diff --git a/build2019/csharp/1 - AcquiringImages/1-AcquiringImages.csproj b/build2019/csharp/1 - AcquiringImages/1-AcquiringImages.csproj
index 872794d8..ca2050c2 100644
--- a/build2019/csharp/1 - AcquiringImages/1-AcquiringImages.csproj	
+++ b/build2019/csharp/1 - AcquiringImages/1-AcquiringImages.csproj	
@@ -18,29 +18,6 @@
     <NuGetPackageImportStamp>
     </NuGetPackageImportStamp>
   </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|AnyCPU'">
-    <DebugSymbols>true</DebugSymbols>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <OutputPath>$(SolutionDir)bin\$(Platform)\$(Configuration)\</OutputPath>
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
-    <Prefer32Bit>true</Prefer32Bit>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Optimize>true</Optimize>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|AnyCPU'">
-    <DefineConstants>TRACE</DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <OutputPath>$(SolutionDir)bin\$(Platform)\$(Configuration)\</OutputPath>
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-    <Prefer32Bit>true</Prefer32Bit>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-  </PropertyGroup>
   <PropertyGroup>
     <StartupObject>
     </StartupObject>
@@ -61,7 +38,7 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>true</Prefer32Bit>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Optimize>true</Optimize>
+    <Optimize>false</Optimize>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
     <OutputPath>bin\x86\Release\</OutputPath>
@@ -79,7 +56,7 @@
     <OutputPath>bin\x64\Debug\</OutputPath>
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Optimize>true</Optimize>
+    <Optimize>false</Optimize>
     <DebugType>full</DebugType>
     <PlatformTarget>x64</PlatformTarget>
     <ErrorReport>prompt</ErrorReport>
@@ -98,9 +75,6 @@
     <Prefer32Bit>true</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Microsoft.Azure.Kinect.Sensor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=6f6471c4ba98fac7, processorArchitecture=MSIL">
-      <HintPath>packages\Microsoft.Azure.Kinect.Sensor.1.2.0-beta.0\lib\netstandard2.0\Microsoft.Azure.Kinect.Sensor.dll</HintPath>
-    </Reference>
     <Reference Include="Microsoft.Rest.ClientRuntime, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>packages\Microsoft.Rest.ClientRuntime.2.3.19\lib\net452\Microsoft.Rest.ClientRuntime.dll</HintPath>
     </Reference>
@@ -112,29 +86,17 @@
       <HintPath>packages\Newtonsoft.Json.6.0.8\lib\net45\Newtonsoft.Json.dll</HintPath>
     </Reference>
     <Reference Include="System" />
-    <Reference Include="System.Buffers, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
-      <HintPath>packages\System.Buffers.4.4.0\lib\netstandard2.0\System.Buffers.dll</HintPath>
-    </Reference>
     <Reference Include="System.Data" />
     <Reference Include="System.Diagnostics.DiagnosticSource, Version=4.0.1.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
       <HintPath>packages\System.Diagnostics.DiagnosticSource.4.3.0\lib\net46\System.Diagnostics.DiagnosticSource.dll</HintPath>
     </Reference>
-    <Reference Include="System.Memory, Version=4.0.1.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
-      <HintPath>packages\System.Memory.4.5.3\lib\netstandard2.0\System.Memory.dll</HintPath>
-    </Reference>
     <Reference Include="System.Net" />
     <Reference Include="System.Net.Http, Version=4.1.1.3, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>packages\System.Net.Http.4.3.4\lib\net46\System.Net.Http.dll</HintPath>
     </Reference>
     <Reference Include="System.Net.Http.WebRequest" />
     <Reference Include="System.Numerics" />
-    <Reference Include="System.Numerics.Vectors, Version=4.1.4.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.Numerics.Vectors.4.5.0\lib\net46\System.Numerics.Vectors.dll</HintPath>
-    </Reference>
     <Reference Include="System.Runtime" />
-    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=4.0.4.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.Runtime.CompilerServices.Unsafe.4.5.2\lib\netstandard2.0\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
-    </Reference>
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.Security.Cryptography.Algorithms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>packages\System.Security.Cryptography.Algorithms.4.3.0\lib\net46\System.Security.Cryptography.Algorithms.dll</HintPath>
