Added ValueChanged event to DateTimeUpDown and NumericUpDown.

ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/Core/Primitives/InputBase.cs

@@ -80,7 +80,9 @@ namespace Microsoft.Windows.Controls.Primitives
 
         protected virtual void OnValueChanged(object oldValue, object newValue)
         {
-                        
+            RoutedPropertyChangedEventArgs<object> args = new RoutedPropertyChangedEventArgs<object>(oldValue, newValue);
+            args.RoutedEvent = InputBase.ValueChangedEvent;
+            RaiseEvent(args);
         }
 
         private static object OnCoerceValuePropertyCallback(DependencyObject d, object baseValue)
@@ -139,6 +141,17 @@ namespace Microsoft.Windows.Controls.Primitives
 
         #endregion //Base Class Overrides
 
+        #region Events
+
+        public static readonly RoutedEvent ValueChangedEvent = EventManager.RegisterRoutedEvent("ValueChanged", RoutingStrategy.Bubble, typeof(RoutedPropertyChangedEventHandler<object>), typeof(InputBase));
+        public event RoutedPropertyChangedEventHandler<object> ValueChanged
+        {
+            add { AddHandler(ValueChangedEvent, value); }
+            remove { RemoveHandler(ValueChangedEvent, value); }
+        }
+
+        #endregion //Events
+
         #region Methods
 
         protected void SyncTextAndValueProperties(DependencyProperty p, object newValue)

ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/DateTimeUpDown/DateTimeUpDown.cs

@@ -62,6 +62,8 @@ namespace Microsoft.Windows.Controls
         {
             //whenever the value changes we need to parse out the value into out DateTimeInfo segments so we can keep track of the individual pieces
             ParseValueIntoDateTimeInfo();
+
+            base.OnValueChanged(oldValue, newValue);
         }
 
         #endregion //Constructors

ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/NumericUpDown/NumericUpDown.cs

@@ -99,6 +99,7 @@ namespace Microsoft.Windows.Controls
         protected override void OnValueChanged(object oldValue, object newValue)
         {
             SetValidSpinDirection();
+            base.OnValueChanged(oldValue, newValue);
         }
 
         protected override object OnCoerceValue(object value)