internal static void UnregisterTab(TaskbarWindow taskbarWindow) { if (taskbarWindow != null) { TaskbarList.Instance.UnregisterTab(taskbarWindow.WindowToTellTaskbarAbout); } }
/// <summary> /// Remove the tabbed thumbnail from the taskbar. /// </summary> /// <param name="windowsControl">TabbedThumbnail associated with the WPF Control (UIElement) that /// is to be removed from the taskbar</param> public void RemoveThumbnailPreview(UIElement windowsControl) { if (windowsControl == null) { throw new ArgumentNullException("windowsControl"); } if (!_tabbedThumbnailCacheWPF.ContainsKey(windowsControl)) { throw new ArgumentException(LocalizedMessages.ThumbnailManagerControlNotAdded, "windowsControl"); } TaskbarWindowManager.UnregisterTab(_tabbedThumbnailCacheWPF[windowsControl].TaskbarWindow); _tabbedThumbnailCacheWPF.Remove(windowsControl); TaskbarWindow taskbarWindow = TaskbarWindowManager.GetTaskbarWindow(windowsControl, TaskbarProxyWindowType.TabbedThumbnail); if (taskbarWindow != null) { if (TaskbarWindowManager._taskbarWindowList.Contains(taskbarWindow)) { TaskbarWindowManager._taskbarWindowList.Remove(taskbarWindow); } taskbarWindow.Dispose(); taskbarWindow = null; } }
internal static TaskbarWindow GetTaskbarWindow(System.Windows.UIElement windowsControl, TaskbarProxyWindowType taskbarProxyWindowType) { if (windowsControl == null) { throw new ArgumentNullException("windowsControl"); } TaskbarWindow toReturn = _taskbarWindowList.FirstOrDefault(window => { return((window.TabbedThumbnail != null && window.TabbedThumbnail.WindowsControl == windowsControl) || (window.ThumbnailToolbarProxyWindow != null && window.ThumbnailToolbarProxyWindow.WindowsControl == windowsControl)); }); if (toReturn != null) { if (taskbarProxyWindowType == TaskbarProxyWindowType.ThumbnailToolbar) { toReturn.EnableThumbnailToolbars = true; } else if (taskbarProxyWindowType == TaskbarProxyWindowType.TabbedThumbnail) { toReturn.EnableTabbedThumbnails = true; } } return(toReturn); }
internal static void AddTabbedThumbnail(TabbedThumbnail preview) { // Create a TOP-LEVEL proxy window for the user's source window/control TaskbarWindow taskbarWindow = null; // get the TaskbarWindow for UIElement/WindowHandle respectfully. if (preview.WindowHandle == IntPtr.Zero) { taskbarWindow = GetTaskbarWindow(preview.WindowsControl, TaskbarProxyWindowType.TabbedThumbnail); } else { taskbarWindow = GetTaskbarWindow(preview.WindowHandle, TaskbarProxyWindowType.TabbedThumbnail); } //create taskbar, or set its TabbedThumbnail if (taskbarWindow == null) { taskbarWindow = new TaskbarWindow(preview); _taskbarWindowList.Add(taskbarWindow); } else if (taskbarWindow.TabbedThumbnail == null) { taskbarWindow.TabbedThumbnail = preview; } // Listen for Title changes preview.TitleChanged += new EventHandler(thumbnailPreview_TitleChanged); preview.TooltipChanged += new EventHandler(thumbnailPreview_TooltipChanged); // Get/Set properties for proxy window IntPtr windowHandle = taskbarWindow.WindowToTellTaskbarAbout; // Register this new tab and set it as being active. TaskbarList.Instance.RegisterTab(windowHandle, preview.ParentWindowHandle); TaskbarList.Instance.SetTabOrder(windowHandle, IntPtr.Zero); TaskbarList.Instance.SetTabActive(windowHandle, preview.ParentWindowHandle, 0); // We need to make sure we can set these properties even when running with admin TabbedThumbnailNativeMethods.ChangeWindowMessageFilter( TabbedThumbnailNativeMethods.WmDwmSendIconicThumbnail, TabbedThumbnailNativeMethods.MsgfltAdd); TabbedThumbnailNativeMethods.ChangeWindowMessageFilter( TabbedThumbnailNativeMethods.WmDwmSendIconicLivePreviewBitmap, TabbedThumbnailNativeMethods.MsgfltAdd); // BUG: