diff --git a/MapControl/Shared/MapProjection.cs b/MapControl/Shared/MapProjection.cs
index 57efd971..c3330d1c 100644
--- a/MapControl/Shared/MapProjection.cs
+++ b/MapControl/Shared/MapProjection.cs
@@ -37,7 +37,7 @@ namespace MapControl
         /// <summary>
         /// Gets the WMS 1.3.0 CRS identifier.
         /// </summary>
-        public string CrsId { get; protected set; } = string.Empty;
+        public string CrsId { get; protected set; } = "";
 
         /// <summary>
         /// Gets or sets an optional projection center.
diff --git a/MapControl/Shared/WmsImageLayer.cs b/MapControl/Shared/WmsImageLayer.cs
index 247811a8..e8b32360 100644
--- a/MapControl/Shared/WmsImageLayer.cs
+++ b/MapControl/Shared/WmsImageLayer.cs
@@ -31,7 +31,7 @@ namespace MapControl
                 async (layer, oldValue, newValue) => await layer.UpdateImageAsync());
 
         public static readonly DependencyProperty WmsStylesProperty =
-            DependencyPropertyHelper.Register<WmsImageLayer, string>(nameof(WmsStyles), string.Empty,
+            DependencyPropertyHelper.Register<WmsImageLayer, string>(nameof(WmsStyles), "",
                 async (layer, oldValue, newValue) => await layer.UpdateImageAsync());
 
         public static readonly DependencyProperty WmsLayersProperty =
diff --git a/MapControl/Shared/WmtsCapabilities.cs b/MapControl/Shared/WmtsCapabilities.cs
index e19cc3d3..9f6780b2 100644
--- a/MapControl/Shared/WmtsCapabilities.cs
+++ b/MapControl/Shared/WmtsCapabilities.cs
@@ -84,20 +84,16 @@ namespace MapControl
 
             var styleElement = layerElement
                 .Elements(wmts + "Style")
-                .FirstOrDefault(s => s.Attribute("isDefault")?.Value == "true");
-
-            if (styleElement == null)
-            {
-                styleElement = layerElement
-                    .Elements(wmts + "Style")
-                    .FirstOrDefault();
-            }
+                .FirstOrDefault(s => s.Attribute("isDefault")?.Value == "true")
+            ?? layerElement
+                .Elements(wmts + "Style")
+                .FirstOrDefault();
 
             var style = styleElement?.Element(ows + "Identifier")?.Value;
 
             if (string.IsNullOrEmpty(style))
             {
-                throw new ArgumentException($"No Style element found in Layer \"{layer}\".");
+                style = "default";
             }
 
             var urlTemplate = ReadUrlTemplate(capabilitiesElement, layerElement, layer, style, capabilitiesUrl);
diff --git a/SampleApps/UniversalApp/MainPage.xaml.cs b/SampleApps/UniversalApp/MainPage.xaml.cs
index 12ee83d8..aa065a20 100644
--- a/SampleApps/UniversalApp/MainPage.xaml.cs
+++ b/SampleApps/UniversalApp/MainPage.xaml.cs
@@ -89,14 +89,14 @@ namespace SampleApplication
             else
             {
                 mouseLocation.Visibility = Visibility.Collapsed;
-                mouseLocation.Text = string.Empty;
+                mouseLocation.Text = "";
             }
         }
 
         private void MapPointerExited(object sender, PointerRoutedEventArgs e)
         {
             mouseLocation.Visibility = Visibility.Collapsed;
-            mouseLocation.Text = string.Empty;
+            mouseLocation.Text = "";
         }
 
         private static string GetLatLonText(Location location)
diff --git a/SampleApps/WinUiApp/MainWindow.xaml.cs b/SampleApps/WinUiApp/MainWindow.xaml.cs
index 8cf65b0e..e0649116 100644
--- a/SampleApps/WinUiApp/MainWindow.xaml.cs
+++ b/SampleApps/WinUiApp/MainWindow.xaml.cs
@@ -102,14 +102,14 @@ namespace SampleApplication
             else
             {
                 mouseLocation.Visibility = Visibility.Collapsed;
-                mouseLocation.Text = string.Empty;
+                mouseLocation.Text = "";
             }
         }
 
         private void MapPointerExited(object sender, PointerRoutedEventArgs e)
         {
             mouseLocation.Visibility = Visibility.Collapsed;
-            mouseLocation.Text = string.Empty;
+            mouseLocation.Text = "";
         }
 
         private static string GetLatLonText(Location location)
diff --git a/SampleApps/WpfApplication/MainWindow.xaml.cs b/SampleApps/WpfApplication/MainWindow.xaml.cs
index 37bd3a3b..51b6b7f2 100644
--- a/SampleApps/WpfApplication/MainWindow.xaml.cs
+++ b/SampleApps/WpfApplication/MainWindow.xaml.cs
@@ -94,14 +94,14 @@ namespace SampleApplication
             else
             {
                 mouseLocation.Visibility = Visibility.Collapsed;
-                mouseLocation.Text = string.Empty;
+                mouseLocation.Text = "";
             }
         }
 
         private void MapMouseLeave(object sender, MouseEventArgs e)
         {
             mouseLocation.Visibility = Visibility.Collapsed;
-            mouseLocation.Text = string.Empty;
+            mouseLocation.Text = "";
         }
 
         private void MapManipulationInertiaStarting(object sender, ManipulationInertiaStartingEventArgs e)