CsWinRT1028, C# LangVersion 12

MapControl/Shared/CenteredBoundingBox.cs

@@ -2,17 +2,10 @@
 
 namespace MapControl
 {
-    public class CenteredBoundingBox : BoundingBox
+    public class CenteredBoundingBox(Location center, double width, double height) : BoundingBox
     {
-        public CenteredBoundingBox(Location center, double width, double height)
+        public override Location Center { get; } = center;
-        {
+        public override double Width { get; } = Math.Max(width, 0d);
-            Center = center;
+        public override double Height { get; } = Math.Max(height, 0d);
-            Width = Math.Max(width, 0d);
-            Height = Math.Max(height, 0d);
-        }
-
-        public override Location Center { get; }
-        public override double Width { get; }
-        public override double Height { get; }
     }
 }

MapControl/Shared/FilePath.cs

@@ -6,10 +6,10 @@ namespace MapControl
     {
         public static string GetFullPath(string path)
         {
-#if NET6_0_OR_GREATER
+#if NETFRAMEWORK
-            return Path.GetFullPath(path, System.AppDomain.CurrentDomain.BaseDirectory);
-#else
             return Path.GetFullPath(path);
+#else
+            return Path.GetFullPath(path, System.AppDomain.CurrentDomain.BaseDirectory);
 #endif
         }
     }

MapControl/Shared/GroundOverlay.cs

@@ -26,7 +26,7 @@ using Avalonia.Media;
 
 namespace MapControl
 {
-    public class GroundOverlay : MapPanel
+    public partial class GroundOverlay : MapPanel
     {
         private class ImageOverlay
         {

MapControl/Shared/ImageFileCache.cs

@@ -23,7 +23,7 @@ namespace MapControl.Caching
     /// IDistributedCache implementation that creates a single file per cache entry.
     /// The cache expiration time is stored in the file's CreationTime property.
     /// </summary>
-    public sealed class ImageFileCache : IDistributedCache, IDisposable
+    public sealed partial class ImageFileCache : IDistributedCache, IDisposable
     {
         private readonly MemoryDistributedCache memoryCache;
         private readonly DirectoryInfo rootDirectory;

MapControl/Shared/LocationCollection.cs

@@ -13,7 +13,7 @@ namespace MapControl
 #else
     [System.ComponentModel.TypeConverter(typeof(LocationCollectionConverter))]
 #endif
-    public class LocationCollection : List<Location>
+    public partial class LocationCollection : List<Location>
     {
         public LocationCollection()
         {

MapControl/Shared/MapBorderPanel.cs

@@ -16,7 +16,7 @@ namespace MapControl
     /// Such elements are arranged at a distance of BorderWidth/2 from the edges of the
     /// MapBorderPanel in direction of their original azimuth from the map center.
     /// </summary>
-    public class MapBorderPanel : MapPanel
+    public partial class MapBorderPanel : MapPanel
     {
         public static readonly DependencyProperty BorderWidthProperty =
             DependencyPropertyHelper.Register<MapBorderPanel, double>(nameof(BorderWidth));

MapControl/Shared/MapGraticule.cs

@@ -24,22 +24,13 @@ namespace MapControl
     /// </summary>
     public partial class MapGraticule
     {
-        private class Label
+        private class Label(string latText, string lonText, double x, double y, double rotation)
         {
-            public Label(string latText, string lonText, double x, double y, double rotation)
+            public string LatitudeText { get; } = latText;
-            {
+            public string LongitudeText { get; } = lonText;
-                LatitudeText = latText;
+            public double X { get; } = x;
-                LongitudeText = lonText;
+            public double Y { get; } = y;
-                X = x;
+            public double Rotation { get; } = rotation;
-                Y = y;
-                Rotation = rotation;
-            }
-
-            public string LatitudeText { get; }
-            public string LongitudeText { get; }
-            public double X { get; }
-            public double Y { get; }
-            public double Rotation { get; }
         }
 
         private const double LineInterpolationResolution = 2d;

MapControl/Shared/MapMultiPolygon.cs

@@ -17,7 +17,7 @@ namespace MapControl
     /// for the Polygons property if collection changes of the property itself and its
     /// elements are both supposed to trigger UI updates.
     /// </summary>
-    public class MapMultiPolygon : MapPolypoint
+    public partial class MapMultiPolygon : MapPolypoint
     {
         public static readonly DependencyProperty PolygonsProperty =
             DependencyPropertyHelper.Register<MapMultiPolygon, IEnumerable<IEnumerable<Location>>>(nameof(Polygons), null,

