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Posted 17 Dec 2009

Clipz - A Friendly Introduction to the Windows 7 Taskbar Features

, 17 Dec 2009 CPOL
An overview of the Windows 7 taskbar features, and how to use then in your own applications.
Clipz
bin
Debug
Clipz.csproj.user
CopyIcon.ico
DeleteIcon.ico
Model
Native Methods
Properties
Resources
Audio.png
Clipboard.png
NextIcon.ico
PreviousIcon.ico
Utility
Core
AppRestartRecovery
Dialogs
Common
TaskDialogs
Interop
AppRestartRecovery
Dialogs
NetworkList
PowerManagement
TaskDialogs
NetworkList
PowerManagement
Properties
PropertySystem
SafeHandles
Libraries
StructureMap.dll
Shell
Common
CommonFileDialogs
Controls
Design
ShellObjects.cd
ShellThumbnailClassDiagram.cd
DesktopWindowManager
ExplorerBrowser
ExplorerBrowserDiagram.cd
Interop
Common
Dialogs
ExplorerBrowser
KnownFolders
PropertySystem
StockIcons
Taskbar
KnownFolders
Properties
PropertySystem
StockIcons
Taskbar
//Copyright (c) Microsoft Corporation.  All rights reserved.

using System;
using System.Collections.ObjectModel;
using System.Diagnostics;
using System.Windows.Markup;

namespace Microsoft.WindowsAPICodePack.Dialogs.Controls
{
    /// <summary>
    /// Defines the menu controls for the Common File Dialog.
    /// </summary>
    [ContentProperty("Items")]
    public class CommonFileDialogMenu : CommonFileDialogProminentControl
    {
        private Collection<CommonFileDialogMenuItem> items;
        /// <summary>
        /// Gets the collection of CommonFileDialogMenuItem objects.
        /// </summary>
        public Collection<CommonFileDialogMenuItem> Items
        {
            get { return items; }
        }

        /// <summary>
        /// Creates a new instance of this class.
        /// </summary>
        public CommonFileDialogMenu()
            : base()
        {
            Initialize();
        }

        /// <summary>
        /// Creates a new instance of this class with the specified text.
        /// </summary>
        /// <param name="text">The text to display for this control.</param>
        public CommonFileDialogMenu(string text)
            : base(text)
        {
            Initialize();
        }

        /// <summary>
        /// Creates a new instance of this class with the specified name and text.
        /// </summary>
        /// <param name="name">The name of this control.</param>
        /// <param name="text">The text to display for this control.</param>
        public CommonFileDialogMenu(string name, string text)
            : base(name, text)
        {
            Initialize();
        }
        
        /// <summary>
        /// Initializes the item collection for this class.
        /// </summary>
        private void Initialize()
        {
            items = new Collection<CommonFileDialogMenuItem>();
        }

        /// <summary>
        /// Attach the Menu control to the dialog object.
        /// </summary>
        /// <param name="dialog">the target dialog</param>
        internal override void Attach(IFileDialogCustomize dialog)
        {
            Debug.Assert(dialog != null, "CommonFileDialogMenu.Attach: dialog parameter can not be null");
            
            // Add the menu control
            dialog.AddMenu(this.Id, this.Text);
            
            // Add the menu items
            foreach (CommonFileDialogMenuItem item in this.items)
                dialog.AddControlItem(this.Id, item.Id, item.Text);
            
            // Make prominent as needed
            if (IsProminent)
                dialog.MakeProminent(this.Id);

            // Sync unmanaged properties with managed properties
            SyncUnmanagedProperties();
        }
    }

    /// <summary>
    /// Creates the CommonFileDialogMenuItem items for the Common File Dialog.
    /// </summary>
    public class CommonFileDialogMenuItem : CommonFileDialogControl
    {
        /// <summary>
        /// Creates a new instance of this class.
        /// </summary>
        public CommonFileDialogMenuItem()
            : base(String.Empty)
        {
        }

        /// <summary>
        /// Creates a new instance of this class with the specified text.
        /// </summary>
        /// <param name="text">The text to display for this control.</param>
        public CommonFileDialogMenuItem(string text)
            : base(text)
        {
        }

        /// <summary>
        /// Occurs when a user clicks a menu item.
        /// </summary>
        public event EventHandler Click = delegate { };
        internal void RaiseClickEvent()
        {
            // Make sure that this control is enabled and has a specified delegate
            if (Enabled)
                Click(this, EventArgs.Empty);
        }

        /// <summary>
        /// Attach this control to the dialog object
        /// </summary>
        /// <param name="dialog">Target dialog</param>
        internal override void Attach(IFileDialogCustomize dialog)
        {
            // Items are added via the menu itself
        }
    }
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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