There should be somewhere to disable CustomWindowPreview. I didn't find it. TabbedThumbnailNativeMethods.EnableCustomWindowPreview(windowHandle, true); // Make sure we use the initial title set by the user // Trigger a "fake" title changed event, so the title is set on the taskbar thumbnail. // Empty/null title will be ignored. thumbnailPreview_TitleChanged(preview, EventArgs.Empty); thumbnailPreview_TooltipChanged(preview, EventArgs.Empty); // Indicate to the preview that we've added it on the taskbar preview.AddedToTaskbar = true; }
internal static void InvalidatePreview(TaskbarWindow taskbarWindow) { if (taskbarWindow != null) { TabbedThumbnailNativeMethods.DwmInvalidateIconicBitmaps( taskbarWindow.WindowToTellTaskbarAbout); } }
internal static void SetActiveTab(TaskbarWindow taskbarWindow) { if (taskbarWindow != null) { TaskbarList.Instance.SetTabActive( taskbarWindow.WindowToTellTaskbarAbout, taskbarWindow.TabbedThumbnail.ParentWindowHandle, 0); } }
/// <summary> /// The window manager should call this method to raise the public click event to all /// the subscribers. /// </summary> /// <param name="taskbarWindow">Taskbar Window associated with this button</param> internal void FireClick(TaskbarWindow taskbarWindow) { if (Click != null && taskbarWindow != null) { if (taskbarWindow.UserWindowHandle != IntPtr.Zero) { Click(this, new ThumbnailButtonClickedEventArgs(taskbarWindow.UserWindowHandle, this)); } else if (taskbarWindow.WindowsControl != null) { Click(this, new ThumbnailButtonClickedEventArgs(taskbarWindow.WindowsControl, this)); } } }
/// <summary> /// Dispatches a window message so that the appropriate events /// can be invoked. This is used for the Taskbar's thumbnail toolbar feature. /// </summary> /// <param name="m">The window message, typically obtained /// from a Windows Forms or WPF window procedure.</param> /// <param name="taskbarWindow">Taskbar window for which we are intercepting the messages</param> /// <returns>Returns true if this method handles the window message</returns> internal static bool DispatchMessage(ref System.Windows.Forms.Message m, TaskbarWindow taskbarWindow) { if (taskbarWindow.EnableThumbnailToolbars) { DispatchTaskbarButtonMessages(ref m, taskbarWindow); } // If we are removed from the taskbar, ignore all the messages if (taskbarWindow.EnableTabbedThumbnails) { if (taskbarWindow.TabbedThumbnail == null || taskbarWindow.TabbedThumbnail.RemovedFromTaskbar) { return(false); } if (DispatchActivateMessage(ref m, taskbarWindow)) { return(true); } if (DispatchSendIconThumbnailMessage(ref m, taskbarWindow)) { return(true); } if (DispatchLivePreviewBitmapMessage(ref m, taskbarWindow)) { return(true); } if (DispatchDestroyMessage(ref m, taskbarWindow)) { return(true); } if (DispatchNCDestroyMessage(ref m, taskbarWindow)) { return(true); } if (DispatchSystemCommandMessage(ref m, taskbarWindow)) { return(true); } } return(false); }
/// <summary> /// Helper function to capture a bitmap for a given window handle or incase of WPF app, /// an UIElement. /// </summary> /// <param name="taskbarWindow">The proxy window for which a bitmap needs to be created</param> /// <param name="requestedSize">Size for the requested bitmap image</param> /// <returns>Bitmap captured from the window handle or UIElement. Null if the window is hidden or it's size is zero.