Windows 7 new features: Step by step in VB.NET and C#

//Copyright (c) Microsoft Corporation.  All rights reserved.

using System;
using System.Runtime.InteropServices;
using System.Text;
using MS.WindowsAPICodePack.Internal;

namespace Microsoft.WindowsAPICodePack.Taskbar
{
    [ComImportAttribute()]
    [GuidAttribute("6332DEBF-87B5-4670-90C0-5E57B408A49E")]
    [InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)]
    internal interface ICustomDestinationList
    {
        void SetAppID(
            [MarshalAs(UnmanagedType.LPWStr)] string pszAppID);
        [PreserveSig]
        HRESULT BeginList(
            out uint cMaxSlots,
            ref Guid riid,
            [Out(), MarshalAs(UnmanagedType.Interface)] out object ppvObject);
        [PreserveSig]
        HRESULT AppendCategory(
            [MarshalAs(UnmanagedType.LPWStr)] string pszCategory,
            [MarshalAs(UnmanagedType.Interface)] IObjectArray poa);
        void AppendKnownCategory(
            [MarshalAs(UnmanagedType.I4)] KNOWNDESTCATEGORY category);
        [PreserveSig]
        HRESULT AddUserTasks(
            [MarshalAs(UnmanagedType.Interface)] IObjectArray poa);
        void CommitList();
        void GetRemovedDestinations(
            ref Guid riid,
            [Out(), MarshalAs(UnmanagedType.Interface)] out object ppvObject);
        void DeleteList(
            [MarshalAs(UnmanagedType.LPWStr)] string pszAppID);
        void AbortList();
    }

    [GuidAttribute("77F10CF0-3DB5-4966-B520-B7C54FD35ED6")]
    [ClassInterfaceAttribute(ClassInterfaceType.None)]
    [ComImportAttribute()]
    internal class CDestinationList { }

    [ComImportAttribute()]
    [GuidAttribute("92CA9DCD-5622-4BBA-A805-5E9F541BD8C9")]
    [InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)]
    internal interface IObjectArray
    {
        void GetCount(out uint cObjects);
        void GetAt(
            uint iIndex,
            ref Guid riid,
            [Out(), MarshalAs(UnmanagedType.Interface)] out object ppvObject);
    }

    [ComImportAttribute()]
    [GuidAttribute("5632B1A4-E38A-400A-928A-D4CD63230295")]
    [InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)]
    internal interface IObjectCollection
    {
        // IObjectArray
        [PreserveSig]
        void GetCount(out uint cObjects);
        [PreserveSig]
        void GetAt(
            uint iIndex,
            ref Guid riid,
            [Out(), MarshalAs(UnmanagedType.Interface)] out object ppvObject);

        // IObjectCollection
        void AddObject(
            [MarshalAs(UnmanagedType.Interface)] object pvObject);
        void AddFromArray(
            [MarshalAs(UnmanagedType.Interface)] IObjectArray poaSource);
        void RemoveObject(uint uiIndex);
        void Clear();
    }

    [GuidAttribute("2D3468C1-36A7-43B6-AC24-D3F02FD9607A")]
    [ClassInterfaceAttribute(ClassInterfaceType.None)]
    [ComImportAttribute()]
    internal class CEnumerableObjectCollection { }

    [ComImportAttribute()]
    [GuidAttribute("c43dc798-95d1-4bea-9030-bb99e2983a1a")]
    [InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)]
    internal interface ITaskbarList4
    {
        // ITaskbarList
        [PreserveSig]
        void HrInit();
        [PreserveSig]
        void AddTab(IntPtr hwnd);
        [PreserveSig]
        void DeleteTab(IntPtr hwnd);
        [PreserveSig]
        void ActivateTab(IntPtr hwnd);
        [PreserveSig]
        void SetActiveAlt(IntPtr hwnd);

        // ITaskbarList2
        [PreserveSig]
        void MarkFullscreenWindow(
            IntPtr hwnd,
            [MarshalAs(UnmanagedType.Bool)] bool fFullscreen);

        // ITaskbarList3
        [PreserveSig]
        void SetProgressValue(IntPtr hwnd, UInt64 ullCompleted, UInt64 ullTotal);
        [PreserveSig]
        void SetProgressState(IntPtr hwnd, TBPFLAG tbpFlags);
        [PreserveSig]
        void RegisterTab(IntPtr hwndTab, IntPtr hwndMDI);
        [PreserveSig]
        void UnregisterTab(IntPtr hwndTab);
        [PreserveSig]
        void SetTabOrder(IntPtr hwndTab, IntPtr hwndInsertBefore);
        [PreserveSig]
        void SetTabActive(IntPtr hwndTab, IntPtr hwndInsertBefore, uint dwReserved);
        [PreserveSig]
        HRESULT ThumbBarAddButtons(
            IntPtr hwnd,
            uint cButtons,
            [MarshalAs(UnmanagedType.LPArray)] THUMBBUTTON[] pButtons);
        [PreserveSig]
        HRESULT ThumbBarUpdateButtons(
            IntPtr hwnd,
            uint cButtons,
            [MarshalAs(UnmanagedType.LPArray)] THUMBBUTTON[] pButtons);
        [PreserveSig]
        void ThumbBarSetImageList(IntPtr hwnd, IntPtr himl);
        [PreserveSig]
        void SetOverlayIcon(
          IntPtr hwnd,
          IntPtr hIcon,
          [MarshalAs(UnmanagedType.LPWStr)] string pszDescription);
        [PreserveSig]
        void SetThumbnailTooltip(
            IntPtr hwnd,
            [MarshalAs(UnmanagedType.LPWStr)] string pszTip);
        [PreserveSig]
        void SetThumbnailClip(
            IntPtr hwnd,
            IntPtr prcClip);

        // ITaskbarList4
        void SetTabProperties(IntPtr hwndTab, STPFLAG stpFlags);
    }

    [GuidAttribute("56FDF344-FD6D-11d0-958A-006097C9A090")]
    [ClassInterfaceAttribute(ClassInterfaceType.None)]
    [ComImportAttribute()]
    internal class CTaskbarList { }
}