Add .NET 5 support

Author: BionicCode

BionicCode.Net/BionicCode.Controls.Net.Core.Wpf/AnalogClockFace.cs

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFrameworks>netcoreapp3.1;net48</TargetFrameworks>
     <UseWPF>true</UseWPF>
     <ApplicationIcon>logo.ico</ApplicationIcon>
   </PropertyGroup>

BionicCode.Net/BionicCode.Controls.Net.Core.Wpf/BionicCode.Controls.Net.Core.Wpf.csproj

@@ -3,7 +3,7 @@
 using System.Windows.Controls;
 using System.Windows.Input;
 
-namespace BionicCode.Controls.Net.Core.Wpf.Controls
+namespace BionicCode.Controls.Net.Core.Wpf
 {
   /// <summary>
   /// Follow steps 1a or 1b and then 2 to use this custom control in a XAML file.

BionicCode.Net/BionicCode.Controls.Net.Core.Wpf/BionicCode.Controls.Net.Core.Wpf.xml

@@ -12,7 +12,7 @@
 
 #endregion
 
-namespace BionicCode.Controls.Net.Core.Wpf.Controls
+namespace BionicCode.Controls.Net.Core.Wpf
 {
   /// <summary>
   /// Implement this interface to apply a custom highlight style for more complex scenarios e.g., code editors.

BionicCode.Net/BionicCode.Controls.Net.Core.Wpf/Controls/ClosableTabControl.cs renamed to BionicCode.Net/BionicCode.Controls.Net.Core.Wpf/ClosableTabControl.cs

@@ -8,7 +8,7 @@
 using System.Windows.Data;
 using System.Windows.Input;
 
-namespace BionicCode.Controls.Net.Core.Wpf.Controls
+namespace BionicCode.Controls.Net.Core.Wpf
 {
   /// <summary>
   /// Follow steps 1a or 1b and then 2 to use this custom control in a XAML file.

BionicCode.Net/BionicCode.Controls.Net.Core.Wpf/Converters/DiameterToRadiusConverter.cs

@@ -3,7 +3,7 @@
 using System.Windows.Controls;
 using System.Windows.Media;
 
-namespace BionicCode.Controls.Net.Core.Wpf.Controls
+namespace BionicCode.Controls.Net.Core.Wpf
 {
   public enum ItemsUpdatingScrollMode
   {