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Task Manager

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4.90 (104 votes)
1 Jan 2010CPOL
Manage your daily tasks and To-Do list using some exciting features of Windows 7.
TaskManager
Core
AppRestartRecovery
Dialogs
Common
TaskDialogs
Interop
AppRestartRecovery
Dialogs
NetworkList
PowerManagement
TaskDialogs
NetworkList
PowerManagement
Properties
PropertySystem
SafeHandles
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
TaskManager
Common
Controls
Database
SqlTaskManager.edmx
TaskManager.mdf
TaskManager_log.LDF
Properties
Resources
Add.png
AddCategory.png
AddResource.png
AddTask.png
Back.ico
backcolor.bmp
BlueCat.png
Blue_Category.ico
bold.bmp
Category.png
Category_Icon.ico
Close.bmp
Close.png
color.bmp
Delete.png
Delete_01.png
Delete_Icon.ico
edit.png
edit_Icon.ico
Empty.png
Forward.ico
GanttChart.png
GreenCat.png
Green_Category.ico
High_Priority.png
High_Priority_Icon.ico
indent.bmp
italic.bmp
Low_Priority.png
Low_Priority_Icon.ico
Medium_Priority.png
Medium_Priority_Icon.ico
NextWeek_Flag.png
NextWeek_Flag_Icon.ico
NoDate_Flag.png
NoDate_Flag_Icon.ico
ol.bmp
OrangeCat.png
Orange_Category.ico
outdent.bmp
PurpleCat.png
Purple_Category.ico
Question.ico
Question_Icon.ico
RedCat.png
Red_Category.ico
Resource.png
Resource_Icon.ico
Save.bmp
Save.png
Task manager.ico
Task.png
TaskSetting.png
Task_Icon.ico
ThisWeek_Flag.png
ThisWeek_Flag_Icon.ico
Today_Flag.png
Today_Flag_Icon.ico
Tomorrow_Flag.png
Tomorrow_Flag_Icon.ico
underscore.bmp
uol.bmp
YellowCat.png
Yellow_Category.ico
TaskManager.csproj.user
Window7
TaskManagerSimple
TaskManagerSimple
Common
Controls
Database
SqlTaskManager.edmx
TaskManager.mdf
TaskManager_log.LDF
Properties
Resources
Add.png
AddCategory.png
AddResource.png
AddTask.png
Back.ico
backcolor.bmp
BlueCat.png
Blue_Category.ico
bold.bmp
Category.png
Category_Icon.ico
Close.bmp
Close.png
color.bmp
Delete.png
Delete_01.png
Delete_Icon.ico
edit.png
edit_Icon.ico
Empty.png
Forward.ico
GanttChart.png
GreenCat.png
Green_Category.ico
High_Priority.png
High_Priority_Icon.ico
indent.bmp
italic.bmp
Low_Priority.png
Low_Priority_Icon.ico
Medium_Priority.png
Medium_Priority_Icon.ico
NextWeek_Flag.png
NextWeek_Flag_Icon.ico
NoDate_Flag.png
NoDate_Flag_Icon.ico
ol.bmp
OrangeCat.png
Orange_Category.ico
outdent.bmp
PurpleCat.png
Purple_Category.ico
Question.ico
Question_Icon.ico
RedCat.png
Red_Category.ico
Resource.png
Resource_Icon.ico
Save.bmp
Save.png
Task manager.ico
Task.png
TaskSetting.png
Task_Icon.ico
ThisWeek_Flag.png
ThisWeek_Flag_Icon.ico
Today_Flag.png
Today_Flag_Icon.ico
Tomorrow_Flag.png
Tomorrow_Flag_Icon.ico
underscore.bmp
uol.bmp
YellowCat.png
Yellow_Category.ico
TaskManager.csproj.user
// Copyright (c) Microsoft Corporation.  All rights reserved.

using System;
using System.Windows;

namespace Microsoft.WindowsAPICodePack.Taskbar
{
    internal class TaskbarWindow : IDisposable
    {
        internal TabbedThumbnailProxyWindow TabbedThumbnailProxyWindow
        {
            get;
            set;
        }

        internal ThumbnailToolbarProxyWindow ThumbnailToolbarProxyWindow
        {
            get;
            set;
        }

        internal bool EnableTabbedThumbnails
        {
            get;
            set;
        }

        internal bool EnableThumbnailToolbars
        {
            get;
            set;
        }

        internal IntPtr UserWindowHandle
        {
            get;
            set;
        }

        internal UIElement WindowsControl
        {
            get;
            set;
        }

        private TabbedThumbnail tabbedThumbnailPreview = null;
        internal TabbedThumbnail TabbedThumbnail
        {
            get { return tabbedThumbnailPreview; }
            set
            {
                if (tabbedThumbnailPreview == null)
                {
                    TabbedThumbnailProxyWindow = new TabbedThumbnailProxyWindow(value);
                    tabbedThumbnailPreview = value;
                }
                else
                    throw new InvalidOperationException("Value is already set. It cannot be set more than once.");
            }
        }

        private ThumbnailToolbarButton[] thumbnailButtons;
        internal ThumbnailToolbarButton[] ThumbnailButtons
        {
            get { return thumbnailButtons; }
            set
            {
                thumbnailButtons = value;