MapControl/Shared/MapOverlaysPanel.cs

@@ -16,7 +16,7 @@ namespace MapControl
     /// <summary>
     /// A MapPanel with a collection of GroundOverlay or GeoImage children.
     /// </summary>
-    public class MapOverlaysPanel : MapPanel
+    public partial class MapOverlaysPanel : MapPanel
     {
         public static readonly DependencyProperty SourcePathsProperty =
             DependencyPropertyHelper.Register<MapOverlaysPanel, IEnumerable<string>>(nameof(SourcePaths), null,

MapControl/Shared/MapPolygon.cs

@@ -12,7 +12,7 @@ namespace MapControl
     /// <summary>
     /// A polygon defined by a collection of Locations.
     /// </summary>
-    public class MapPolygon : MapPolypoint
+    public partial class MapPolygon : MapPolypoint
     {
         public static readonly DependencyProperty LocationsProperty =
             DependencyPropertyHelper.Register<MapPolygon, IEnumerable<Location>>(nameof(Locations), null,

MapControl/Shared/MapPolyline.cs

@@ -12,7 +12,7 @@ namespace MapControl
     /// <summary>
     /// A polyline defined by a collection of Locations.
     /// </summary>
-    public class MapPolyline : MapPolypoint
+    public partial class MapPolyline : MapPolypoint
     {
         public static readonly DependencyProperty LocationsProperty =
             DependencyPropertyHelper.Register<MapPolyline, IEnumerable<Location>>(nameof(Locations), null,

MapControl/Shared/MapScale.cs

@@ -34,7 +34,7 @@ namespace MapControl
     /// <summary>
     /// Draws a map scale overlay.
     /// </summary>
-    public class MapScale : MapPanel
+    public partial class MapScale : MapPanel
     {
         public static readonly DependencyProperty PaddingProperty =
             DependencyPropertyHelper.Register<MapScale, Thickness>(nameof(Padding), new Thickness(4));

MapControl/Shared/MapTileLayer.cs

@@ -20,7 +20,7 @@ namespace MapControl
     /// <summary>
     /// Displays a standard Web Mercator map tile grid, e.g. an OpenStreetMap tile grid.
     /// </summary>
-    public class MapTileLayer : MapTileLayerBase
+    public partial class MapTileLayer : MapTileLayerBase
     {
         public static readonly DependencyProperty MinZoomLevelProperty =
             DependencyPropertyHelper.Register<MapTileLayer, int>(nameof(MinZoomLevel), 0);

MapControl/Shared/PolygonCollection.cs

@@ -10,7 +10,7 @@ namespace MapControl
     /// listener to each element that implements INotifyCollectionChanged and, when such an element changes,
     /// fires its own CollectionChanged event with NotifyCollectionChangedAction.Replace for that element.
     /// </summary>
-    public class PolygonCollection : ObservableCollection<IEnumerable<Location>>
+    public partial class PolygonCollection : ObservableCollection<IEnumerable<Location>>
     {
         private void PolygonChanged(object sender, NotifyCollectionChangedEventArgs e)
         {

MapControl/Shared/Tile.cs

@@ -14,22 +14,15 @@ using Avalonia.Media;
 
 namespace MapControl
 {
-    public partial class Tile
+    public partial class Tile(int zoomLevel, int x, int y, int columnCount)
     {
-        public Tile(int zoomLevel, int x, int y, int columnCount)
+        public int ZoomLevel { get; } = zoomLevel;
-        {
+        public int X { get; } = x;
-            ZoomLevel = zoomLevel;
+        public int Y { get; } = y;
-            X = x;
+        public int Column { get; } = ((x % columnCount) + columnCount) % columnCount;
-            Y = y;
+        public int Row => Y;
-            Column = ((x % columnCount) + columnCount) % columnCount;
-        }
 
         public Image Image { get; } = new Image { Stretch = Stretch.Fill };
-        public int ZoomLevel { get; }
-        public int X { get; }
-        public int Y { get; }
-        public int Column { get; }
-        public int Row => Y;
         public bool IsPending { get; set; } = true;
     }
 }

MapControl/Shared/TileCollection.cs

@@ -3,7 +3,7 @@ using System.Linq;
 
 namespace MapControl
 {
-    public class TileCollection : List<Tile>
+    public partial class TileCollection : List<Tile>
     {
         /// <summary>
         /// Adds existing Tiles from the source collection or newly created Tiles to fill the specified tile matrix.

