LocationSettings Property

using System;
using System.Drawing;
using System.IO;
using System.Collections.Generic;
using System.ComponentModel;
using Infragistics.Shared;
using Infragistics.Win;
using Infragistics.Win.Misc;
using Infragistics.Win.Misc.UltraWinNavigationBar;
using Infragistics.Win.UltraWinTree;

    public class FileSystemSupport
    {
        private const string PATH_SEPARATOR = "\\";
        private UltraNavigationBar navigationBar = null;
        private UltraTree tree = null;

        public FileSystemSupport( UltraNavigationBar navigationBar, UltraTree tree )
        {
            //  Store references to the UltraNavigationBar and UltraTree
            this.navigationBar = navigationBar;
            this.tree = tree;

            //  Create the images we will use for the drives, folders, etc.
            this.CreateImages();

            //  Assign the folder image to the general node and location appearances.
            this.navigationBar.LocationSettings.Appearance.Image = this.GetImage( Images.Folder );
            this.tree.Override.NodeAppearance.Image = this.GetImage( Images.Folder );

            //  Synchronize the ImageSize properties for each control.
            this.tree.Override.ImageSize = this.navigationBar.ImageSizeResolved;

            //  Since we are lazily populating the nodes collections,
            //  show the expansion indicator initially for all nodes.
            this.tree.Override.ShowExpansionIndicator = ShowExpansionIndicator.CheckOnExpand;

            //  Set any additional properties on the UltraTree.
            this.tree.ScrollBounds = ScrollBounds.ScrollToFill;
            this.tree.Override.SelectionType = SelectType.Single;
            this.tree.HideSelection = false;

            //  Add an action button so the end user can refresh the directories.
            this.navigationBar.ActionButtons.Clear();
            UltraNavigationBarActionButton actionButton = this.navigationBar.ActionButtons.Add( "Refresh" );
            actionButton.Settings.Appearance.Image = this.GetImage( Images.Refresh );

            //  Restrict the width of the location's text button so very long
            //  directory names don't hog up all the space.
            this.navigationBar.LocationSettings.MaximumTextButtonWidth = 100;

            //  Restrict the number of items that can appear in the locations dropdown list.
            this.navigationBar.LocationSettings.MaximumDropDownItems = 10;

            //  Register as a listener for the events of interest
            this.HookEvents( true );
        }

        private void HookEvents( bool hook )
        {
            if ( hook )
            {
                //  NavigationBar
                this.navigationBar.InitializeLocations += new InitializeLocationsHandler(this.OnNavigationBarInitializeLocations);
                this.navigationBar.SelectedLocationChanged += new SelectedLocationChangedHandler(this.OnNavigationBarSelectedLocationChanged);
                this.navigationBar.ActionButtonClicked += new ActionButtonClickedHandler(this.OnNavigationBarActionButtonClicked);
                this.navigationBar.ActionButtonToolTipDisplaying += new ActionButtonToolTipDisplayingHandler(this.OnNavigationBarActionButtonToolTipDisplaying);

                //  Tree
                this.tree.BeforeExpand += new BeforeNodeChangedEventHandler(this.OnTreeBeforeExpand);
                this.tree.AfterActivate += new AfterNodeChangedEventHandler(this.OnTreeAfterActivate);
            }
            else
            {
                //  NavigationBar
                this.navigationBar.InitializeLocations -= new InitializeLocationsHandler(this.OnNavigationBarInitializeLocations);
                this.navigationBar.SelectedLocationChanged -= new SelectedLocationChangedHandler(this.OnNavigationBarSelectedLocationChanged);
                this.navigationBar.ActionButtonClicked -= new ActionButtonClickedHandler(this.OnNavigationBarActionButtonClicked);
                this.navigationBar.ActionButtonToolTipDisplaying += new ActionButtonToolTipDisplayingHandler(this.OnNavigationBarActionButtonToolTipDisplaying);

                //  Tree
                this.tree.BeforeExpand -= new BeforeNodeChangedEventHandler(this.OnTreeBeforeExpand);
                this.tree.AfterActivate -= new AfterNodeChangedEventHandler(this.OnTreeAfterActivate);
            }
        }

    }