Imports System.Runtime.InteropServices
Imports Thiswillwork.Form1
 
Public Class Form1
 
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
 
    End Sub
 
    Public Enum tbpflag
        TBPF_NOPROGRESS
        TBPF_INDETERMINATE
        TBPF_NORMAL
        TBPF_ERROR
        TBPF_PAUSED
    End Enum
    Public Enum tbatflag
        TBATF_NONE = 0
        TBATF_USEMDITHUMBNAIL = 1
        TBATF_USEMDILIVEPREVIEW = 2
    End Enum
    Public Structure thumbbutton
        Dim todo
    End Structure 'TODO
 
 
    <StructLayout(LayoutKind.Sequential)> _
   Public Structure RECT
        Public Left As Integer
        Public Top As Integer
        Public Right As Integer
        Public Bottom As Integer
 
        Public Sub New(ByVal pLeft As Integer, ByVal pTop As Integer, ByVal pRight As Integer, ByVal pBottom As Integer)
            Left = pLeft
            Top = pTop
            Right = pRight
            Bottom = pBottom
        End Sub
 
        Public ReadOnly Property Height() As Integer
            Get
                Return Bottom - Top
            End Get
        End Property
        Public ReadOnly Property Width() As Integer
            Get
                Return Right - Left
            End Get
        End Property
        Public ReadOnly Property Location() As Point
            Get
                Return New Point(Left, Top)
            End Get
        End Property
        Public ReadOnly Property Size() As Size
            Get
                Return New Size(Width, Height)
            End Get
        End Property
 
        Public Function ToRectangle() As Rectangle
            Return Rectangle.FromLTRB(Me.Left, Me.Top, Me.Right, Me.Bottom)
        End Function
 
        Public Shared Function ToRectangle(ByVal sourceRect As RECT) As Rectangle
            Return Rectangle.FromLTRB(sourceRect.Left, sourceRect.Top, sourceRect.Right, sourceRect.Bottom)
        End Function
 
        Public Shared Function FromRectangle(ByVal r As Rectangle) As RECT
            Return New RECT(r.Left, r.Top, r.Right, r.Bottom)
        End Function
    End Structure
 
    <ComImport(), Guid("ea1afb91-9e28-4b86-90e9-9e9f8a5eefaf"), InterfaceType(ComInterfaceType.InterfaceIsDual)> _
    Public Interface ITaskbarList
        ''' <summary>
        ''' Activates an item on the taskbar. The window is not actually activated; the window's item on the taskbar is merely displayed as active.
        ''' </summary>
        ''' <param name="hWnd">A handle to the window on the taskbar to be displayed as active.</param>
        Sub ActivateTab(<[In]()> ByVal hWnd As IntPtr)
 
        ''' <summary>
        ''' Adds an item to the taskbar.
        ''' </summary>
        ''' <param name="hWnd">A handle to the window to be added to the taskbar.</param>
        Sub AddTab(<[In]()> ByVal hWnd As IntPtr)
 
        ''' <summary>
        ''' Deletes an item from the taskbar.
        ''' </summary>
        ''' <param name="hWnd">A handle to the window to be deleted from the taskbar.</param>
        Sub DeleteTab(<[In]()> ByVal hWnd As IntPtr)
 
        ''' <summary>
        ''' Initializes the taskbar list object. This method must be called before any other ITaskbarList methods can be called.
        ''' </summary>
        Sub HrInit()
 
        ''' <summary>
        ''' Marks a taskbar item as active but does not visually activate it.
        ''' </summary>
        ''' <param name="hWnd">A handle to the window to be marked as active.</param>
        Sub SetActiveAlt(<[In]()> ByVal hWnd As IntPtr)
    End Interface
 
    <ComImport(), Guid("ea1afb91-9e28-4b86-90e9-9e9f8a5eefaf"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)> _
    Public Interface ITaskbarList2
        Inherits ITaskbarList
        ''' <summary>
        ''' Marks a window as full-screen
        ''' </summary>
        ''' <param name="hWnd"></param>
        ''' <param name="fFullscreen"></param>
        Sub MarkFullscreenWindow(<[In]()> ByVal hWnd As IntPtr, <[In]()> ByVal fFullscreen As Integer)
    End Interface
 
