CalculatorUpDown: fixed issue with not being able to tab out of control. Added EnterClosesCalculator property when set to true, whenever the enter button is pressed it will update the value and then close the calculator popup. EnterClosesCalculator="false" by default.

ExtendedWPFToolkitSolution/Src/WPFToolkit.Extended/CalculatorUpDown/Implementation/CalculatorUpDown.cs

@@ -1,16 +1,6 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 using System.Windows;
-using System.Windows.Controls;
-using System.Windows.Data;
-using System.Windows.Documents;
 using System.Windows.Input;
-using System.Windows.Media;
-using System.Windows.Media.Imaging;
-using System.Windows.Navigation;
-using System.Windows.Shapes;
 using System.Windows.Controls.Primitives;
 
 namespace Microsoft.Windows.Controls
@@ -26,6 +16,17 @@ namespace Microsoft.Windows.Controls
 
         #region Properties
 
+        #region EnterClosesCalculator
+
+        public static readonly DependencyProperty EnterClosesCalculatorProperty = DependencyProperty.Register("EnterClosesCalculator", typeof(bool), typeof(CalculatorUpDown), new UIPropertyMetadata(false));
+        public bool EnterClosesCalculator
+        {
+            get { return (bool)GetValue(EnterClosesCalculatorProperty); }
+            set { SetValue(EnterClosesCalculatorProperty, value); }
+        }
+
+        #endregion //EnterClosesCalculator
+
         #region IsOpen
 
         public static readonly DependencyProperty IsOpenProperty = DependencyProperty.Register("IsOpen", typeof(bool), typeof(CalculatorUpDown), new UIPropertyMetadata(false, OnIsOpenChanged));
@@ -44,7 +45,7 @@ namespace Microsoft.Windows.Controls
 
         protected virtual void OnIsOpenChanged(bool oldValue, bool newValue)
         {
-            
+
         }
 
         #endregion //IsOpen
@@ -90,13 +91,23 @@ namespace Microsoft.Windows.Controls
         {
             switch (e.Key)
             {
+                case Key.Enter:
+                    {
+                        if (EnterClosesCalculator && IsOpen)
+                            CloseCalculatorUpDown();
+                        break;
+                    }
                 case Key.Escape:
-                case Key.Tab:
                     {
                         CloseCalculatorUpDown();
                         e.Handled = true;
                         break;
                     }
+                case Key.Tab:
+                    {
+                        CloseCalculatorUpDown();
+                        break;
+                    }
             }
         }