@@ -197,7 +159,6 @@
       <LastGenOutput>Resources.Designer.cs</LastGenOutput>
       <SubType>Designer</SubType>
     </EmbeddedResource>
-    <None Include="packages.config" />
     <None Include="Properties\Settings.settings">
       <Generator>SettingsSingleFileGenerator</Generator>
       <LastGenOutput>Settings.Designer.cs</LastGenOutput>
@@ -213,14 +174,12 @@
     <Resource Include="Images\ScreenshotHover.png" />
     <Resource Include="Images\ScreenshotNormal.png" />
   </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Azure.Kinect.Sensor">
+      <Version>1.3.0</Version>
+    </PackageReference>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <Import Project="packages\Microsoft.Azure.Kinect.Sensor.1.2.0-beta.0\build\netstandard2.0\Microsoft.Azure.Kinect.Sensor.targets" Condition="Exists('packages\Microsoft.Azure.Kinect.Sensor.1.2.0-beta.0\build\netstandard2.0\Microsoft.Azure.Kinect.Sensor.targets')" />
-  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
-    <PropertyGroup>
-      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
-    </PropertyGroup>
-    <Error Condition="!Exists('packages\Microsoft.Azure.Kinect.Sensor.1.2.0-beta.0\build\netstandard2.0\Microsoft.Azure.Kinect.Sensor.targets')" Text="$([System.String]::Format('$(ErrorText)', 'packages\Microsoft.Azure.Kinect.Sensor.1.2.0-beta.0\build\netstandard2.0\Microsoft.Azure.Kinect.Sensor.targets'))" />
-  </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">
diff --git a/build2019/csharp/1 - AcquiringImages/1-AcquiringImages.sln b/build2019/csharp/1 - AcquiringImages/1-AcquiringImages.sln
index 29807430..4e92f105 100644
--- a/build2019/csharp/1 - AcquiringImages/1-AcquiringImages.sln	
+++ b/build2019/csharp/1 - AcquiringImages/1-AcquiringImages.sln	
@@ -8,13 +8,19 @@ EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
 		Release|x64 = Release|x64
+		Release|x86 = Release|x86
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Debug|x64.ActiveCfg = Debug|x64
 		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Debug|x64.Build.0 = Debug|x64
+		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Debug|x86.ActiveCfg = Debug|x86
+		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Debug|x86.Build.0 = Debug|x86
 		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Release|x64.ActiveCfg = Release|x64
 		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Release|x64.Build.0 = Release|x64
+		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Release|x86.ActiveCfg = Release|x86
+		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Release|x86.Build.0 = Release|x86
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/build2019/csharp/1 - AcquiringImages/packages.config b/build2019/csharp/1 - AcquiringImages/packages.config
deleted file mode 100644
index 7c3be7ea..00000000
--- a/build2019/csharp/1 - AcquiringImages/packages.config	
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<packages>
-  <package id="Microsoft.Azure.Kinect.Sensor" version="1.2.0-beta.0" targetFramework="net48" />
-  <package id="System.Buffers" version="4.4.0" targetFramework="net48" />
-  <package id="System.Memory" version="4.5.3" targetFramework="net48" />
-  <package id="System.Numerics.Vectors" version="4.5.0" targetFramework="net48" />
-  <package id="System.Runtime.CompilerServices.Unsafe" version="4.5.2" targetFramework="net48" />
-</packages>
\ No newline at end of file
diff --git a/build2019/csharp/2 - TransformDepthToColor/2-TransformDepthToColor.csproj b/build2019/csharp/2 - TransformDepthToColor/2-TransformDepthToColor.csproj
index cfc058c7..f0e04515 100644
--- a/build2019/csharp/2 - TransformDepthToColor/2-TransformDepthToColor.csproj	
+++ b/build2019/csharp/2 - TransformDepthToColor/2-TransformDepthToColor.csproj	
@@ -18,29 +18,6 @@
     <NuGetPackageImportStamp>
     </NuGetPackageImportStamp>
   </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|AnyCPU'">
-    <DebugSymbols>true</DebugSymbols>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <OutputPath>$(SolutionDir)bin\$(Platform)\$(Configuration)\</OutputPath>
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
-    <Prefer32Bit>true</Prefer32Bit>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Optimize>true</Optimize>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|AnyCPU'">