</returns> private static IntPtr GrabBitmap(TaskbarWindow taskbarWindow, System.Drawing.Size requestedSize) { IntPtr hBitmap = IntPtr.Zero; if (taskbarWindow.TabbedThumbnail.WindowHandle != IntPtr.Zero) //TabbedThumbnail is linked to WinformsControl { if (taskbarWindow.TabbedThumbnail.CurrentHBitmap == IntPtr.Zero) { using (Bitmap bmp = TabbedThumbnailScreenCapture.GrabWindowBitmap( taskbarWindow.TabbedThumbnail.WindowHandle, requestedSize)) { hBitmap = bmp.GetHbitmap(); } } else { using (Image img = Image.FromHbitmap(taskbarWindow.TabbedThumbnail.CurrentHBitmap)) { using (Bitmap bmp = new Bitmap(img, requestedSize)) { hBitmap = bmp != null?bmp.GetHbitmap() : IntPtr.Zero; } } } } else if (taskbarWindow.TabbedThumbnail.WindowsControl != null) //TabbedThumbnail is linked to a WPF UIElement { if (taskbarWindow.TabbedThumbnail.CurrentHBitmap == IntPtr.Zero) { Bitmap bmp = TabbedThumbnailScreenCapture.GrabWindowBitmap( taskbarWindow.TabbedThumbnail.WindowsControl, 96, 96, requestedSize.Width, requestedSize.Height); if (bmp != null) { hBitmap = bmp.GetHbitmap(); bmp.Dispose(); } } else { using (Image img = Image.FromHbitmap(taskbarWindow.TabbedThumbnail.CurrentHBitmap)) { using (Bitmap bmp = new Bitmap(img, requestedSize)) { hBitmap = bmp != null?bmp.GetHbitmap() : IntPtr.Zero; } } } } return(hBitmap); }
private static void AddThumbnailButtons(TaskbarWindow taskbarWindow, bool add, params ThumbnailToolBarButton[] buttons) { if (add) { _taskbarWindowList.Add(taskbarWindow); } else if (taskbarWindow.ThumbnailButtons == null) { taskbarWindow.ThumbnailButtons = buttons; } else { // We already have buttons assigned throw new InvalidOperationException(LocalizedMessages.TaskbarWindowManagerButtonsAlreadyAdded); } }
internal static void AddThumbnailButtons(System.Windows.UIElement control, params ThumbnailToolBarButton[] buttons) { // Try to get an existing taskbar window for this user uielement TaskbarWindow taskbarWindow = GetTaskbarWindow(control, TaskbarProxyWindowType.ThumbnailToolbar); TaskbarWindow temp = null; try { AddThumbnailButtons( taskbarWindow ?? (temp = new TaskbarWindow(control, buttons)), taskbarWindow == null, buttons); } catch { if (temp != null) { temp.Dispose(); } throw; } }
internal static void AddThumbnailButtons(IntPtr userWindowHandle, params ThumbnailToolBarButton[] buttons) { // Try to get an existing taskbar window for this user windowhandle TaskbarWindow taskbarWindow = GetTaskbarWindow(userWindowHandle, TaskbarProxyWindowType.ThumbnailToolbar); TaskbarWindow temp = null; try { AddThumbnailButtons( taskbarWindow ?? (temp = new TaskbarWindow(userWindowHandle, buttons)), taskbarWindow == null, buttons); } catch { if (temp != null) { temp.Dispose(); } throw; } }
private static void thumbnailPreview_TitleChanged(object sender, EventArgs e) { TabbedThumbnail preview = sender as TabbedThumbnail; TaskbarWindow taskbarWindow = null; if (preview.WindowHandle == IntPtr.Zero) { taskbarWindow = GetTaskbarWindow(preview.WindowsControl, TaskbarProxyWindowType.TabbedThumbnail); } else { taskbarWindow = GetTaskbarWindow(preview.WindowHandle, TaskbarProxyWindowType.TabbedThumbnail); } // Update the proxy window for the tabbed thumbnail if (taskbarWindow != null) { taskbarWindow.SetTitle(preview.Title); } }
private static void thumbnailPreview_TooltipChanged(object sender, EventArgs e) { TabbedThumbnail preview = sender as TabbedThumbnail; TaskbarWindow taskbarWindow = null; if (preview.WindowHandle == IntPtr.Zero) { taskbarWindow = GetTaskbarWindow(preview.WindowsControl, TaskbarProxyWindowType.TabbedThumbnail); } else { taskbarWindow = GetTaskbarWindow(preview.WindowHandle, TaskbarProxyWindowType.TabbedThumbnail); } // Update the proxy window for the tabbed thumbnail if (taskbarWindow != null) { TaskbarList.Instance.SetThumbnailTooltip(taskbarWindow.WindowToTellTaskbarAbout, preview.Tooltip); } }
