minnor fixes

Source/Samples/Samples.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
     <OutputPath>..\..\BuildOutput\Samples</OutputPath>
   </PropertyGroup>

Source/Samples/Sections/Category.cs

@@ -6,6 +6,7 @@ namespace Samples
     enum Category
     {
         Widgets,
-        Dialogs
+        Dialogs,
+        Miscellaneous
     }
 }

Source/Samples/Sections/Miscellaneous/PolarFixedSection.cs

@@ -0,0 +1,64 @@
+using System;
+using Gtk;
+
+namespace Samples
+{
+    [Section(ContentType = typeof(PolarFixed), Category = Category.Miscellaneous)]
+    class PolarFixedSection : ListSection
+    {
+        public PolarFixedSection()
+        {
+            AddItem(CreateClock());
+            AddItem(CreateSpiral());
+        }
+
+        public (string, Widget) CreateClock()
+        {
+            double theta;
+
+            // Clock
+            PolarFixed pf = new PolarFixed();
+
+            for (int hour = 1; hour <= 12; hour++)
+            {
+                theta = (Math.PI / 2) - hour * (Math.PI / 6);
+                if (theta < 0)
+                    theta += 2 * Math.PI;
+
+                Label l = new Label("<big><b>" + hour.ToString() + "</b></big>");
+                l.UseMarkup = true;
+                pf.Put(l, theta, 50);
+            }
+
+            return ("Clock", pf);
+        }
+
+        public (string, Widget) CreateSpiral()
+        {
+            uint r;
+            double theta;
+
+            var pf = new PolarFixed();
+
+
+            r = 0;
+            theta = 0.0;
+
+            foreach (string id in Gtk.Stock.ListIds())
+            {
+                StockItem item = Gtk.Stock.Lookup(id);
+                if (item.Label == null)
+                    continue;
+                var icon = Gtk.Image.NewFromIconName(item.StockId, IconSize.SmallToolbar);
+
+                pf.Put(icon, theta, r);
+
+                // Logarithmic spiral: r = a*e^(b*theta)
+                r += 1;
+                theta = 10 * Math.Log(10 * r);
+            }
+
+            return ("Spiral", pf);
+        }
+    }
+}

Source/Samples/Sections/Widgets/PolarFixedSection.cs

@@ -1,64 +0,0 @@
-using System;
-using Gtk;
-
-namespace Samples
-{
-	[Section(ContentType = typeof(PolarFixed), Category = Category.Widgets)]
-	class PolarFixedSection : ListSection
-	{
-		public PolarFixedSection()
-		{
-			AddItem(CreateClock());
-			AddItem(CreateSpiral());
-		}
-
-		public (string, Widget) CreateClock()
-		{
-			uint r;
-			double theta;
-
-
-			// Clock
-			PolarFixed pf = new PolarFixed();
-
-			for (int hour = 1; hour <= 12; hour++) {
-				theta = (Math.PI / 2) - hour * (Math.PI / 6);
-				if (theta < 0)
-					theta += 2 * Math.PI;
-
-				Label l = new Label("<big><b>" + hour.ToString() + "</b></big>");
-				l.UseMarkup = true;
-				pf.Put(l, theta, 50);
-			}
-
-			return ("Clock", pf);
-		}
-
-		public (string, Widget) CreateSpiral()
-		{
-			uint r;
-			double theta;
-
-			var pf = new PolarFixed();
-
-
-			r = 0;
-			theta = 0.0;
-
-			foreach (string id in Gtk.Stock.ListIds()) {
-				StockItem item = Gtk.Stock.Lookup(id);
-				if (item.Label == null)
-					continue;
-				var icon = Gtk.Image.NewFromIconName(item.StockId, IconSize.SmallToolbar);
-
-				pf.Put(icon, theta, r);
-
-				// Logarithmic spiral: r = a*e^(b*theta)
-				r += 1;
-				theta = 10 * Math.Log(10 * r);
-			}
-
-			return ("Spiral", pf);
-		}
-	}
-}

Source/Templates/GtkSharp.Template.CSharp/content/GtkSharp.Application.CSharp/GtkNamespace.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

Source/Templates/GtkSharp.Template.FSharp/content/GtkSharp.Application.FSharp/GtkNamespace.fsproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

Source/Templates/GtkSharp.Template.VBNet/content/GtkSharp.Application.VBNet/GtkNamespace.vbproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>