-    <DefineConstants>TRACE</DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <OutputPath>$(SolutionDir)bin\$(Platform)\$(Configuration)\</OutputPath>
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-    <Prefer32Bit>true</Prefer32Bit>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-  </PropertyGroup>
   <PropertyGroup>
     <StartupObject>
     </StartupObject>
@@ -61,7 +38,7 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>true</Prefer32Bit>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Optimize>true</Optimize>
+    <Optimize>false</Optimize>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
     <OutputPath>bin\x86\Release\</OutputPath>
@@ -79,7 +56,7 @@
     <OutputPath>bin\x64\Debug\</OutputPath>
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Optimize>true</Optimize>
+    <Optimize>false</Optimize>
     <DebugType>full</DebugType>
     <PlatformTarget>x64</PlatformTarget>
     <ErrorReport>prompt</ErrorReport>
@@ -98,9 +75,6 @@
     <Prefer32Bit>true</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Microsoft.Azure.Kinect.Sensor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=6f6471c4ba98fac7, processorArchitecture=MSIL">
-      <HintPath>packages\Microsoft.Azure.Kinect.Sensor.1.2.0-beta.0\lib\netstandard2.0\Microsoft.Azure.Kinect.Sensor.dll</HintPath>
-    </Reference>
     <Reference Include="Microsoft.Rest.ClientRuntime, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>packages\Microsoft.Rest.ClientRuntime.2.3.19\lib\net452\Microsoft.Rest.ClientRuntime.dll</HintPath>
     </Reference>
@@ -112,29 +86,17 @@
       <HintPath>packages\Newtonsoft.Json.6.0.8\lib\net45\Newtonsoft.Json.dll</HintPath>
     </Reference>
     <Reference Include="System" />
-    <Reference Include="System.Buffers, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
-      <HintPath>packages\System.Buffers.4.4.0\lib\netstandard2.0\System.Buffers.dll</HintPath>
-    </Reference>
     <Reference Include="System.Data" />
     <Reference Include="System.Diagnostics.DiagnosticSource, Version=4.0.1.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
       <HintPath>packages\System.Diagnostics.DiagnosticSource.4.3.0\lib\net46\System.Diagnostics.DiagnosticSource.dll</HintPath>
     </Reference>
-    <Reference Include="System.Memory, Version=4.0.1.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
-      <HintPath>packages\System.Memory.4.5.3\lib\netstandard2.0\System.Memory.dll</HintPath>
-    </Reference>
     <Reference Include="System.Net" />
     <Reference Include="System.Net.Http, Version=4.1.1.3, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>packages\System.Net.Http.4.3.4\lib\net46\System.Net.Http.dll</HintPath>
     </Reference>
     <Reference Include="System.Net.Http.WebRequest" />
     <Reference Include="System.Numerics" />
-    <Reference Include="System.Numerics.Vectors, Version=4.1.4.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.Numerics.Vectors.4.5.0\lib\net46\System.Numerics.Vectors.dll</HintPath>
-    </Reference>
     <Reference Include="System.Runtime" />
-    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=4.0.4.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.Runtime.CompilerServices.Unsafe.4.5.2\lib\netstandard2.0\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
-    </Reference>
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.Security.Cryptography.Algorithms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>packages\System.Security.Cryptography.Algorithms.4.3.0\lib\net46\System.Security.Cryptography.Algorithms.dll</HintPath>
@@ -197,7 +159,6 @@
       <LastGenOutput>Resources.Designer.cs</LastGenOutput>
       <SubType>Designer</SubType>
     </EmbeddedResource>
-    <None Include="packages.config" />
     <None Include="Properties\Settings.settings">
       <Generator>SettingsSingleFileGenerator</Generator>
       <LastGenOutput>Settings.Designer.cs</LastGenOutput>
@@ -214,19 +175,17 @@
     <Resource Include="Images\ScreenshotNormal.png" />
     <Resource Include="Images\Status.png" />
   </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Azure.Kinect.Sensor">
+      <Version>1.3.0</Version>