private static void AddButtons(TaskbarWindow taskbarWindow) { // Add the buttons // Get the array of thumbnail buttons in native format ThumbButton[] nativeButtons = (from thumbButton in taskbarWindow.ThumbnailButtons select thumbButton.Win32ThumbButton).ToArray(); // Add the buttons on the taskbar HResult hr = TaskbarList.Instance.ThumbBarAddButtons(taskbarWindow.WindowToTellTaskbarAbout, (uint)taskbarWindow.ThumbnailButtons.Length, nativeButtons); if (!CoreErrorHelper.Succeeded(hr)) { throw new ShellException(hr); } _buttonsAdded = true; foreach (ThumbnailToolBarButton button in taskbarWindow.ThumbnailButtons) { button.AddedToTaskbar = _buttonsAdded; } }
/// <summary> /// Remove the tabbed thumbnail from the taskbar. /// </summary> /// <param name="windowHandle">TabbedThumbnail associated with the window handle that /// is to be removed from the taskbar</param> public void RemoveThumbnailPreview(IntPtr windowHandle) { if (!_tabbedThumbnailCache.ContainsKey(windowHandle)) { throw new ArgumentException(LocalizedMessages.ThumbnailManagerControlNotAdded, "windowHandle"); } TaskbarWindowManager.UnregisterTab(_tabbedThumbnailCache[windowHandle].TaskbarWindow); _tabbedThumbnailCache.Remove(windowHandle); TaskbarWindow taskbarWindow = TaskbarWindowManager.GetTaskbarWindow(windowHandle, TaskbarProxyWindowType.TabbedThumbnail); if (taskbarWindow != null) { if (TaskbarWindowManager._taskbarWindowList.Contains(taskbarWindow)) { TaskbarWindowManager._taskbarWindowList.Remove(taskbarWindow); } taskbarWindow.Dispose(); taskbarWindow = null; } }
/// <summary> /// Release the native objects. /// </summary> /// <param name="disposing"></param> protected virtual void Dispose(bool disposing) { if (disposing) { _taskbarWindow = null; if (Icon != null) { Icon.Dispose(); } Icon = null; _title = null; _tooltip = null; WindowsControl = null; } if (CurrentHBitmap != IntPtr.Zero) { ShellNativeMethods.DeleteObject(CurrentHBitmap); CurrentHBitmap = IntPtr.Zero; } }
internal static TaskbarWindow GetTaskbarWindow(IntPtr userWindowHandle, TaskbarProxyWindowType taskbarProxyWindowType) { if (userWindowHandle == IntPtr.Zero) { throw new ArgumentException(LocalizedMessages.CommonFileDialogInvalidHandle, "userWindowHandle"); } TaskbarWindow toReturn = _taskbarWindowList.FirstOrDefault(window => window.UserWindowHandle == userWindowHandle); // If its not in the list, return null so it can be added. if (toReturn != null) { if (taskbarProxyWindowType == TaskbarProxyWindowType.ThumbnailToolbar) { toReturn.EnableThumbnailToolbars = true; } else if (taskbarProxyWindowType == TaskbarProxyWindowType.TabbedThumbnail) { toReturn.EnableTabbedThumbnails = true; } } return(toReturn); }
private static bool DispatchActivateMessage(ref System.Windows.Forms.Message m, TaskbarWindow taskbarWindow) { if (m.Msg == (int)WindowMessage.Activate) { // Raise the event taskbarWindow.TabbedThumbnail.OnTabbedThumbnailActivated(); SetActiveTab(taskbarWindow); return(true); } return(false); }
private static void DispatchTaskbarButtonMessages(ref System.Windows.Forms.Message m, TaskbarWindow taskbarWindow) { if (m.Msg == (int)TaskbarNativeMethods.WmTaskbarButtonCreated) { AddButtons(taskbarWindow); } else { if (!_buttonsAdded) { AddButtons(taskbarWindow); } if (m.Msg == TaskbarNativeMethods.WmCommand && CoreNativeMethods.GetHiWord(m.WParam.ToInt64(), 16) == ThumbButton.Clicked) { int buttonId = CoreNativeMethods.GetLoWord(m.WParam.ToInt64()); var buttonsFound = from b in taskbarWindow.ThumbnailButtons where b.Id == buttonId select b; foreach (ThumbnailToolBarButton button in buttonsFound) { button.FireClick(taskbarWindow); } } } }
