New sample: Style geometry types with symbols (#1524)

src/MAUI/Maui.Samples/Converters/ColorConverter.cs

@@ -7,8 +7,28 @@ internal class ColorConverter : IValueConverter
     {
         public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
         {
-            if (value == null || value.GetType() != typeof(string)) { return null; }
-            return Microsoft.Maui.Graphics.Color.FromArgb((string)value);
+            if (value == null) return null;
+
+            // Determine the object type.
+            Type type = value.GetType();
+
+            if (type == typeof(string))
+            {
+                string colorString = value as string;
+
+                // Color needs to be in hex format or else it will throw.
+                return Color.FromArgb(colorString);
+            }
+            else if (type == typeof(System.Drawing.Color))
+            {
+                var color = (System.Drawing.Color)value;
+
+                return new Color(color.R, color.G, color.B, color.A);
+            }
+            else
+            {
+                return null;
+            }
         }
 
         public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)