1 files changed, 59 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.WinRT/ProgressBarRenderer.cs b/Xamarin.Forms.Platform.WinRT/ProgressBarRenderer.cs
new file mode 100644
index 00000000..87f1e35e
--- /dev/null
+++ b/Xamarin.Forms.Platform.WinRT/ProgressBarRenderer.cs
@@ -0,0 +1,59 @@
+using System.ComponentModel;
+using Windows.UI.Xaml.Controls.Primitives;
+
+#if WINDOWS_UWP
+
+namespace Xamarin.Forms.Platform.UWP
+#else
+
+namespace Xamarin.Forms.Platform.WinRT
+#endif
+{
+	public class ProgressBarRenderer : ViewRenderer<ProgressBar, Windows.UI.Xaml.Controls.ProgressBar>
+	{
+		protected override void Dispose(bool disposing)
+		{
+			if (disposing)
+			{
+				if (Control != null)
+				{
+					Control.ValueChanged -= ProgressBarOnValueChanged;
+				}
+			}
+
+			base.Dispose(disposing);
+		}
+
+		protected override void OnElementChanged(ElementChangedEventArgs<ProgressBar> e)
+		{
+			base.OnElementChanged(e);
+
+			if (e.NewElement != null)
+			{
+				if (Control == null)
+				{
+					var progressBar = new Windows.UI.Xaml.Controls.ProgressBar { Minimum = 0, Maximum = 1 };
+
+					progressBar.ValueChanged += ProgressBarOnValueChanged;
+
+					SetNativeControl(progressBar);
+				}
+
+				Control.Value = e.NewElement.Progress;
+			}
+		}
+
+		protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
+		{
+			base.OnElementPropertyChanged(sender, e);
+
+			if (e.PropertyName == ProgressBar.ProgressProperty.PropertyName)
+				Control.Value = Element.Progress;
+		}
+
+		void ProgressBarOnValueChanged(object sender, RangeBaseValueChangedEventArgs rangeBaseValueChangedEventArgs)
+		{
+			Element?.InvalidateMeasure(InvalidationTrigger.MeasureChanged);
+		}
+	}
+}
+\ No newline at end of file