Implement basic Slider properties in WinUI

src/Compatibility/Core/src/Windows/SliderRenderer.cs

@@ -101,6 +101,7 @@ namespace Microsoft.Maui.Controls.Compatibility.Platform.UWP
 			UpdateMaximumTrackColor();
 		}
 
+		[PortHandler]
 		void UpdateMinimumTrackColor()
 		{
 			if (Control != null)
@@ -112,6 +113,7 @@ namespace Microsoft.Maui.Controls.Compatibility.Platform.UWP
 			}
 		}
 
+		[PortHandler]
 		void UpdateMaximumTrackColor()
 		{
 			if (Control != null)

src/Core/src/Handlers/Slider/SliderHandler.Windows.cs

@@ -1,28 +1,55 @@
-using System;
 using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Media;
 
 namespace Microsoft.Maui.Handlers
 {
 	public partial class SliderHandler : ViewHandler<ISlider, Slider>
 	{
-		protected override Slider CreateNativeView() => new Slider();
+		static Brush? DefaultForegroundColor;		
+		static Brush? DefaultBackgroundColor;
+
+		protected override Slider CreateNativeView()
+		{
+			var slider = new Slider
+			{
+				IsThumbToolTipEnabled = false
+			};
+
+			return slider;
+		}
+
+		protected override void SetupDefaults(Slider nativeView)
+		{
+			DefaultForegroundColor = nativeView.Foreground;
+			DefaultBackgroundColor = nativeView.Background;
+		}
+
+		public static void MapMinimum(SliderHandler handler, ISlider slider)
+		{
+			handler.NativeView?.UpdateMinimum(slider);
+		}
+
+		public static void MapMaximum(SliderHandler handler, ISlider slider)
+		{
+			handler.NativeView?.UpdateMaximum(slider);
+		}
+
+		public static void MapValue(SliderHandler handler, ISlider slider)
+		{
+			handler.NativeView?.UpdateValue(slider);
+		}
+
+		public static void MapMinimumTrackColor(SliderHandler handler, ISlider slider)
+		{
+			handler.NativeView?.UpdateMinimumTrackColor(slider, DefaultForegroundColor);
+		}
+
+		public static void MapMaximumTrackColor(SliderHandler handler, ISlider slider)
+		{
+			handler.NativeView?.UpdateMaximumTrackColor(slider, DefaultBackgroundColor);
+		}
 
 		[MissingMapper]
-		public static void MapMinimum(IViewHandler handler, ISlider slider) { }
-
-		[MissingMapper]
-		public static void MapMaximum(IViewHandler handler, ISlider slider) { }
-
-		[MissingMapper]
-		public static void MapValue(IViewHandler handler, ISlider slider) { }
-
-		[MissingMapper]
-		public static void MapMinimumTrackColor(IViewHandler handler, ISlider slider) { }
-
-		[MissingMapper]
-		public static void MapMaximumTrackColor(IViewHandler handler, ISlider slider) { }
-
-		[MissingMapper]
-		public static void MapThumbColor(IViewHandler handler, ISlider slider) { }
+		public static void MapThumbColor(SliderHandler handler, ISlider slider) { }
 	}
 }

src/Core/src/Platform/Windows/SliderExtensions.cs

@@ -0,0 +1,40 @@
+using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Media;
+
+namespace Microsoft.Maui
+{
+	public static class SliderExtensions
+	{
+		public static void UpdateMinimum(this Slider nativeSlider, ISlider slider)
+		{
+			nativeSlider.Minimum = slider.Minimum;
+		}
+
+		public static void UpdateMaximum(this Slider nativeSlider, ISlider slider)
+		{
+			nativeSlider.Maximum = slider.Maximum;
+		}
+
+		public static void UpdateValue(this Slider nativeSlider, ISlider slider)
+		{
+			if (nativeSlider.Value != slider.Value)
+				nativeSlider.Value = slider.Value;
+		}
+
+		public static void UpdateMinimumTrackColor(this Slider nativeSlider, ISlider slider, Brush? defaultForegroundColor)
+		{
+			if (slider.MinimumTrackColor == Color.Default)
+				nativeSlider.Foreground = defaultForegroundColor;
+			else
+				nativeSlider.Foreground = slider.MinimumTrackColor.ToNative();
+		}
+
+		public static void UpdateMaximumTrackColor(this Slider nativeSlider, ISlider slider, Brush? defaultBackgroundColor)
+		{
+			if (slider.MaximumTrackColor == Color.Default)
+				nativeSlider.Background = defaultBackgroundColor;
+			else
+				nativeSlider.Background = slider.MaximumTrackColor.ToNative();
+		}
+	}
+}