                // Set the window handle on the buttons (for future updates)
                Array.ForEach(thumbnailButtons, new Action<ThumbnailToolbarButton>(UpdateHandle));
            }
        }

        private void UpdateHandle(ThumbnailToolbarButton button)
        {
            button.WindowHandle = WindowToTellTaskbarAbout;
            button.AddedToTaskbar = false;
        }

        internal IntPtr WindowToTellTaskbarAbout
        {
            get
            {
                if (EnableThumbnailToolbars && !EnableTabbedThumbnails && ThumbnailToolbarProxyWindow != null)
                    return ThumbnailToolbarProxyWindow.WindowToTellTaskbarAbout;
                else if (!EnableThumbnailToolbars && EnableTabbedThumbnails && TabbedThumbnailProxyWindow != null)
                    return TabbedThumbnailProxyWindow.WindowToTellTaskbarAbout;
                else if (EnableTabbedThumbnails && EnableThumbnailToolbars && TabbedThumbnailProxyWindow != null)
                    return TabbedThumbnailProxyWindow.WindowToTellTaskbarAbout;
                else
                    throw new InvalidOperationException();
            }
        }

        internal string Title
        {
            set
            {
                if (TabbedThumbnailProxyWindow != null)
                    TabbedThumbnailProxyWindow.Text = value;
                else
                    throw new InvalidOperationException();
            }
        }

        internal TaskbarWindow(IntPtr userWindowHandle, params ThumbnailToolbarButton[] buttons)
        {
            if (userWindowHandle == IntPtr.Zero)
                throw new ArgumentException("userWindowHandle");

            if (buttons == null || buttons.Length == 0)
                throw new ArgumentException("buttons");

            // Create our proxy window
            ThumbnailToolbarProxyWindow = new ThumbnailToolbarProxyWindow(userWindowHandle, buttons);
            ThumbnailToolbarProxyWindow.TaskbarWindow = this;

            // Set our current state
            EnableThumbnailToolbars = true;
            EnableTabbedThumbnails = false;

            //
            this.ThumbnailButtons = buttons;
            UserWindowHandle = userWindowHandle;
            WindowsControl = null;
        }

        internal TaskbarWindow(System.Windows.UIElement windowsControl, params ThumbnailToolbarButton[] buttons)
        {
            if (windowsControl == null)
                throw new ArgumentNullException("windowsControl");

            if (buttons == null || buttons.Length == 0)
                throw new ArgumentException("buttons");

            // Create our proxy window
            ThumbnailToolbarProxyWindow = new ThumbnailToolbarProxyWindow(windowsControl, buttons);
            ThumbnailToolbarProxyWindow.TaskbarWindow = this;

            // Set our current state
            EnableThumbnailToolbars = true;
            EnableTabbedThumbnails = false;
            
            this.ThumbnailButtons = buttons;
            UserWindowHandle = IntPtr.Zero;
            WindowsControl = windowsControl;
        }

        internal TaskbarWindow(TabbedThumbnail preview)
        {
            if (preview == null)
                throw new ArgumentException("preview");

            // Create our proxy window
            TabbedThumbnailProxyWindow = new TabbedThumbnailProxyWindow(preview);

            // set our current state
            EnableThumbnailToolbars = false;
            EnableTabbedThumbnails = true;

            //
            UserWindowHandle = preview.WindowHandle;
            WindowsControl = preview.WindowsControl; 
            TabbedThumbnail = preview;
        }


        #region IDisposable Members

        /// <summary>
        /// 
        /// </summary>
        ~TaskbarWindow()
        {
            Dispose(false);
        }

        /// <summary>
        /// Release the native objects.
        /// </summary>
        public void Dispose()
        {
            Dispose(true);
            GC.SuppressFinalize(this);
        }

        public void Dispose(bool disposing)
        {
            if (disposing)
            {
                // Dispose managed resources
                if (tabbedThumbnailPreview != null)
                    tabbedThumbnailPreview.Dispose();
                tabbedThumbnailPreview = null;

                if (ThumbnailToolbarProxyWindow != null)
                    ThumbnailToolbarProxyWindow.Dispose();
                ThumbnailToolbarProxyWindow = null;

                if (TabbedThumbnailProxyWindow != null)
                    TabbedThumbnailProxyWindow.Dispose();
                TabbedThumbnailProxyWindow = null;

                // Don't dispose the thumbnail buttons
                // as they might be used in another window.
                // Setting them to null will indicate we don't need use anymore.
                thumbnailButtons = null;
            }
        }

        #endregion
    }
}

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Shakeel Iqbal
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