Changed target framework to version 4.8

PepLib.Dxf/PepLib.Dxf.csproj

@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>PepLib.Dxf</RootNamespace>
     <AssemblyName>PepLib.Dxf</AssemblyName>
-    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
   </PropertyGroup>

PepLib.UI/App.config

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
     <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.1"/>
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8"/>
     </startup>
 </configuration>

PepLib.UI/PepLib.UI.csproj

@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>PepLib.UI</RootNamespace>
     <AssemblyName>PepLib.UI</AssemblyName>
-    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
     <TargetFrameworkProfile />

PepLib.UI/Properties/Resources.Designer.cs

@@ -19,7 +19,7 @@ namespace PepLib.UI.Properties {
     // class via a tool like ResGen or Visual Studio.
     // To add or remove a member, edit your .ResX file then rerun ResGen
     // with the /str option, or rebuild your VS project.
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "15.0.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "17.0.0.0")]
     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
     internal class Resources {

PepLib.UI/Properties/Settings.Designer.cs

@@ -12,7 +12,7 @@ namespace PepLib.UI.Properties {
     
     
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "15.8.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "17.5.0.0")]
     internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
         
         private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));

PepLib.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 15
+# Visual Studio Version 17
-VisualStudioVersion = 15.0.28307.329
+VisualStudioVersion = 17.5.33424.131
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PepLib", "PepLib\PepLib.csproj", "{22360453-B878-49FA-A5DC-0D9C577DE902}"
 EndProject

PepLib/Machine.cs

@@ -1,5 +1,8 @@
-namespace PepLib
+using System;
+
+namespace PepLib
 {
+    [Serializable]
     public class Machine
     {
         public int Id { get; set; }

PepLib/Material.cs

@@ -1,5 +1,8 @@
-namespace PepLib
+using System;
+
+namespace PepLib
 {
+    [Serializable]
     public class Material
     {
         public int Id { get; set; }

PepLib/Part.cs

@@ -2,6 +2,7 @@
 
 namespace PepLib
 {
+    [Serializable]
     public class Part : IMovable
     {
         private Loop baseLoop;

PepLib/Plate.cs

@@ -4,6 +4,7 @@ using System.Linq;
 
 namespace PepLib
 {
+    [Serializable]
     public class Plate : IMovable
     {
         public Plate()

PepLib/Size.cs

@@ -1,5 +1,8 @@
-namespace PepLib
+using System;
+
+namespace PepLib
 {
+    [Serializable]
     public class Size
     {
         public Size(double height, double width)

PepLib/Spacing.cs

@@ -1,6 +1,9 @@
 
+using System;
+
 namespace PepLib
 {
+    [Serializable]
     public class Spacing
     {
         public Spacing()