Neuerstellung

FSI.BT.Tools/ToolTip.xaml.cs

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+using System;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Controls.Primitives;
+using System.Windows.Input;
+using Hardcodet.Wpf.TaskbarNotification;
+
+namespace FSI.BT.Tools
+{
+    /// <summary>
+    /// Interaktionslogik für ToolTip.xaml
+    /// </summary>
+    public partial class ToolTip : UserControl
+    {
+        private bool isClosing = false;
+
+        #region BalloonText dependency property
+
+        /// <summary>
+        /// Description
+        /// </summary>
+        public static readonly DependencyProperty BalloonTextProperty =
+            DependencyProperty.Register(nameof(BalloonText),
+                typeof(string),
+                typeof(ToolTip),
+                new FrameworkPropertyMetadata(string.Empty));
+
+        /// <summary>
+        /// A property wrapper for the <see cref="BalloonTextProperty"/>
+        /// dependency property:<br/>
+        /// Description
+        /// </summary>
+        public string BalloonText
+        {
+            get { return (string)GetValue(BalloonTextProperty); }
+            set { SetValue(BalloonTextProperty, value); }
+        }
+
+        /// <summary>
+        /// Description
+        /// </summary>
+        public static readonly DependencyProperty BalloonDescProperty =
+            DependencyProperty.Register(nameof(BalloonDesc),
+                typeof(string),
+                typeof(ToolTip),
+                new FrameworkPropertyMetadata(string.Empty));
+
+        /// <summary>
+        /// A property wrapper for the <see cref="BalloonDescProperty"/>
+        /// dependency property:<br/>
+        /// Description
+        /// </summary>
+        public string BalloonDesc
+        {
+            get { return (string)GetValue(BalloonDescProperty); }
+            set { SetValue(BalloonDescProperty, value); }
+        }
+
+        #endregion
+        public ToolTip()
+        {
+            InitializeComponent();
+            TaskbarIcon.AddBalloonClosingHandler(this, OnBalloonClosing);
+        }
+        /// <summary>
+        /// By subscribing to the <see cref="TaskbarIcon.BalloonClosingEvent"/>
+        /// and setting the "Handled" property to true, we suppress the popup
+        /// from being closed in order to display the custom fade-out animation.
+        /// </summary>
+        private void OnBalloonClosing(object sender, RoutedEventArgs e)
+        {
+            e.Handled = true; //suppresses the popup from being closed immediately
+            isClosing = true;
+        }
+
+
+        /// <summary>
+        /// Resolves the <see cref="TaskbarIcon"/> that displayed
+        /// the balloon and requests a close action.
+        /// </summary>
+        private void imgClose_MouseDown(object sender, MouseButtonEventArgs e)
+        {
+            //the tray icon assigned this attached property to simplify access
+            TaskbarIcon taskbarIcon = TaskbarIcon.GetParentTaskbarIcon(this);
+            taskbarIcon.CloseBalloon();
+        }
+
+        /// <summary>
+        /// If the users hovers over the balloon, we don't close it.
+        /// </summary>
+        private void grid_MouseEnter(object sender, MouseEventArgs e)
+        {
+            //if we're already running the fade-out animation, do not interrupt anymore
+            //(makes things too complicated for the sample)
+            if (isClosing) return;
+
+            //the tray icon assigned this attached property to simplify access
+            TaskbarIcon taskbarIcon = TaskbarIcon.GetParentTaskbarIcon(this);
+            taskbarIcon.ResetBalloonCloseTimer();
+        }
+
+        /// <summary>
+        /// Closes the popup once the fade-out animation completed.
+        /// The animation was triggered in XAML through the attached
+        /// BalloonClosing event.
+        /// </summary>
+        private void OnFadeOutCompleted(object sender, EventArgs e)
+        {
+            Popup pp = (Popup)Parent;
+            pp.IsOpen = false;
+        }
+
+    }
+
+}
+