private static bool DispatchDestroyMessage(ref System.Windows.Forms.Message m, TaskbarWindow taskbarWindow) { if (m.Msg == (int)WindowMessage.Destroy) { TaskbarList.Instance.UnregisterTab(taskbarWindow.WindowToTellTaskbarAbout); taskbarWindow.TabbedThumbnail.RemovedFromTaskbar = true; return(true); } return(false); }
private static bool DispatchSendIconThumbnailMessage(ref System.Windows.Forms.Message m, TaskbarWindow taskbarWindow) { if (m.Msg == (int)TaskbarNativeMethods.WmDwmSendIconThumbnail) { int width = (int)((long)m.LParam >> 16); int height = (int)(((long)m.LParam) & (0xFFFF)); Size requestedSize = new Size(width, height); // Fire an event to let the user update their bitmap taskbarWindow.TabbedThumbnail.OnTabbedThumbnailBitmapRequested(); IntPtr hBitmap = IntPtr.Zero; // Default size for the thumbnail Size realWindowSize = new Size(200, 200); // Get the size of teh control or UIElement if (taskbarWindow.TabbedThumbnail.WindowHandle != IntPtr.Zero) { TabbedThumbnailNativeMethods.GetClientSize(taskbarWindow.TabbedThumbnail.WindowHandle, out realWindowSize); } else if (taskbarWindow.TabbedThumbnail.WindowsControl != null) { realWindowSize = new Size( Convert.ToInt32(taskbarWindow.TabbedThumbnail.WindowsControl.RenderSize.Width), Convert.ToInt32(taskbarWindow.TabbedThumbnail.WindowsControl.RenderSize.Height)); } if (realWindowSize.Height == -1 && realWindowSize.Width == -1) { realWindowSize.Width = realWindowSize.Height = 199; } // capture the bitmap for the given control // If the user has already specified us a bitmap to use, use that. if (taskbarWindow.TabbedThumbnail.ClippingRectangle != null && taskbarWindow.TabbedThumbnail.ClippingRectangle.Value != Rectangle.Empty) { if (taskbarWindow.TabbedThumbnail.CurrentHBitmap == IntPtr.Zero) { hBitmap = GrabBitmap(taskbarWindow, realWindowSize); } else { hBitmap = taskbarWindow.TabbedThumbnail.CurrentHBitmap; } // Clip the bitmap we just got. Bitmap bmp = Bitmap.FromHbitmap(hBitmap); Rectangle clippingRectangle = taskbarWindow.TabbedThumbnail.ClippingRectangle.Value; // If our clipping rect is out of bounds, update it if (clippingRectangle.Height > requestedSize.Height) { clippingRectangle.Height = requestedSize.Height; } if (clippingRectangle.Width > requestedSize.Width) { clippingRectangle.Width = requestedSize.Width; } // NOTE: Is this a memory leak? bmp = bmp.Clone(clippingRectangle, bmp.PixelFormat); // Make sure we dispose the bitmap before assigning, otherwise we'll have a memory leak if (hBitmap != IntPtr.Zero && taskbarWindow.TabbedThumbnail.CurrentHBitmap == IntPtr.Zero) { ShellNativeMethods.DeleteObject(hBitmap); } hBitmap = bmp.GetHbitmap(); bmp.Dispose(); } else { // Else, user didn't want any clipping, if they haven't provided us a bitmap, // use the screencapture utility and capture it. hBitmap = taskbarWindow.TabbedThumbnail.CurrentHBitmap; // If no bitmap, capture one using the utility if (hBitmap == IntPtr.Zero) { hBitmap = GrabBitmap(taskbarWindow, realWindowSize); } } // Only set the thumbnail if it's not null. // If it's null (either we didn't get the bitmap or size was 0), // let DWM handle it if (hBitmap != IntPtr.Zero) { Bitmap temp = TabbedThumbnailScreenCapture.ResizeImageWithAspect( hBitmap, requestedSize.Width, requestedSize.Height, true); if (taskbarWindow.TabbedThumbnail.CurrentHBitmap == IntPtr.Zero) { ShellNativeMethods.DeleteObject(hBitmap); } hBitmap = temp.GetHbitmap(); TabbedThumbnailNativeMethods.SetIconicThumbnail(taskbarWindow.WindowToTellTaskbarAbout, hBitmap); temp.Dispose(); } // If the bitmap we have is not coming from the user (i.e. we created it here), // then make sure we delete it as we don't need it now. if (taskbarWindow.TabbedThumbnail.CurrentHBitmap == IntPtr.Zero) { ShellNativeMethods.DeleteObject(hBitmap); } return(true); } return(false); }
