalonia.Desktop.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-      <TargetFramework>netstandard2.0</TargetFramework>
+      <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
       <PackageId>Avalonia.Desktop</PackageId>
   </PropertyGroup>
 

src/Avalonia.DesktopRuntime/Avalonia.DesktopRuntime.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net461;netcoreapp2.0</TargetFrameworks>
+    <TargetFrameworks>net461;netcoreapp2.0;net6.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>

src/Avalonia.Diagnostics/Avalonia.Diagnostics.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
     <RootNamespace>Avalonia</RootNamespace>
     <PackageId>Avalonia.Diagnostics</PackageId>
     <Nullable>enable</Nullable>

src/Avalonia.Dialogs/Avalonia.Dialogs.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>

src/Avalonia.FreeDesktop/Avalonia.FreeDesktop.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>    
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>

src/Avalonia.Headless.Vnc/Avalonia.Headless.Vnc.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>netstandard2.0</TargetFramework>
+      <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
     </PropertyGroup>
 
     <ItemGroup>

src/Avalonia.Headless/Avalonia.Headless.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
 
   </PropertyGroup>
   <ItemGroup>

src/Avalonia.Input/Avalonia.Input.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
     <Nullable>Enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

src/Avalonia.Interactivity/Avalonia.Interactivity.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
     <Nullable>Enable</Nullable>
     <WarningsAsErrors>CS8600;CS8602;CS8603</WarningsAsErrors>
   </PropertyGroup>

src/Avalonia.Layout/Avalonia.Layout.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\Avalonia.Animation\Avalonia.Animation.csproj" />

src/Avalonia.Native/Avalonia.Native.csproj

@@ -4,7 +4,7 @@
     <PackAvaloniaNative Condition="'$(PackAvaloniaNative)' == ''">$([MSBuild]::IsOSPlatform(OSX))</PackAvaloniaNative>
     <IsPackable>$(PackAvaloniaNative)</IsPackable>
     <IsPackable Condition="'$([MSBuild]::IsOSPlatform(OSX))' == 'True'">true</IsPackable>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
 

src/Avalonia.OpenGL/Avalonia.OpenGL.csproj

@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>netstandard2.0</TargetFramework>
+        <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
         <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     </PropertyGroup>
 

src/Avalonia.ReactiveUI/Avalonia.ReactiveUI.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
     <PackageId>Avalonia.ReactiveUI</PackageId>
     <SignAssembly>false</SignAssembly>
     <Nullable>enable</Nullable>

src/Avalonia.Remote.Protocol/Avalonia.Remote.Protocol.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
     <DefineConstants>AVALONIA_REMOTE_PROTOCOL;$(DefineConstants)</DefineConstants>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>Key.snk</AssemblyOriginatorKeyFile>

src/Avalonia.Styling/Avalonia.Styling.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
     <AssemblyName>Avalonia.Styling</AssemblyName>
     <RootNamespace>Avalonia</RootNamespace>
   </PropertyGroup>

src/Avalonia.Themes.Default/Avalonia.Themes.Default.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\Markup\Avalonia.Markup.Xaml\Avalonia.Markup.Xaml.csproj" />

src/Avalonia.Themes.Fluent/Avalonia.Themes.Fluent.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\Markup\Avalonia.Markup.Xaml\Avalonia.Markup.Xaml.csproj" />

src/Avalonia.Visuals/Avalonia.Visuals.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
     <RootNamespace>Avalonia</RootNamespace>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>

src/Avalonia.X11/Avalonia.X11.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFramework>netstandard2.0</TargetFramework>
+        <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
         <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
         <PackageId>Avalonia.X11</PackageId>
     </PropertyGroup>

src/Linux/Avalonia.LinuxFramebuffer/Avalonia.LinuxFramebuffer.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <PackageId>Avalonia.LinuxFramebuffer</PackageId>
   </PropertyGroup>

src/Markup/Avalonia.Markup.Xaml.Loader/Avalonia.Markup.Xaml.Loader.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
     <IsPackable>true</IsPackable>
     <PackageId>Avalonia.Markup.Xaml.Loader</PackageId>
     <DefineConstants>$(DefineConstants);XAMLX_INTERNAL</DefineConstants>

src/Markup/Avalonia.Markup.Xaml/Avalonia.Markup.Xaml.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
     <DefineConstants>$(DefineConstants);PCL;NETSTANDARD;NETSTANDARD2_0;HAS_TYPE_CONVERTER;HAS_CUSTOM_ATTRIBUTE_PROVIDER;XAMLX_INTERNAL</DefineConstants>
     <UseCecil>false</UseCecil>
     <DefineConstants Condition="$(UseCecil) == true">$(DefineConstants);RUNTIME_XAML_CECIL</DefineConstants>

src/Markup/Avalonia.Markup/Avalonia.Markup.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
     <RootNamespace>Avalonia</RootNamespace>
     <Nullable>Enable</Nullable>
     <WarningsAsErrors>CS8600;CS8602;CS8603</WarningsAsErrors>

src/Skia/Avalonia.Skia/Avalonia.Skia.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
     <RootNamespace>Avalonia.Skia</RootNamespace>
     <AssemblyName>Avalonia.Skia</AssemblyName>
     <PackageId>Avalonia.Skia</PackageId>

src/Windows/Avalonia.Direct2D1/Avalonia.Direct2D1.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <PackageId>Avalonia.Direct2D1</PackageId>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>

src/Windows/Avalonia.Win32/Avalonia.Win32.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;net6.0</TargetFrameworks>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <PackageId>Avalonia.Win32</PackageId>
   </PropertyGroup>