/// <summary> /// Inits the taskbar icon and registers a message listener /// in order to receive events from the taskbar area. /// </summary> public TaskbarIcon() { //using dummy sink in design mode messageSink = Util.IsDesignMode ? WindowMessageSink.CreateEmpty() : new WindowMessageSink(NotifyIconVersion.Win95); //init icon data structure iconData = NotifyIconData.CreateDefault(messageSink.MessageWindowHandle); //create the taskbar icon CreateTaskbarIcon(); //register event listeners messageSink.MouseEventReceived += OnMouseEvent; messageSink.TaskbarCreated += OnTaskbarCreated; messageSink.ChangeToolTipStateRequest += OnToolTipChange; messageSink.BalloonToolTipChanged += OnBalloonToolTipChanged; //init single click / balloon timers singleClickTimer = new Timer(DoSingleClickAction); balloonCloseTimer = new Timer(CloseBalloonCallback); //register listener in order to get notified when the application closes if (Application.Current != null) { Application.Current.Exit += OnExit; } }
/// <summary> /// Updates the taskbar icons with data provided by a given /// <see cref="NotifyIconData"/> instance. /// </summary> /// <param name="data">Configuration settings for the NotifyIcon.</param> /// <param name="command">Operation on the icon (e.g. delete the icon).</param> /// <param name="flags">Defines which members of the <paramref name="data"/> /// structure are set.</param> /// <returns>True if the data was successfully written.</returns> /// <remarks>See Shell_NotifyIcon documentation on MSDN for details.</remarks> public static bool WriteIconData(ref NotifyIconData data, NotifyCommand command, IconDataMembers flags) { //do nothing if in design mode if (IsDesignMode) { return(true); } data.ValidMembers = flags; lock (SyncRoot) { return(WinApi.Shell_NotifyIcon(command, ref data)); } }
/// <summary> /// Creates a default data structure that provides /// a hidden taskbar icon without the icon being set. /// </summary> /// <param name="handle"></param> /// <returns></returns> public static NotifyIconData CreateDefault(IntPtr handle) { var data = new NotifyIconData(); if (Environment.OSVersion.Version.Major >= 6) { //use the current size data.cbSize = (uint)Marshal.SizeOf(data); } else { //we need to set another size on xp/2003- otherwise certain //features (e.g. balloon tooltips) don't work. data.cbSize = 952; // NOTIFYICONDATAW_V3_SIZE //set to fixed timeout data.VersionOrTimeout = 10; } data.WindowHandle = handle; data.TaskbarIconId = 0x0; data.CallbackMessageId = WindowMessageSink.CallbackMessageId; data.VersionOrTimeout = (uint)NotifyIconVersion.Win95; data.IconHandle = IntPtr.Zero; //hide initially data.IconState = IconState.Hidden; data.StateMask = IconState.Hidden; //set flags data.ValidMembers = IconDataMembers.Message | IconDataMembers.Icon | IconDataMembers.Tip; //reset strings data.ToolTipText = data.BalloonText = data.BalloonTitle = String.Empty; return(data); }
public static extern bool Shell_NotifyIcon(NotifyCommand cmd, [In] ref NotifyIconData data);
/// <summary> /// Updates the taskbar icons with data provided by a given /// <see cref="NotifyIconData"/> instance. /// </summary> /// <param name="data">Configuration settings for the NotifyIcon.</param> /// <param name="command">Operation on the icon (e.g. delete the icon).</param> /// <returns>True if the data was successfully written.</returns> /// <remarks>See Shell_NotifyIcon documentation on MSDN for details.</remarks> public static bool WriteIconData(ref NotifyIconData data, NotifyCommand command) { return(WriteIconData(ref data, command, data.ValidMembers)); }