private static bool DispatchLivePreviewBitmapMessage(ref System.Windows.Forms.Message m, TaskbarWindow taskbarWindow) { if (m.Msg == (int)TaskbarNativeMethods.WmDwmSendIconicLivePreviewBitmap) { // Try to get the width/height int width = (int)(((long)m.LParam) >> 16); int height = (int)(((long)m.LParam) & (0xFFFF)); // Default size for the thumbnail Size realWindowSize = new Size(200, 200); if (taskbarWindow.TabbedThumbnail.WindowHandle != IntPtr.Zero) { TabbedThumbnailNativeMethods.GetClientSize(taskbarWindow.TabbedThumbnail.WindowHandle, out realWindowSize); } else if (taskbarWindow.TabbedThumbnail.WindowsControl != null) { realWindowSize = new Size( Convert.ToInt32(taskbarWindow.TabbedThumbnail.WindowsControl.RenderSize.Width), Convert.ToInt32(taskbarWindow.TabbedThumbnail.WindowsControl.RenderSize.Height)); } // If we don't have a valid height/width, use the original window's size if (width <= 0) { width = realWindowSize.Width; } if (height <= 0) { height = realWindowSize.Height; } // Fire an event to let the user update their bitmap // Raise the event taskbarWindow.TabbedThumbnail.OnTabbedThumbnailBitmapRequested(); // capture the bitmap for the given control // If the user has already specified us a bitmap to use, use that. IntPtr hBitmap = taskbarWindow.TabbedThumbnail.CurrentHBitmap == IntPtr.Zero ? GrabBitmap(taskbarWindow, realWindowSize) : taskbarWindow.TabbedThumbnail.CurrentHBitmap; // If we have a valid parent window handle, // calculate the offset so we can place the "peek" bitmap // correctly on the app window if (taskbarWindow.TabbedThumbnail.ParentWindowHandle != IntPtr.Zero && taskbarWindow.TabbedThumbnail.WindowHandle != IntPtr.Zero) { System.Drawing.Point offset = new System.Drawing.Point(); // if we don't have a offset specified already by the user... if (!taskbarWindow.TabbedThumbnail.PeekOffset.HasValue) { offset = WindowUtilities.GetParentOffsetOfChild(taskbarWindow.TabbedThumbnail.WindowHandle, taskbarWindow.TabbedThumbnail.ParentWindowHandle); } else { offset = new System.Drawing.Point(Convert.ToInt32(taskbarWindow.TabbedThumbnail.PeekOffset.Value.X), Convert.ToInt32(taskbarWindow.TabbedThumbnail.PeekOffset.Value.Y)); } // Only set the peek bitmap if it's not null. // If it's null (either we didn't get the bitmap or size was 0), // let DWM handle it if (hBitmap != IntPtr.Zero) { if (offset.X >= 0 && offset.Y >= 0) { TabbedThumbnailNativeMethods.SetPeekBitmap( taskbarWindow.WindowToTellTaskbarAbout, hBitmap, offset, taskbarWindow.TabbedThumbnail.DisplayFrameAroundBitmap); } } // If the bitmap we have is not coming from the user (i.e. we created it here), // then make sure we delete it as we don't need it now. if (taskbarWindow.TabbedThumbnail.CurrentHBitmap == IntPtr.Zero) { ShellNativeMethods.DeleteObject(hBitmap); } return(true); } // Else, we don't have a valid window handle from the user. This is mostly likely because // we have a WPF UIElement control. If that's the case, use a different screen capture method // and also couple of ways to try to calculate the control's offset w.r.t it's