Source/CrumbBar/CrumbBar.cs

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using System;
using System.Text;
using System.Drawing;
using System.Drawing.Design;
using System.ComponentModel;
using System.Collections;
using DevComponents.DotNetBar.Rendering;
using System.Windows.Forms;

namespace DevComponents.DotNetBar
{
    /// <summary>
    /// Represents compact tree bread-crumb control.
    /// </summary>
    [ToolboxBitmap(typeof(CrumbBar), "CrumbBar.CrumbBar.ico"), ToolboxItem(true), Designer(typeof(Design.CrumbBarDesigner)), System.Runtime.InteropServices.ComVisible(false), DefaultEvent("SelectedItemChanged")]
    public class CrumbBar : ItemControl
    {
        #region Private Variables
        private CrumbBarItemsCollection _Items = null;
        private CrumbBarViewContainer _ViewContainer = null;
        private Office2007Renderer _VistaRenderer = null;
        #endregion

        #region Events
        /// <summary>
        /// Occurs before SelectedItem has changed and provides opportunity to cancel the change. Set Cancel property on event arguments to true to cancel the change.
        /// </summary>
        [Description("Occurs before SelectedItem has changed and provides opportunity to cancel the change.")]
        public event CrumBarSelectionEventHandler SelectedItemChanging;
        /// <summary>
        /// Occurs after SelectedItem has changed. The change of the selected item at this point cannot be canceled. For that use SelectedItemChanging event.
        /// </summary>
        public event CrumBarSelectionEventHandler SelectedItemChanged;
        #endregion

        #region Constructor
        /// <summary>
        /// Initializes a new instance of the CrumbBar class.
        /// </summary>
        public CrumbBar()
            : base()
        {
            _Items = new CrumbBarItemsCollection(this);

            _ViewContainer = new CrumbBarViewContainer();
            _ViewContainer.GlobalItem = false;
            _ViewContainer.ContainerControl = this;
            _ViewContainer.Displayed = true;
            _ViewContainer.Style = eDotNetBarStyle.Office2007;
            this.ColorScheme.Style = eDotNetBarStyle.Office2007;
            _ViewContainer.SetOwner(this);
            InitializeVistaRenderer();
            this.SetBaseItemContainer(_ViewContainer);
        }
        #endregion

        #region Internal Implementation
        private CrumbBarItem _SelectedItem;
        /// <summary>
        /// Gets or sets currently selected item.
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