    <ComImport(), Guid("ea1afb91-9e28-4b86-90e9-9e9f8a5eefaf"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)> _
    Public Interface ITaskbarList3
        Inherits ITaskbarList2
        ''' <summary>
        ''' Informs the taskbar that a new tab or document thumbnail has been provided for display in an
        ''' application's taskbar group flyout.
        ''' </summary>
        ''' <param name="hWndTab">Handle of the tab or document window. This value is required and cannot
        ''' be NULL.</param>
        ''' <param name="hWndMDI">Handle of the application's main window. This value tells the taskbar
        ''' which application's preview group to attach the new thumbnail to. This value is required and
        ''' cannot be NULL.</param>
        Sub RegisterTab(<[In]()> ByVal hWndTab As IntPtr, <[In]()> ByVal hWndMDI As IntPtr)
 
        ''' <summary>
        ''' Applies an overlay to a taskbar button to indicate application status or a notification to the user.
        ''' </summary>
        ''' <param name="hWnd">The handle of the window whose associated taskbar button receives the overlay.
        ''' This handle must belong to a calling process associated with the button's application and must be
        ''' a valid HWND or the call is ignored.</param>
        ''' <param name="hIcon">The handle of an icon to use as the overlay. This should be a small icon,
        ''' measuring 16x16 pixels at 96 dots per inch (dpi). If an overlay icon is already applied to the
        ''' taskbar button, that existing overlay is replaced.</param>
        ''' <param name="pszDescription">A pointer to a string that provides an alt text version of the
        ''' information conveyed by the overlay, for accessibility purposes.</param>
        Sub SetOverlayIcon(<[In]()> ByVal hWnd As IntPtr, <[In]()> ByVal hIcon As IntPtr, <[In]()> ByVal pszDescription As String)
 
        ''' <summary>
        ''' Sets the type and state of the progress indicator displayed on a taskbar button.
        ''' </summary>
        ''' <param name="hWnd">The handle of the window in which the progress of an operation is being
        ''' shown. This window's associated taskbar button will display the progress bar.</param>
        ''' <param name="tbpFlags">Flags that control the current state of the progress button. Specify
        ''' only one of the following flags; all states are mutually exclusive of all others.</param>
        Sub SetProgressState(<[In]()> ByVal hWnd As IntPtr, ByVal tbpFlags As tbpflag)
 
        ''' <summary>
        ''' Displays or updates a progress bar hosted in a taskbar button to show the specific percentage
        ''' completed of the full operation.
        ''' </summary>
        ''' <param name="hWnd">The handle of the window whose associated taskbar button is being used as
        ''' a progress indicator.</param>
        ''' <param name="ullCompleted">An application-defined value that indicates the proportion of the
        ''' operation that has been completed at the time the method is called.</param>
        ''' <param name="ullTotal">An application-defined value that specifies the value ullCompleted will
        ''' have when the operation is complete.</param>
        Sub SetProgressValue(<[In]()> ByVal hWnd As IntPtr, ByVal ullCompleted As ULong, ByVal ullTotal As ULong)
 
        ''' <summary>
        ''' Informs the taskbar that a tab or document window has been made the active window.
        ''' </summary>
        ''' <param name="hWndTab">Handle of the active tab window. This handle must already be registered
        ''' through ITaskbarList3::RegisterTab. This value can be NULL if no tab is active.</param>
        ''' <param name="hWndMDI">Handle of the application's main window. This value tells the taskbar
        ''' which group the thumbnail is a member of. This value is required and cannot be NULL.</param>
        ''' <param name="tbatFlags">None, one, or both of the following values that specify a thumbnail
        ''' and peek view to use in place of a representation of the specific tab or document.</param>
        Sub SetTabActive(<[In]()> ByVal hWndTab As IntPtr, ByVal hWndMDI As IntPtr, ByVal tbatFlags As tbatflag)
 