+    </PackageReference>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <Import Project="packages\Microsoft.Azure.Kinect.Sensor.1.2.0-beta.0\build\netstandard2.0\Microsoft.Azure.Kinect.Sensor.targets" Condition="Exists('packages\Microsoft.Azure.Kinect.Sensor.1.2.0-beta.0\build\netstandard2.0\Microsoft.Azure.Kinect.Sensor.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.Azure.Kinect.Sensor.1.2.0-beta.0\build\netstandard2.0\Microsoft.Azure.Kinect.Sensor.targets')" Text="$([System.String]::Format('$(ErrorText)', 'packages\Microsoft.Azure.Kinect.Sensor.1.2.0-beta.0\build\netstandard2.0\Microsoft.Azure.Kinect.Sensor.targets'))" />
+  <!-- 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">
+  </Target>
+  <Target Name="AfterBuild">
   </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">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
   -->
 </Project>
\ No newline at end of file
diff --git a/build2019/csharp/2 - TransformDepthToColor/2-TransformDepthToColor.sln b/build2019/csharp/2 - TransformDepthToColor/2-TransformDepthToColor.sln
index 9ffe0a83..603caa1a 100644
--- a/build2019/csharp/2 - TransformDepthToColor/2-TransformDepthToColor.sln	
+++ b/build2019/csharp/2 - TransformDepthToColor/2-TransformDepthToColor.sln	
@@ -8,13 +8,19 @@ EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
 		Release|x64 = Release|x64
+		Release|x86 = Release|x86
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Debug|x64.ActiveCfg = Debug|x64
 		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Debug|x64.Build.0 = Debug|x64
+		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Debug|x86.ActiveCfg = Debug|x86
+		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Debug|x86.Build.0 = Debug|x86
 		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Release|x64.ActiveCfg = Release|x64
 		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Release|x64.Build.0 = Release|x64
+		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Release|x86.ActiveCfg = Release|x86
+		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Release|x86.Build.0 = Release|x86
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/build2019/csharp/2 - TransformDepthToColor/packages.config b/build2019/csharp/2 - TransformDepthToColor/packages.config
deleted file mode 100644
index 7c3be7ea..00000000
--- a/build2019/csharp/2 - TransformDepthToColor/packages.config	
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<packages>
-  <package id="Microsoft.Azure.Kinect.Sensor" version="1.2.0-beta.0" targetFramework="net48" />
-  <package id="System.Buffers" version="4.4.0" targetFramework="net48" />
-  <package id="System.Memory" version="4.5.3" targetFramework="net48" />
-  <package id="System.Numerics.Vectors" version="4.5.0" targetFramework="net48" />
-  <package id="System.Runtime.CompilerServices.Unsafe" version="4.5.2" targetFramework="net48" />
-</packages>
\ No newline at end of file
diff --git a/build2019/csharp/3 - SegmentColor/3-SegmentColor.csproj b/build2019/csharp/3 - SegmentColor/3-SegmentColor.csproj
index c49e68aa..f4c70ed1 100644
--- a/build2019/csharp/3 - SegmentColor/3-SegmentColor.csproj	
+++ b/build2019/csharp/3 - SegmentColor/3-SegmentColor.csproj	
@@ -18,29 +18,6 @@
     <NuGetPackageImportStamp>
     </NuGetPackageImportStamp>
   </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|AnyCPU'">
-    <DebugSymbols>true</DebugSymbols>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <OutputPath>$(SolutionDir)bin\$(Platform)\$(Configuration)\</OutputPath>
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
-    <Prefer32Bit>true</Prefer32Bit>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Optimize>true</Optimize>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|AnyCPU'">
-    <DefineConstants>TRACE</DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <OutputPath>$(SolutionDir)bin\$(Platform)\$(Configuration)\</OutputPath>
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-    <Prefer32Bit>true</Prefer32Bit>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-  </PropertyGroup>
   <PropertyGroup>
     <StartupObject>
     </StartupObject>
@@ -61,7 +38,7 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>true</Prefer32Bit>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Optimize>true</Optimize>
+    <Optimize>false</Optimize>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
     <OutputPath>bin\x86\Release\</OutputPath>
@@ -79,7 +56,7 @@
     <OutputPath>bin\x64\Debug\</OutputPath>
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Optimize>true</Optimize>