parent. else if (taskbarWindow.TabbedThumbnail.ParentWindowHandle != IntPtr.Zero && taskbarWindow.TabbedThumbnail.WindowsControl != null) { System.Windows.Point offset; if (!taskbarWindow.TabbedThumbnail.PeekOffset.HasValue) { // Calculate the offset for a WPF UIElement control // For hidden controls, we can't seem to perform the transform. GeneralTransform objGeneralTransform = taskbarWindow.TabbedThumbnail.WindowsControl.TransformToVisual(taskbarWindow.TabbedThumbnail.WindowsControlParentWindow); offset = objGeneralTransform.Transform(new System.Windows.Point(0, 0)); } else { offset = new System.Windows.Point(taskbarWindow.TabbedThumbnail.PeekOffset.Value.X, taskbarWindow.TabbedThumbnail.PeekOffset.Value.Y); } // Only set the peek bitmap if it's not null. // If it's null (either we didn't get the bitmap or size was 0), // let DWM handle it if (hBitmap != IntPtr.Zero) { if (offset.X >= 0 && offset.Y >= 0) { TabbedThumbnailNativeMethods.SetPeekBitmap( taskbarWindow.WindowToTellTaskbarAbout, hBitmap, new System.Drawing.Point((int)offset.X, (int)offset.Y), taskbarWindow.TabbedThumbnail.DisplayFrameAroundBitmap); } else { TabbedThumbnailNativeMethods.SetPeekBitmap( taskbarWindow.WindowToTellTaskbarAbout, hBitmap, taskbarWindow.TabbedThumbnail.DisplayFrameAroundBitmap); } } // If the bitmap we have is not coming from the user (i.e. we created it here), // then make sure we delete it as we don't need it now. if (taskbarWindow.TabbedThumbnail.CurrentHBitmap == IntPtr.Zero) { ShellNativeMethods.DeleteObject(hBitmap); } return(true); } else { // Else (no parent specified), just set the bitmap. It would take over the entire // application window (would work only if you are a MDI app) // Only set the peek bitmap if it's not null. // If it's null (either we didn't get the bitmap or size was 0), // let DWM handle it if (hBitmap != null) { TabbedThumbnailNativeMethods.SetPeekBitmap(taskbarWindow.WindowToTellTaskbarAbout, hBitmap, taskbarWindow.TabbedThumbnail.DisplayFrameAroundBitmap); } // If the bitmap we have is not coming from the user (i.e. we created it here), // then make sure we delete it as we don't need it now. if (taskbarWindow.TabbedThumbnail.CurrentHBitmap == IntPtr.Zero) { ShellNativeMethods.DeleteObject(hBitmap); } return(true); } } return(false); }
private static bool DispatchNCDestroyMessage(ref System.Windows.Forms.Message m, TaskbarWindow taskbarWindow) { if (m.Msg == (int)WindowMessage.NCDestroy) { // Raise the event taskbarWindow.TabbedThumbnail.OnTabbedThumbnailClosed(); // Remove the taskbar window from our internal list if (_taskbarWindowList.Contains(taskbarWindow)) { _taskbarWindowList.Remove(taskbarWindow); } taskbarWindow.Dispose(); return(true); } return(false); }
private static bool DispatchSystemCommandMessage(ref System.Windows.Forms.Message m, TaskbarWindow taskbarWindow) { if (m.Msg == (int)WindowMessage.SystemCommand) { if (((int)m.WParam) == TabbedThumbnailNativeMethods.ScClose) { // Raise the event if (taskbarWindow.TabbedThumbnail.OnTabbedThumbnailClosed()) { // Remove the taskbar window from our internal list if (_taskbarWindowList.Contains(taskbarWindow)) { _taskbarWindowList.Remove(taskbarWindow); } taskbarWindow.Dispose(); taskbarWindow = null; } } else if (((int)m.WParam) == TabbedThumbnailNativeMethods.ScMaximize) { // Raise the event taskbarWindow.TabbedThumbnail.OnTabbedThumbnailMaximized(); } else if (((int)m.WParam) == TabbedThumbnailNativeMethods.ScMinimize) { // Raise the event taskbarWindow.TabbedThumbnail.OnTabbedThumbnailMinimized(); } return(true); } return(false); }