Updgraded Test Projects to net5.0, and also added net5.0 as TargetFramework to the other projects

Tools/GraphDrawer/GraphDrawer.csproj

@@ -5,7 +5,7 @@
     <RootNamespace>GraphDrawer</RootNamespace>
     <AssemblyName>GraphDrawer</AssemblyName>
     <DefineConstants />
-    <TargetFrameworks>net48</TargetFrameworks>
+    <TargetFrameworks>net5.0-windows</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>

VECTOAux/VectoAuxiliariesTests/VectoAuxiliariesTests.vbproj

@@ -9,28 +9,9 @@
     <OptionCompare>Binary</OptionCompare>
     <OptionStrict>On</OptionStrict>
     <OptionInfer>On</OptionInfer>
-    <TargetFrameworks>net48</TargetFrameworks>
+    <TargetFrameworks>net5.0</TargetFrameworks>
   </PropertyGroup>
 
-  <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.ComponentModel.DataAnnotations" />
-    <Reference Include="System.Configuration" />
-    <Reference Include="System.Data" />
-    <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="System.Drawing" />
-    <Reference Include="System.IO.Compression" />
-    <Reference Include="System.Runtime.Serialization" />
-    <Reference Include="System.ServiceModel" />
-    <Reference Include="System.Transactions" />
-    <Reference Include="System.Windows.Forms" />
-    <Reference Include="System.Windows.Forms.DataVisualization" />
-    <Reference Include="System.Xml" />
-    <Reference Include="System.Xml.Linq" />
-    <Reference Include="System.Threading.Tasks.Extensions" />
-    <Reference Include="System.Core" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="NUnit" Version="3.13.2" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.2.1" />

Vecto3GUI2020Test/Vecto3GUI2020Test.csproj

 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net48</TargetFrameworks>
+    <TargetFrameworks>net5.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
@@ -16,13 +16,10 @@
 
   <ItemGroup>
     <ProjectReference Include="..\VECTO3GUI2020\VECTO3GUI2020.csproj" />
+    <ProjectReference Include="..\VectoCommon\VectoCommon\VectoCommon.csproj" />
     <ProjectReference Include="..\VectoCore\VectoCore\VectoCore.csproj" />
   </ItemGroup>
 
-  <ItemGroup>
-    <Reference Include="PresentationFramework" />
-  </ItemGroup>
-
   <ItemGroup>
     <Folder Include="HelperTests\" />
     <Folder Include="Testdata\bugreports\" />
@@ -122,4 +119,10 @@
     </None>
   </ItemGroup>
 
+  <ItemGroup>
+    <Reference Include="PresentationFramework">
+      <HintPath>C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.8\PresentationFramework.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+
 </Project>

VectoCommon/VectoCommon/VectoCommon.csproj

@@ -8,16 +8,14 @@
     <RootNamespace>TUGraz.VectoCommon</RootNamespace>
     <AssemblyName>VectoCommon</AssemblyName>
     <DefineConstants />
+    <TargetFrameworks>net45;net48;net5.0</TargetFrameworks>
   </PropertyGroup>
 
-  <ItemGroup>
-    <Reference Include="System.ComponentModel.DataAnnotations" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="NLog" Version="4.7.13" />
-    <PackageReference Include="System.ValueTuple" Version="4.5.0" />
+    <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" />
+    <PackageReference Condition="'$(TargetFramework)'=='net45'" Include="System.ValueTuple" Version="4.5.0" />
   </ItemGroup>
 
   <ItemGroup>

VectoCore/ModelbasedTests/ModelbasedTests.csproj

@@ -4,7 +4,7 @@
     <RootNamespace>TUGraz.VectoCore.ModelbasedTests</RootNamespace>
     <AssemblyName>ModelbasedTests</AssemblyName>
     <DefineConstants />
-    <TargetFrameworks>net48</TargetFrameworks>
+    <TargetFrameworks>net5.0</TargetFrameworks>
   </PropertyGroup>
   
   <ItemGroup>

VectoCore/VectoCoreTest/VectoCoreTest.csproj

@@ -4,25 +4,9 @@
     <RootNamespace>TUGraz.VectoCore.Tests</RootNamespace>
     <AssemblyName>VectoCoreTest</AssemblyName>
     <DefineConstants />
-    <TargetFrameworks>net48</TargetFrameworks>
+    <TargetFrameworks>net5.0</TargetFrameworks>
   </PropertyGroup>
 
-  <ItemGroup>
-    <Reference Include="System" />
-    <Reference Include="System.ComponentModel.DataAnnotations" />
-    <Reference Include="System.Configuration" />
-    <Reference Include="System.Data" />
-    <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="System.Drawing" />
-    <Reference Include="System.IO.Compression" />
-    <Reference Include="System.Runtime.Serialization" />
-    <Reference Include="System.ServiceModel" />
-    <Reference Include="System.Transactions" />
-    <Reference Include="System.Windows.Forms" />
-    <Reference Include="System.Windows.Forms.DataVisualization" />
-    <Reference Include="System.Xml" />
-    <Reference Include="System.Xml.Linq" />
-  </ItemGroup>
 
   <ItemGroup>
     <PackageReference Include="NUnit" Version="3.13.2" />