fix clock binding warning fix #150

Author: ButchersBoy

MaterialDesignThemes.Wpf/Clock.cs

@@ -62,7 +62,7 @@ public Clock()
 		public static readonly DependencyProperty TimeProperty = DependencyProperty.Register(
 			"Time", typeof (DateTime), typeof (Clock), new FrameworkPropertyMetadata(default(DateTime), FrameworkPropertyMetadataOptions.BindsTwoWayByDefault, TimePropertyChangedCallback));
 
-		private static void TimePropertyChangedCallback(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs dependencyPropertyChangedEventArgs)
+	    private static void TimePropertyChangedCallback(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs dependencyPropertyChangedEventArgs)
 		{
 		    var clock = (Clock) dependencyObject;
 		    SetFlags(clock);

MaterialDesignThemes.Wpf/Converters/NullableDateTimeToCurrentDateConverter.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Data;
+
+namespace MaterialDesignThemes.Wpf.Converters
+{
+    public class NullableDateTimeToCurrentDateConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (value is DateTime)
+                return value;
+            return DateTime.Now.Date;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            return value;
+        }
+    }
+}

MaterialDesignThemes.Wpf/MaterialDesignThemes.Wpf.csproj

@@ -228,6 +228,7 @@
     <Compile Include="Converters\MathConverter.cs" />
     <Compile Include="Converters\MathMultipleConverter.cs" />
     <Compile Include="Converters\NotConverter.cs" />
+    <Compile Include="Converters\NullableDateTimeToCurrentDateConverter.cs" />
     <Compile Include="Converters\NullToVisibilityConverter.cs" />
     <Compile Include="Converters\NotZeroToVisibilityConverter.cs" />
     <Compile Include="Converters\ShadowConverter.cs" />

MaterialDesignThemes.Wpf/TimePicker.cs

@@ -6,6 +6,7 @@
 using System.Windows.Data;
 using System.Windows.Input;
 using System.Windows.Threading;
+using MaterialDesignThemes.Wpf.Converters;
 
 namespace MaterialDesignThemes.Wpf
 {
@@ -352,7 +353,7 @@ private void InitializeClock()
 			_clock.AddHandler(Clock.ClockChoiceMadeEvent, new ClockChoiceMadeEventHandler(ClockChoiceMadeHandler));
             _clock.SetBinding(ForegroundProperty, GetBinding(ForegroundProperty));
 			_clock.SetBinding(StyleProperty, GetBinding(ClockStyleProperty));
-			_clock.SetBinding(Clock.TimeProperty, GetBinding(SelectedTimeProperty));
+			_clock.SetBinding(Clock.TimeProperty, GetBinding(SelectedTimeProperty, new NullableDateTimeToCurrentDateConverter()));
 		    _clock.SetBinding(Clock.Is24HoursProperty, GetBinding(Is24HoursProperty));
 			_clockHostContentControl.SetBinding(StyleProperty, GetBinding(ClockHostContentControlStyleProperty));
 		}
@@ -384,10 +385,14 @@ private void TogglePopup()
 			}
 		}
 
-		private BindingBase GetBinding(DependencyProperty property)
+		private BindingBase GetBinding(DependencyProperty property, IValueConverter converter = null)
 		{
-			var binding = new Binding(property.Name) {Source = this};
-			return binding;
+		    var binding = new Binding(property.Name)
+		    {
+		        Source = this,
+		        Converter = converter
+		    };
+		    return binding;
 		}
 	}
 }