WPF C# Ribbon Control Library

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 DNBSoft.WPF.RibbonControl
{
    /// <summary>
    /// Interaction logic for RibbonKeyboardAccessPopup.xaml
    /// </summary>
    public partial class RibbonKeyboardAccessPopup : UserControl
    {
        private Popup parentPopup;

        public RibbonKeyboardAccessPopup()
        {
            InitializeComponent();

            keyLabel.Content = "";

            RibbonStyleHandler.StyleChanged += new RibbonStyleHandler.StyleChangedHandler(RibbonStyleHandler_StyleChanged);
            RibbonStyleHandler_StyleChanged(new RibbonStyleHandler.StyleChangedEventArgs(RibbonStyleHandler.Style.Not_Set));
        }

        private void RibbonStyleHandler_StyleChanged(RibbonStyleHandler.StyleChangedEventArgs args)
        {
            theBorder.Background = new SolidColorBrush(
                ((LinearGradientBrush)RibbonStyleHandler.RibbonBarBackground).GradientStops[0].Color);
            theBorder.BorderBrush = new SolidColorBrush(RibbonStyleHandler.GroupLabelBorderNormal);
            keyLabel.Foreground = RibbonStyleHandler.GroupText;
        }

        public String KeyCombination
        {
            get
            {
                return keyLabel.Content.ToString();
            }
            set
            {
                if (value == null)
                {
                    keyLabel.Content = "";
                }
                else
                {
                    keyLabel.Content = value;
                }
            }
        }

        #region popup stuff
        #region Placement
        public static readonly DependencyProperty PlacementProperty = Popup.PlacementProperty.AddOwner(typeof(RibbonKeyboardAccessPopup));

        public PlacementMode Placement
        {
            get
            {
                return (PlacementMode)GetValue(PlacementProperty);
            }
            set
            {
                SetValue(PlacementProperty, value);
            }
        }
        #endregion

        #region PlacementTarget
        public static readonly DependencyProperty PlacementTargetProperty = Popup.PlacementTargetProperty.AddOwner(typeof(RibbonKeyboardAccessPopup));

        public UIElement PlacementTarget
        {
            get
            {
                return (UIElement)GetValue(PlacementTargetProperty);
            }
            set
            {
                SetValue(PlacementTargetProperty, value);
            }
        }
        #endregion

        #region PlacementRectangle
        public static readonly DependencyProperty PlacementRectangleProperty = Popup.PlacementRectangleProperty.AddOwner(typeof(RibbonKeyboardAccessPopup));

        public Rect PlacementRectangle
        {
            get
            {
                return (Rect)GetValue(PlacementRectangleProperty);
            }

            set
            {
                SetValue(PlacementRectangleProperty, value);
            }
        }
        #endregion

        #region HorizontalOffset
        public static readonly DependencyProperty HorizontalOffsetProperty = Popup.HorizontalOffsetProperty.AddOwner(typeof(RibbonKeyboardAccessPopup));

        public double HorizontalOffset
        {
            get
            {
                return (double)GetValue(HorizontalOffsetProperty);
            }
            set
            {
                SetValue(HorizontalOffsetProperty, value);
            }
        }
        #endregion

        #region VerticalOffset
        public static readonly DependencyProperty VerticalOffsetProperty = Popup.VerticalOffsetProperty.AddOwner(typeof(RibbonKeyboardAccessPopup));

        public double VerticalOffset
        {
            get
            {
                return (double)GetValue(VerticalOffsetProperty);
            }
            set
            {
                SetValue(VerticalOffsetProperty, value);
            }
        }
        #endregion

        #region IsOpen
        public static readonly DependencyProperty IsOpenProperty = Popup.IsOpenProperty.AddOwner(typeof(RibbonKeyboardAccessPopup), new FrameworkPropertyMetadata(false, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault, new PropertyChangedCallback(OnIsOpenChanged)));

        public bool IsOpen
        {
            get
            {
                return (bool)GetValue(IsOpenProperty);
            }
            set
            {
                SetValue(IsOpenProperty, value);
            }
        }

        private static void OnIsOpenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            RibbonKeyboardAccessPopup ctrl = (RibbonKeyboardAccessPopup)d;

            if ((bool)e.NewValue)
            {
                if (ctrl.parentPopup == null)
                {
                    ctrl.HookupParentPopup();
                }
            }
        }
        #endregion

        public void HookupParentPopup()
        {
            parentPopup = new Popup();
            parentPopup.AllowsTransparency = true;
            Popup.CreateRootPopup(parentPopup, this);
        }
        #endregion
    }
}