using System; using System.Runtime.InteropServices; namespace Nikse.SubtitleEdit.Core { /// /// Windows 7+ taskbar list - http://msdn.microsoft.com/en-us/library/windows/desktop/dd391692%28v=vs.85%29.aspx /// public static class TaskbarList { private static readonly Lazy SupportedLazy = new Lazy(() => Environment.OSVersion.Version >= new Version(6, 1)); private static readonly Lazy TaskbarListLazy = new Lazy(() => (ITaskbarList3)new CLSID_TaskbarList()); public static bool Supported { get { return SupportedLazy.Value; } } internal static ITaskbarList3 Taskbar { get { return TaskbarListLazy.Value; } } public static void MarkFullscreenWindow(IntPtr hwnd, bool fullScreen) { if (Supported && hwnd != IntPtr.Zero) Taskbar.MarkFullscreenWindow(hwnd, fullScreen ? 1 : 0); } public static void SetProgressState(IntPtr hwnd, TaskbarButtonProgressFlags state) { if (Supported && hwnd != IntPtr.Zero) Taskbar.SetProgressState(hwnd, state); } public static void SetProgressValue(IntPtr hwnd, double value, double max) { if (Supported && hwnd != IntPtr.Zero) Taskbar.SetProgressValue(hwnd, (ulong)value, (ulong)max); } [ClassInterface(ClassInterfaceType.None), ComImport, Guid("56FDF344-FD6D-11d0-958A-006097C9A090")] private class CLSID_TaskbarList { } } /// Extends ITaskbarList2 by exposing methods that support the unified launching and switching /// taskbar button functionality added in Windows 7. This functionality includes thumbnail representations /// and switch targets based on individual tabs in a tabbed application, thumbnail toolbars, notification /// and status overlays, and progress indicators. [ComImport, Guid("ea1afb91-9e28-4b86-90e9-9e9f8a5eefaf"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)] internal interface ITaskbarList3 { // ITaskbarList /// Initializes the taskbar list object. This method must be /// called before any other ITaskbarList methods can be called. void HrInit(); /// Adds an item to the taskbar. /// A handle to the window to be /// added to the taskbar. void AddTab(IntPtr hWnd); /// Deletes an item from the taskbar. /// A handle to the window to be deleted /// from the taskbar. void DeleteTab(IntPtr hWnd); /// Activates an item on the taskbar. The window is not actually activated; /// the window’s item on the taskbar is merely displayed as active. /// A handle to the window on the taskbar to be displayed as active. void ActivateTab(IntPtr hWnd); /// Marks a taskbar item as active but does not visually activate it. /// A handle to the window to be marked as active. void SetActiveAlt(IntPtr hWnd); // ITaskbarList2 /// Marks a window as full-screen /// /// void MarkFullscreenWindow(IntPtr hWnd, int fullscreen); /// Displays or updates a progress bar hosted in a taskbar button to show /// the specific percentage completed of the full operation. /// The handle of the window whose associated taskbar button is being used as /// a progress indicator. /// An application-defined value that indicates the proportion of the /// operation that has been completed at the time the method is called. /// An application-defined value that specifies the value ullCompleted will /// have when the operation is complete. void SetProgressValue(IntPtr hWnd, ulong ullCompleted, ulong ullTotal); /// Sets the type and state of the progress indicator displayed on a taskbar button. /// 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. /// 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. void SetProgressState(IntPtr hWnd, TaskbarButtonProgressFlags tbpFlags); /// Informs the taskbar that a new tab or document thumbnail has been provided for /// display in an application’s taskbar group flyout. /// Handle of the tab or document window. This value is required and cannot /// be NULL. /// 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. void RegisterTab(IntPtr hWndTab, IntPtr hWndMDI); /// Removes a thumbnail from an application’s preview group when that tab or document is closed in the application. /// 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. void UnregisterTab(IntPtr hWndTab); /// 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. /// 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. /// 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. void SetTabOrder(IntPtr hWndTab, IntPtr hWndInsertBefore); /// Informs the taskbar that a tab or document window has been made the active window. /// 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. /// 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. /// 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. void SetTabActive(IntPtr hWndTab, IntPtr hWndMDI, UInt32 tbatFlags); /// Adds a thumbnail toolbar with a specified set of buttons to the thumbnail image of a window /// in a taskbar button flyout. /// The handle of the window whose thumbnail representation will receive the toolbar. /// This handle must belong to the calling process. /// The number of buttons defined in the array pointed to by pButton. The maximum /// number of buttons allowed is 7. /// 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. void ThumbBarAddButtons(IntPtr hWnd, uint cButtons, [MarshalAs(UnmanagedType.LPArray)] ThumbButton[] pButton); /// Shows, enables, disables, or hides buttons in a thumbnail toolbar as required by the /// window’s current state. A thumbnail toolbar is a toolbar embedded in a thumbnail image of a window /// in a taskbar button flyout. /// The handle of the window whose thumbnail representation contains the toolbar. /// The number of buttons defined in the array pointed to by pButton. /// The maximum number of buttons allowed is 7. This array contains only structures that represent existing buttons that are being updated. /// A pointer to an array of THUMBBUTTON structures. Each THUMBBUTTON defines an individual button. If the button already exists /// (the iId value is already defined), then that existing button is updated with the information provided in the structure. void ThumbBarUpdateButtons(IntPtr hWnd, uint cButtons, [MarshalAs(UnmanagedType.LPArray)] ThumbButton[] pButton); /// Specifies an image list that contains button images for a toolbar embedded in /// a thumbnail image of a window in a taskbar button flyout. /// The handle of the window whose thumbnail representation contains the /// toolbar to be updated. This handle must belong to the calling process. /// The handle of the image list that contains all button images to be used in the toolbar. void ThumbBarSetImageList(IntPtr hWnd, IntPtr himl); /// Applies an overlay to a taskbar button to indicate application status or a notification to the user. /// 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. /// The handle of an icon to use as the overlay. This should be a small icon, /// measuring 16×16 pixels at 96 dots per inch (dpi). If an overlay icon is already applied to the /// taskbar button, that existing overlay is replaced. /// A pointer to a string that provides an alt text version of the /// information conveyed by the overlay, for accessibility purposes. void SetOverlayIcon(IntPtr hWnd, IntPtr hIcon, string pszDescription); /// 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. /// The handle to the window whose thumbnail displays the tooltip. /// This handle must belong to the calling process. /// 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. void SetThumbnailTooltip(IntPtr hWnd, string pszTip); /// Selects a portion of a window’s client area to display as that window’s thumbnail in the taskbar. /// The handle to a window represented in the taskbar. /// 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. void SetThumbnailClip(IntPtr hWnd, IntPtr prcClip); } internal enum ThumbButtonMask { Bitmap = 0x1, Icon = 0x2, Tooltip = 0x4, Flags = 0x8 } public struct ThumbButton { #pragma warning disable 0169 private ThumbButtonMask _mask; private uint _id; private uint _bitmap; private IntPtr _icon; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)] public string Tip; private ThumbButtonFlags _flags; #pragma warning restore 0169 } [Flags] internal enum ThumbButtonFlags { Enabled = 0, Disabled = 0x1, DismissionClick = 0x2, NoBackground = 0x4, Hidden = 0x8, NonInteractive = 0x10 } [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1027:MarkEnumsWithFlags")] public enum TaskbarButtonProgressFlags { NoProgress = 0, Indeterminate = 0x1, Normal = 0x2, Error = 0x4, Paused = 0x8 } }