Moved to VS 2012 + Added support to Windows Phone

STPWPDemo/SpinTextBlock.xaml.cs

@@ -0,0 +1,43 @@
+using System;
+using System.Diagnostics;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Threading;
+
+namespace STPWPDemo
+{
+    public partial class SpinTextBlock : UserControl
+    {
+        public event EventHandler<EventArgs> Increment;
+        public event EventHandler<EventArgs> Decrement;
+
+        public SpinTextBlock()
+        {
+            InitializeComponent();
+        }
+
+        void Dec_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
+        {
+            if (Decrement != null)
+            {
+                Decrement(this, EventArgs.Empty);
+            }
+        }
+
+        void Inc_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
+        {
+            if (Increment != null)
+            {
+                Increment(this, EventArgs.Empty);
+            }
+        }
+
+        public string Text
+        {
+            get { return TextBlock.Text; }
+            set { TextBlock.Text = value; }
+        }
+    }
+}