+    <Optimize>false</Optimize>
     <DebugType>full</DebugType>
     <PlatformTarget>x64</PlatformTarget>
     <ErrorReport>prompt</ErrorReport>
@@ -98,9 +75,6 @@
     <Prefer32Bit>true</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Microsoft.Azure.Kinect.Sensor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=6f6471c4ba98fac7, processorArchitecture=MSIL">
-      <HintPath>packages\Microsoft.Azure.Kinect.Sensor.1.2.0-beta.0\lib\netstandard2.0\Microsoft.Azure.Kinect.Sensor.dll</HintPath>
-    </Reference>
     <Reference Include="Microsoft.Rest.ClientRuntime, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>packages\Microsoft.Rest.ClientRuntime.2.3.19\lib\net452\Microsoft.Rest.ClientRuntime.dll</HintPath>
     </Reference>
@@ -112,29 +86,17 @@
       <HintPath>packages\Newtonsoft.Json.6.0.8\lib\net45\Newtonsoft.Json.dll</HintPath>
     </Reference>
     <Reference Include="System" />
-    <Reference Include="System.Buffers, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
-      <HintPath>packages\System.Buffers.4.4.0\lib\netstandard2.0\System.Buffers.dll</HintPath>
-    </Reference>
     <Reference Include="System.Data" />
     <Reference Include="System.Diagnostics.DiagnosticSource, Version=4.0.1.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
       <HintPath>packages\System.Diagnostics.DiagnosticSource.4.3.0\lib\net46\System.Diagnostics.DiagnosticSource.dll</HintPath>
     </Reference>
-    <Reference Include="System.Memory, Version=4.0.1.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
-      <HintPath>packages\System.Memory.4.5.3\lib\netstandard2.0\System.Memory.dll</HintPath>
-    </Reference>
     <Reference Include="System.Net" />
     <Reference Include="System.Net.Http, Version=4.1.1.3, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>packages\System.Net.Http.4.3.4\lib\net46\System.Net.Http.dll</HintPath>
     </Reference>
     <Reference Include="System.Net.Http.WebRequest" />
     <Reference Include="System.Numerics" />
-    <Reference Include="System.Numerics.Vectors, Version=4.1.4.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.Numerics.Vectors.4.5.0\lib\net46\System.Numerics.Vectors.dll</HintPath>
-    </Reference>
     <Reference Include="System.Runtime" />
-    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=4.0.4.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.Runtime.CompilerServices.Unsafe.4.5.2\lib\netstandard2.0\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
-    </Reference>
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.Security.Cryptography.Algorithms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>packages\System.Security.Cryptography.Algorithms.4.3.0\lib\net46\System.Security.Cryptography.Algorithms.dll</HintPath>
@@ -197,7 +159,6 @@
       <LastGenOutput>Resources.Designer.cs</LastGenOutput>
       <SubType>Designer</SubType>
     </EmbeddedResource>
-    <None Include="packages.config" />
     <None Include="Properties\Settings.settings">
       <Generator>SettingsSingleFileGenerator</Generator>
       <LastGenOutput>Settings.Designer.cs</LastGenOutput>
@@ -214,14 +175,12 @@
     <Resource Include="Images\ScreenshotNormal.png" />
     <Resource Include="Images\Status.png" />
   </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Azure.Kinect.Sensor">
+      <Version>1.3.0</Version>
+    </PackageReference>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <Import Project="packages\Microsoft.Azure.Kinect.Sensor.1.2.0-beta.0\build\netstandard2.0\Microsoft.Azure.Kinect.Sensor.targets" Condition="Exists('packages\Microsoft.Azure.Kinect.Sensor.1.2.0-beta.0\build\netstandard2.0\Microsoft.Azure.Kinect.Sensor.targets')" />
-  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
-    <PropertyGroup>
-      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
-    </PropertyGroup>
-    <Error Condition="!Exists('packages\Microsoft.Azure.Kinect.Sensor.1.2.0-beta.0\build\netstandard2.0\Microsoft.Azure.Kinect.Sensor.targets')" Text="$([System.String]::Format('$(ErrorText)', 'packages\Microsoft.Azure.Kinect.Sensor.1.2.0-beta.0\build\netstandard2.0\Microsoft.Azure.Kinect.Sensor.targets'))" />
-  </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">
diff --git a/build2019/csharp/3 - SegmentColor/3-SegmentColor.sln b/build2019/csharp/3 - SegmentColor/3-SegmentColor.sln
