Exemplo n.º 1
0
        /// <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 = 504;

                //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;
        } 
Exemplo n.º 2
0
        /// <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;
        }