MapControl/Shared/TileMatrix.cs

@@ -1,20 +1,11 @@
 namespace MapControl
 {
-    public class TileMatrix
+    public class TileMatrix(int zoomLevel, int xMin, int yMin, int xMax, int yMax)
     {
-        public TileMatrix(int zoomLevel, int xMin, int yMin, int xMax, int yMax)
+        public int ZoomLevel { get; } = zoomLevel;
-        {
+        public int XMin { get; } = xMin;
-            ZoomLevel = zoomLevel;
+        public int YMin { get; } = yMin;
-            XMin = xMin;
+        public int XMax { get; } = xMax;
-            YMin = yMin;
+        public int YMax { get; } = yMax;
-            XMax = xMax;
-            YMax = yMax;
-        }
-
-        public int ZoomLevel { get; }
-        public int XMin { get; }
-        public int YMin { get; }
-        public int XMax { get; }
-        public int YMax { get; }
     }
 }

MapControl/Shared/TypeConverters.cs

@@ -18,7 +18,7 @@ using ConverterCulture = System.Globalization.CultureInfo;
 
 namespace MapControl
 {
-    public class LocationConverter : TypeConverter, IValueConverter
+    public partial class LocationConverter : TypeConverter, IValueConverter
     {
         public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
         {
@@ -41,7 +41,7 @@ namespace MapControl
         }
     }
 
-    public class LocationCollectionConverter : TypeConverter, IValueConverter
+    public partial class LocationCollectionConverter : TypeConverter, IValueConverter
     {
         public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
         {
@@ -64,7 +64,7 @@ namespace MapControl
         }
     }
 
-    public class BoundingBoxConverter : TypeConverter, IValueConverter
+    public partial class BoundingBoxConverter : TypeConverter, IValueConverter
     {
         public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
         {
@@ -87,7 +87,7 @@ namespace MapControl
         }
     }
 
-    public class TileSourceConverter : TypeConverter, IValueConverter
+    public partial class TileSourceConverter : TypeConverter, IValueConverter
     {
         public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
         {

MapControl/Shared/ViewportChangedEventArgs.cs

@@ -2,25 +2,19 @@
 
 namespace MapControl
 {
-    public class ViewportChangedEventArgs : EventArgs
+    public class ViewportChangedEventArgs(bool projectionChanged = false, bool transformCenterChanged = false) : EventArgs
     {
-        public ViewportChangedEventArgs(bool projectionChanged = false, bool transformCenterChanged = false)
-        {
-            ProjectionChanged = projectionChanged;
-            TransformCenterChanged = transformCenterChanged;
-        }
-
         /// <summary>
         /// Indicates that the map projection has changed. Used to control when
         /// a MapTileLayer or a MapImageLayer should be updated immediately,
         /// or MapPath Data in projected map coordinates should be recalculated.
         /// </summary>
-        public bool ProjectionChanged { get; }
+        public bool ProjectionChanged { get; } = projectionChanged;
 
         /// <summary>
         /// Indicates that the view transform center has moved across 180° longitude.
         /// Used to control when a MapTileLayer should be updated immediately.
         /// </summary>
-        public bool TransformCenterChanged { get; }
+        public bool TransformCenterChanged { get; } = transformCenterChanged;
     }
 }

MapControl/Shared/WmsImageLayer.cs

@@ -23,7 +23,7 @@ namespace MapControl
     /// <summary>
     /// Displays a single map image from a Web Map Service (WMS).
     /// </summary>
-    public class WmsImageLayer : MapImageLayer
+    public partial class WmsImageLayer : MapImageLayer
     {
         private static ILogger logger;
         private static ILogger Logger => logger ??= ImageLoader.LoggerFactory?.CreateLogger<GroundOverlay>();

MapControl/Shared/WmtsTileLayer.cs

@@ -20,7 +20,7 @@ namespace MapControl
     /// <summary>
     /// Displays map tiles from a Web Map Tile Service (WMTS).
     /// </summary>
-    public class WmtsTileLayer : MapTileLayerBase
+    public partial class WmtsTileLayer : MapTileLayerBase
     {
         private static ILogger logger;
         private static ILogger Logger => logger ??= ImageLoader.LoggerFactory?.CreateLogger<GroundOverlay>();
@@ -70,7 +70,7 @@ namespace MapControl
 
         public IEnumerable<WmtsTileMatrixLayer> ChildLayers => Children.Cast<WmtsTileMatrixLayer>();
 
-        public Dictionary<string, WmtsTileMatrixSet> TileMatrixSets { get; } = new Dictionary<string, WmtsTileMatrixSet>();
+        public Dictionary<string, WmtsTileMatrixSet> TileMatrixSets { get; } = [];
 
         protected virtual WmtsTileSource CreateTileSource(string uriTemplate) => new WmtsTileSource { UriTemplate = uriTemplate };
 