index f0b86fca..f8e169de 100644
--- a/build2019/csharp/3 - SegmentColor/3-SegmentColor.sln	
+++ b/build2019/csharp/3 - SegmentColor/3-SegmentColor.sln	
@@ -8,13 +8,19 @@ EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
 		Release|x64 = Release|x64
+		Release|x86 = Release|x86
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Debug|x64.ActiveCfg = Debug|x64
 		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Debug|x64.Build.0 = Debug|x64
+		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Debug|x86.ActiveCfg = Debug|x86
+		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Debug|x86.Build.0 = Debug|x86
 		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Release|x64.ActiveCfg = Release|x64
 		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Release|x64.Build.0 = Release|x64
+		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Release|x86.ActiveCfg = Release|x86
+		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Release|x86.Build.0 = Release|x86
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/build2019/csharp/3 - SegmentColor/packages.config b/build2019/csharp/3 - SegmentColor/packages.config
deleted file mode 100644
index 7c3be7ea..00000000
--- a/build2019/csharp/3 - SegmentColor/packages.config	
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<packages>
-  <package id="Microsoft.Azure.Kinect.Sensor" version="1.2.0-beta.0" targetFramework="net48" />
-  <package id="System.Buffers" version="4.4.0" targetFramework="net48" />
-  <package id="System.Memory" version="4.5.3" targetFramework="net48" />
-  <package id="System.Numerics.Vectors" version="4.5.0" targetFramework="net48" />
-  <package id="System.Runtime.CompilerServices.Unsafe" version="4.5.2" targetFramework="net48" />
-</packages>
\ No newline at end of file
diff --git a/build2019/csharp/4 - CognitiveServices/4-CognitiveServices.csproj b/build2019/csharp/4 - CognitiveServices/4-CognitiveServices.csproj
index 76dbe89c..61df433b 100644
--- a/build2019/csharp/4 - CognitiveServices/4-CognitiveServices.csproj	
+++ b/build2019/csharp/4 - CognitiveServices/4-CognitiveServices.csproj	
@@ -18,29 +18,6 @@
     <NuGetPackageImportStamp>
     </NuGetPackageImportStamp>
   </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|AnyCPU'">
-    <DebugSymbols>true</DebugSymbols>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
-    <DebugType>full</DebugType>
-    <OutputPath>$(SolutionDir)bin\$(Platform)\$(Configuration)\</OutputPath>
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
-    <Prefer32Bit>true</Prefer32Bit>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Optimize>true</Optimize>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|AnyCPU'">
-    <DefineConstants>TRACE</DefineConstants>
-    <Optimize>true</Optimize>
-    <DebugType>pdbonly</DebugType>
-    <OutputPath>$(SolutionDir)bin\$(Platform)\$(Configuration)\</OutputPath>
-    <PlatformTarget>AnyCPU</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-    <Prefer32Bit>true</Prefer32Bit>
-    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-  </PropertyGroup>
   <PropertyGroup>
     <StartupObject>
     </StartupObject>
@@ -61,7 +38,7 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>true</Prefer32Bit>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Optimize>true</Optimize>
+    <Optimize>false</Optimize>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
     <OutputPath>bin\x86\Release\</OutputPath>
@@ -79,7 +56,7 @@
     <OutputPath>bin\x64\Debug\</OutputPath>
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Optimize>true</Optimize>
+    <Optimize>false</Optimize>
     <DebugType>full</DebugType>
     <PlatformTarget>x64</PlatformTarget>
     <ErrorReport>prompt</ErrorReport>
@@ -98,79 +75,17 @@
     <Prefer32Bit>true</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Microsoft.Azure.CognitiveServices.Vision.ComputerVision, Version=5.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
-      <HintPath>packages\Microsoft.Azure.CognitiveServices.Vision.ComputerVision.5.0.0\lib\net452\Microsoft.Azure.CognitiveServices.Vision.ComputerVision.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Azure.Kinect.Sensor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=6f6471c4ba98fac7, processorArchitecture=MSIL">
