public AreaItemControl()
        {
            LayoutRoot = new Grid();
            LayoutRoot.ColumnDefinitions.Add(new ColumnDefinition());
            LayoutRoot.ColumnDefinitions.Add(new ColumnDefinition() { Width = GridLength.Auto });
            LayoutRoot.ColumnDefinitions.Add(new ColumnDefinition() { Width = GridLength.Auto });
            LayoutRoot.ColumnDefinitions.Add(new ColumnDefinition() { Width = GridLength.Auto });
            LayoutRoot.ColumnDefinitions.Add(new ColumnDefinition() { Width = GridLength.Auto });

            Border border = new Border();
            border.BorderBrush = new SolidColorBrush(Colors.DarkGray);
            border.BorderThickness = new Thickness(1);
            border.Padding = new Thickness(2);
            border.Child = LayoutRoot;

            m_ItemCtrl = new HeaderControl();
            LayoutRoot.Children.Add(m_ItemCtrl);

            m_MoveUpButton = new RanetHotButton();
            m_MoveUpButton.Click += new RoutedEventHandler(m_MoveUpButton_Click);
            m_MoveUpButton.Width = 18;
            m_MoveUpButton.Height = 18;
            m_MoveUpButton.Content = UiHelper.CreateIcon(UriResources.Images.Up16);
            LayoutRoot.Children.Add(m_MoveUpButton);
            Grid.SetColumn(m_MoveUpButton, 2); 

            m_MoveDownButton = new RanetHotButton();
            m_MoveDownButton.Click += new RoutedEventHandler(m_MoveDownButton_Click);
            m_MoveDownButton.Width = 18;
            m_MoveDownButton.Height = 18;
            m_MoveDownButton.Content = UiHelper.CreateIcon(UriResources.Images.Down16);
            LayoutRoot.Children.Add(m_MoveDownButton);
            Grid.SetColumn(m_MoveDownButton, 3); 

            m_RemoveButton = new RanetHotButton();
            m_RemoveButton.Click += new RoutedEventHandler(m_RemoveButton_Click);
            m_RemoveButton.Width = 18;
            m_RemoveButton.Height = 18;
            m_RemoveButton.Content = UiHelper.CreateIcon(UriResources.Images.RemoveHot16);
            LayoutRoot.Children.Add(m_RemoveButton);
            Grid.SetColumn(m_RemoveButton, 4); 

            this.Content = border;

            LayoutRoot.AttachContextMenu(p => GetCurrentContextMenu(p));

            TooltipManager = new TooltipController(this);
            TooltipManager.BeforeOpen += new EventHandler<CustomEventArgs<Point>>(TooltipManager_BeforeOpen);
            TooltipManager.ToolTipContent = ToolTip;
        }