MapControl/Shared/WmtsTileMatrix.cs

@@ -5,30 +5,20 @@ using Avalonia;
 #endif
 
 namespace MapControl
-{
-    public class WmtsTileMatrix
 {
     // See 07-057r7_Web_Map_Tile_Service_Standard.pdf, section 6.1.a, page 8:
     // "standardized rendering pixel size" is 0.28 mm
-
+    //
-        public WmtsTileMatrix(string identifier, double scaleDenominator, Point topLeft,
+    public class WmtsTileMatrix(
+        string identifier, double scaleDenominator, Point topLeft,
         int tileWidth, int tileHeight, int matrixWidth, int matrixHeight)
     {
-            Identifier = identifier;
+        public string Identifier { get; } = identifier;
-            Scale = 1 / (scaleDenominator * 0.00028); // 0.28 mm
+        public double Scale { get; } = 1 / (scaleDenominator * 0.00028); // 0.28 mm
-            TopLeft = topLeft;
+        public Point TopLeft { get; } = topLeft;
-            TileWidth = tileWidth;
+        public int TileWidth { get; } = tileWidth;
-            TileHeight = tileHeight;
+        public int TileHeight { get; } = tileHeight;
-            MatrixWidth = matrixWidth;
+        public int MatrixWidth { get; } = matrixWidth;
-            MatrixHeight = matrixHeight;
+        public int MatrixHeight { get; } = matrixHeight;
-        }
-
-        public string Identifier { get; }
-        public double Scale { get; }
-        public Point TopLeft { get; }
-        public int TileWidth { get; }
-        public int TileHeight { get; }
-        public int MatrixWidth { get; }
-        public int MatrixHeight { get; }
     }
 }

MapControl/Shared/WmtsTileMatrixLayer.cs

@@ -19,7 +19,7 @@ using Avalonia.Media;
 
 namespace MapControl
 {
-    public class WmtsTileMatrixLayer : Panel
+    public partial class WmtsTileMatrixLayer : Panel
     {
         // zoomLevel is index of tileMatrix in a WmtsTileMatrixSet.TileMatrixes list.
         //

MapControl/WPF/MapControl.WPF.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
         <TargetFrameworks>net9.0-windows;net462</TargetFrameworks>
-        <LangVersion Condition="'$(TargetFramework)'=='net462'">8.0</LangVersion>
+        <LangVersion Condition="'$(TargetFramework)'=='net462'">12.0</LangVersion>
         <UseWPF>true</UseWPF>
         <DefineConstants>WPF</DefineConstants>
         <RootNamespace>MapControl</RootNamespace>

MapControl/WinUI/MapContentControl.WinUI.cs

@@ -13,7 +13,7 @@ namespace MapControl
     /// <summary>
     /// ContentControl placed on a MapPanel at a geographic location specified by the Location property.
     /// </summary>
-    public class MapContentControl : ContentControl
+    public partial class MapContentControl : ContentControl
     {
         public static readonly DependencyProperty AutoCollapseProperty =
             DependencyPropertyHelper.Register<MapContentControl, bool>(nameof(AutoCollapse), false,
@@ -79,7 +79,7 @@ namespace MapControl
     /// <summary>
     /// MapContentControl with a Pushpin Style.
     /// </summary>
-    public class Pushpin : MapContentControl
+    public partial class Pushpin : MapContentControl
     {
         public Pushpin()
         {

MapControl/WinUI/MapPolypoint.WinUI.cs

@@ -16,7 +16,7 @@ namespace MapControl
     /// <summary>
     /// Base class of MapPolyline and MapPolygon.
     /// </summary>
-    public class MapPolypoint : MapPath
+    public partial class MapPolypoint : MapPath
     {
         public static readonly DependencyProperty FillRuleProperty =
             DependencyPropertyHelper.Register<MapPolygon, FillRule>(nameof(FillRule), FillRule.EvenOdd,

SampleApps/WpfApplication/WpfApplication.csproj

@@ -25,15 +25,11 @@
         </Content>
     </ItemGroup>
 
-    <ItemGroup Condition="'$(TargetFramework)'=='net48'">
+    <ItemGroup>
-        <Reference Include="System.Net.Http" />
+        <ProjectReference Include="..\..\MapUiTools\WPF\MapUiTools.WPF.csproj" />
     </ItemGroup>
 
     <ItemGroup>
         <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="9.0.9" />
     </ItemGroup>
-
-    <ItemGroup>
-        <ProjectReference Include="..\..\MapUiTools\WPF\MapUiTools.WPF.csproj" />
-    </ItemGroup>
 </Project>