-      <HintPath>packages\Microsoft.Azure.Kinect.Sensor.1.2.0-beta.0\lib\netstandard2.0\Microsoft.Azure.Kinect.Sensor.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Rest.ClientRuntime, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
-      <HintPath>packages\Microsoft.Rest.ClientRuntime.2.3.18\lib\net452\Microsoft.Rest.ClientRuntime.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Rest.ClientRuntime.Azure, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
-      <HintPath>packages\Microsoft.Rest.ClientRuntime.Azure.3.3.18\lib\net452\Microsoft.Rest.ClientRuntime.Azure.dll</HintPath>
-    </Reference>
     <Reference Include="netstandard, Version=2.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51" />
-    <Reference Include="Newtonsoft.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>packages\Newtonsoft.Json.6.0.8\lib\net45\Newtonsoft.Json.dll</HintPath>
-    </Reference>
     <Reference Include="System" />
-    <Reference Include="System.Buffers, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
-      <HintPath>packages\System.Buffers.4.4.0\lib\netstandard2.0\System.Buffers.dll</HintPath>
-    </Reference>
     <Reference Include="System.ComponentModel.Composition" />
     <Reference Include="System.Data" />
     <Reference Include="System.Diagnostics.DiagnosticSource, Version=4.0.1.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
       <HintPath>packages\System.Diagnostics.DiagnosticSource.4.3.0\lib\net46\System.Diagnostics.DiagnosticSource.dll</HintPath>
     </Reference>
-    <Reference Include="System.IO, Version=4.1.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.IO.4.3.0\lib\net462\System.IO.dll</HintPath>
-      <Private>True</Private>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Memory, Version=4.0.1.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
-      <HintPath>packages\System.Memory.4.5.3\lib\netstandard2.0\System.Memory.dll</HintPath>
-    </Reference>
     <Reference Include="System.Net" />
-    <Reference Include="System.Net.Http, Version=4.1.1.3, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.Net.Http.4.3.4\lib\net46\System.Net.Http.dll</HintPath>
-      <Private>True</Private>
-      <Private>True</Private>
-    </Reference>
     <Reference Include="System.Net.Http.WebRequest" />
     <Reference Include="System.Numerics" />
-    <Reference Include="System.Numerics.Vectors, Version=4.1.4.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.Numerics.Vectors.4.5.0\lib\net46\System.Numerics.Vectors.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Runtime, Version=4.1.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.Runtime.4.3.0\lib\net462\System.Runtime.dll</HintPath>
-      <Private>True</Private>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=4.0.4.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.Runtime.CompilerServices.Unsafe.4.5.2\lib\netstandard2.0\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
-    </Reference>
     <Reference Include="System.Runtime.Serialization" />
-    <Reference Include="System.Security.Cryptography.Algorithms, Version=4.2.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.Security.Cryptography.Algorithms.4.3.0\lib\net463\System.Security.Cryptography.Algorithms.dll</HintPath>
-      <Private>True</Private>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Security.Cryptography.Encoding, Version=4.0.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.Security.Cryptography.Encoding.4.3.0\lib\net46\System.Security.Cryptography.Encoding.dll</HintPath>
-      <Private>True</Private>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Security.Cryptography.Primitives, Version=4.0.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.Security.Cryptography.Primitives.4.3.0\lib\net46\System.Security.Cryptography.Primitives.dll</HintPath>
-      <Private>True</Private>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Security.Cryptography.X509Certificates, Version=4.1.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\System.Security.Cryptography.X509Certificates.4.3.0\lib\net461\System.Security.Cryptography.X509Certificates.dll</HintPath>
-      <Private>True</Private>
-      <Private>True</Private>
-    </Reference>
     <Reference Include="System.Xml" />
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Core" />
@@ -220,7 +135,6 @@
       <LastGenOutput>Resources.Designer.cs</LastGenOutput>
       <SubType>Designer</SubType>
     </EmbeddedResource>
