--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SilverlightGlimpse/SilverFlow.Controls/FloatingWindow/BootstrapButton.cs	Sun Apr 22 13:33:42 2012 +0100
@@ -0,0 +1,72 @@
+using System.Windows;
+using System.Windows.Controls;
+
+namespace SilverFlow.Controls
+{
+    /// <summary>
+    /// Two-state button with an up/down arrow.
+    /// </summary>
+    [TemplateVisualState(Name = VSMSTATE_StateClose, GroupName = VSMGROUP_ButtonStates)]
+    [TemplateVisualState(Name = VSMSTATE_StateOpen, GroupName = VSMGROUP_ButtonStates)]
+    public class BootstrapButton : Button
+    {
+        // VSM groups
+        private const string VSMGROUP_ButtonStates = "ButtonStates";
+
+        // VSM states
+        private const string VSMSTATE_StateOpen = "Open";
+        private const string VSMSTATE_StateClose = "Close";
+
+        #region public bool IsOpen
+
+        /// <summary>
+        /// Gets or sets a value indicating whether the bootstrap button is in the "Open" state.
+        /// </summary>
+        /// <value><c>true</c> if the bootstrap button is in the "Open" state; otherwise, <c>false</c>.</value>
+        public bool IsOpen
+        {
+            get { return (bool)GetValue(IsOpenProperty); }
+            set { SetValue(IsOpenProperty, value); }
+        }
+
+        /// <summary>
+        /// Identifies the <see cref="BootstrapButton.IsOpen" /> dependency property.
+        /// </summary>
+        /// <value>
+        /// The identifier for the <see cref="BootstrapButton.IsOpen" /> dependency property.
+        /// </value>
+        public static readonly DependencyProperty IsOpenProperty =
+            DependencyProperty.Register(
+            "IsOpen",
+            typeof(bool),
+            typeof(BootstrapButton),
+            new PropertyMetadata(false, IsOpenPropertyChanged));
+
+        /// <summary>
+        /// IsOpenProperty PropertyChangedCallback call back static function.
+        /// </summary>
+        /// <param name="d">BootstrapButton object whose IsOpenProperty property is changed.</param>
+        /// <param name="e">DependencyPropertyChangedEventArgs which contains the old and new values.</param>
+        private static void IsOpenPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        {
+            BootstrapButton button = (BootstrapButton)d;
+            VisualStateManager.GoToState(
+                button,
+                (bool)e.NewValue ? VSMSTATE_StateClose : VSMSTATE_StateOpen, 
+                true);
+        }
+
+        #endregion
+
+        /// <summary>
+        /// Raises the <see cref="E:System.Windows.Controls.Primitives.ButtonBase.Click"/> event.
+        /// </summary>
+        protected override void OnClick()
+        {
+            // Toggle open/closed state
+            IsOpen = !IsOpen;
+
+            base.OnClick();
+        }
+    }
+}