        ''' <summary>
        ''' Inserts a new thumbnail into a tabbed-document interface (TDI) or multiple-document interface
        ''' (MDI) application's group flyout or moves an existing thumbnail to a new position in the
        ''' application's group.
        ''' </summary>
        ''' <param name="hWndTab">The handle of the tab window whose thumbnail is being placed. This value
        ''' is required, must already be registered through ITaskbarList3::RegisterTab, and cannot be NULL.</param>
        ''' <param name="hWndInsertBefore">The handle of the tab window whose thumbnail that hwndTab is
        ''' inserted to the left of. This handle must already be registered through ITaskbarList3::RegisterTab.
        ''' If this value is NULL, the new thumbnail is added to the end of the list.</param>
        Sub SetTabOrder(<[In]()> ByVal hWndTab As IntPtr, <[In]()> ByVal hWndInsertBefore As IntPtr)
 
        ''' <summary>
        ''' Selects a portion of a window's client area to display as that window's thumbnail in the taskbar.
        ''' </summary>
        ''' <param name="hWnd">The handle to a window represented in the taskbar.</param>
        ''' <param name="prcClip">A pointer to a RECT structure that specifies a selection within the window's
        ''' client area, relative to the upper-left corner of that client area. To clear a clip that is already
        ''' in place and return to the default display of the thumbnail, set this parameter to NULL.</param>
        Sub SetThumbnailClip(<[In]()> ByVal hWnd As IntPtr, <[In]()> ByVal prcClip As RECT)
 
        ''' <summary>
        ''' Specifies or updates the text of the tooltip that is displayed when the mouse pointer rests on an
        ''' individual preview thumbnail in a taskbar button flyout.
        ''' </summary>
        ''' <param name="hWnd">The handle to the window whose thumbnail displays the tooltip. This handle must
        ''' belong to the calling process.</param>
        ''' <param name="pszTip">The pointer to the text to be displayed in the tooltip. This value can be NULL,
        ''' in which case the title of the window specified by hwnd is used as the tooltip.</param>
        Sub SetThumbnailTooltip(<[In]()> ByVal hWnd As IntPtr, <[In]()> ByVal pszTip As String)
 
        ''' <summary>
        ''' Adds a thumbnail toolbar with a specified set of buttons to the thumbnail image of a window in a
        ''' taskbar button flyout.
        ''' </summary>
        ''' <param name="hWnd">The handle of the window whose thumbnail representation will receive the toolbar.
        ''' This handle must belong to the calling process.</param>
        ''' <param name="cButtons">The number of buttons defined in the array pointed to by pButton. The maximum
        ''' number of buttons allowed is 7.</param>
        ''' <param name="pButton">A pointer to an array of THUMBBUTTON structures. Each THUMBBUTTON defines an
        ''' individual button to be added to the toolbar. Buttons cannot be added or deleted later, so this must
        ''' be the full defined set. Buttons also cannot be reordered, so their order in the array, which is the
        ''' order in which they are displayed left to right, will be their permanent order.</param>
 
        Sub ThumbBarAddButtons(<[In]()> ByVal hWnd As IntPtr, <[In]()> ByVal cButtons As UInteger, <[In]()> ByVal pButton As THUMBBUTTON)
 
        ''' <summary>
        ''' Specifies an image list that contains button images for a toolbar embedded in a thumbnail image of a
        ''' window in a taskbar button flyout.
        ''' </summary>
        ''' <param name="hWnd">The handle of the window whose thumbnail representation contains the toolbar to be
        ''' updated. This handle must belong to the calling process.</param>
        ''' <param name="himl">The handle of the image list that contains all button images to be used in the toolbar.</param>
        Sub ThumbBarSetImageList(<[In]()> ByVal hWnd As IntPtr, <[In]()> ByVal himl As IntPtr)
 
        ''' <summary>
        ''' Removes a thumbnail from an application's preview group when that tab or document is closed in the application.
        ''' </summary>
        ''' <param name="hWndTab">The handle of the tab window whose thumbnail is being removed. This is the same
        ''' value with which the thumbnail was registered as part the group through ITaskbarList3::RegisterTab.
        ''' This value is required and cannot be NULL.</param>
        Sub UnregisterTab(<[In]()> ByVal hWndTab As IntPtr)
    End Interface
 
 
 
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
 
    End Sub
 
End Class