-    <None Include="packages.config" />
     <None Include="Properties\Settings.settings">
       <Generator>SettingsSingleFileGenerator</Generator>
       <LastGenOutput>Settings.Designer.cs</LastGenOutput>
@@ -236,14 +150,18 @@
     <Resource Include="Images\ScreenshotHover.png" />
     <Resource Include="Images\ScreenshotNormal.png" />
   </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Azure.CognitiveServices.Vision.ComputerVision">
+      <Version>5.0.0</Version>
+    </PackageReference>
+    <PackageReference Include="Microsoft.Azure.Kinect.Sensor">
+      <Version>1.3.0</Version>
+    </PackageReference>
+    <PackageReference Include="System.Net.Http">
+      <Version>4.3.4</Version>
+    </PackageReference>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <Import Project="packages\Microsoft.Azure.Kinect.Sensor.1.2.0-beta.0\build\netstandard2.0\Microsoft.Azure.Kinect.Sensor.targets" Condition="Exists('packages\Microsoft.Azure.Kinect.Sensor.1.2.0-beta.0\build\netstandard2.0\Microsoft.Azure.Kinect.Sensor.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.Azure.Kinect.Sensor.1.2.0-beta.0\build\netstandard2.0\Microsoft.Azure.Kinect.Sensor.targets')" Text="$([System.String]::Format('$(ErrorText)', 'packages\Microsoft.Azure.Kinect.Sensor.1.2.0-beta.0\build\netstandard2.0\Microsoft.Azure.Kinect.Sensor.targets'))" />
-  </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">
diff --git a/build2019/csharp/4 - CognitiveServices/4-CognitiveServices.sln b/build2019/csharp/4 - CognitiveServices/4-CognitiveServices.sln
index 2f0a89a7..985470d0 100644
--- a/build2019/csharp/4 - CognitiveServices/4-CognitiveServices.sln	
+++ b/build2019/csharp/4 - CognitiveServices/4-CognitiveServices.sln	
@@ -8,13 +8,19 @@ EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
 		Release|x64 = Release|x64
+		Release|x86 = Release|x86
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Debug|x64.ActiveCfg = Debug|x64
 		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Debug|x64.Build.0 = Debug|x64
+		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Debug|x86.ActiveCfg = Debug|x86
+		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Debug|x86.Build.0 = Debug|x86
 		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Release|x64.ActiveCfg = Release|x64
 		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Release|x64.Build.0 = Release|x64
+		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Release|x86.ActiveCfg = Release|x86
+		{4BB6C393-9003-4608-BD70-F3FDA26378AA}.Release|x86.Build.0 = Release|x86
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/build2019/csharp/4 - CognitiveServices/packages.config b/build2019/csharp/4 - CognitiveServices/packages.config
deleted file mode 100644
index e27d1c95..00000000
--- a/build2019/csharp/4 - CognitiveServices/packages.config	
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<packages>
-  <package id="Microsoft.Azure.CognitiveServices.Vision.ComputerVision" version="5.0.0" targetFramework="net48" />
-  <package id="Microsoft.Azure.Kinect.Sensor" version="1.2.0-beta.0" targetFramework="net48" />
-  <package id="Microsoft.Rest.ClientRuntime" version="2.3.18" targetFramework="net48" />
-  <package id="Microsoft.Rest.ClientRuntime.Azure" version="3.3.18" targetFramework="net48" />
-  <package id="Newtonsoft.Json" version="6.0.8" targetFramework="net48" />
-  <package id="System.Buffers" version="4.4.0" targetFramework="net48" />
-  <package id="System.IO" version="4.3.0" targetFramework="net48" />
-  <package id="System.Memory" version="4.5.3" targetFramework="net48" />
-  <package id="System.Net.Http" version="4.3.4" targetFramework="net48" />
-  <package id="System.Numerics.Vectors" version="4.5.0" targetFramework="net48" />
-  <package id="System.Runtime" version="4.3.0" targetFramework="net48" />
-  <package id="System.Runtime.CompilerServices.Unsafe" version="4.5.2" targetFramework="net48" />
-  <package id="System.Security.Cryptography.Algorithms" version="4.3.0" targetFramework="net48" />
-  <package id="System.Security.Cryptography.Encoding" version="4.3.0" targetFramework="net48" />
-  <package id="System.Security.Cryptography.Primitives" version="4.3.0" targetFramework="net48" />
-  <package id="System.Security.Cryptography.X509Certificates" version="4.3.0" targetFramework="net48" />
-</packages>
\ No newline at end of file