1. add stepchanged event to stepbar

2. simplify the logic of close callback of growl
3. Make sure that the path is displayed properly when flowdirection is rtl

HandyControl/Controls/Growl.cs

@@ -105,7 +105,7 @@ namespace HandyControl.Controls
         /// </summary>
         private DispatcherTimer _timerClose;
 
-        private Action<Action, bool> CloseAction { get; set; }
+        private Func<bool, bool> ActionBeforeClose { get; set; }
 
         public string Message
         {
@@ -191,7 +191,7 @@ namespace HandyControl.Controls
 
         private void Update()
         {
-            if (CloseAction != null)
+            if (ActionBeforeClose != null)
             {
                 _staysOpen = true;
                 _showCloseButton = false;
@@ -211,7 +211,7 @@ namespace HandyControl.Controls
         /// <summary>
         ///     显示信息
         /// </summary>
-        private static void Show(string message, string iconKey, string iconBrushKey, Action<Action, bool> closeAction = null,
+        private static void Show(string message, string iconKey, string iconBrushKey, Func<bool, bool> actionBeforeClose = null,
             bool staysOpen = false, bool showCloseButton = true)
         {
             var ctl = new Growl
@@ -221,7 +221,7 @@ namespace HandyControl.Controls
                 Icon = ResourceHelper.GetResource<Geometry>(iconKey),
                 IconBrush = ResourceHelper.GetResource<Brush>(iconBrushKey),
                 _showCloseButton = showCloseButton,
-                CloseAction = closeAction,
+                ActionBeforeClose = actionBeforeClose,
                 _staysOpen = staysOpen
             };
             GrowlPanel.Children.Insert(0, ctl);
@@ -261,7 +261,7 @@ namespace HandyControl.Controls
             Show(message, "FatalGeometry", "PrimaryTextBrush", null, true, false);
         }
 
-        public static void Ask(string message, Action<Action, bool> closeAction) => Show(message, "AskGeometry", "AccentBrush", closeAction);
+        public static void Ask(string message, Func<bool, bool> actionBeforeClose) => Show(message, "AskGeometry", "AccentBrush", actionBeforeClose);
 
         private void ButtonClose_OnClick(object sender, RoutedEventArgs e) => Close();
 
@@ -287,8 +287,20 @@ namespace HandyControl.Controls
             GrowlPanel.Show();
         }
 
-        private void ButtonCancel_OnClick(object sender, RoutedEventArgs e) => CloseAction?.Invoke(Close, false);
+        private void ButtonCancel_OnClick(object sender, RoutedEventArgs e)
+        {
+            if (ActionBeforeClose?.Invoke(false) == true)
+            {
+                Close();
+            }
+        }
 
-        private void ButtonOk_OnClick(object sender, RoutedEventArgs e) => CloseAction?.Invoke(Close, true);
+        private void ButtonOk_OnClick(object sender, RoutedEventArgs e)
+        {
+            if (ActionBeforeClose?.Invoke(true) == true)
+            {
+                Close();
+            }
+        }
     }
 }

HandyControl/Controls/Steps/StepBar.cs

@@ -7,6 +7,7 @@ using System.Windows.Controls.Primitives;
 using System.Windows.Input;
 using System.Windows.Markup;
 using System.Windows.Media;
+using HandyControl.Data;
 using HandyControl.Interactivity;
 using HandyControl.Tools;
 
@@ -34,6 +35,22 @@ namespace HandyControl.Controls
 
         #endregion Constants
 
+        /// <summary>
+        ///     步骤改变事件
+        /// </summary>
+        public static readonly RoutedEvent StepChangedEvent =
+            EventManager.RegisterRoutedEvent("StepChanged", RoutingStrategy.Bubble,
+                typeof(EventHandler<FunctionEventArgs<int>>), typeof(StepBar));
+
+        /// <summary>
+        ///     步骤改变事件
+        /// </summary>
+        public event EventHandler<FunctionEventArgs<int>> StepChanged
+        {
+            add => AddHandler(StepChangedEvent, value);
+            remove => RemoveHandler(StepChangedEvent, value);
+        }
+
         public StepBar()
         {
             Loaded += (s1, e1) =>
@@ -106,6 +123,10 @@ namespace HandyControl.Controls
                 StepIndex = _panelMain.Children.Count - 1;
                 return;
             }
+            RaiseEvent(new FunctionEventArgs<int>(StepChangedEvent, this)
+            {
+                Info = StepIndex
+            });
             if (_panelMain.Children[StepIndex - 1] is StepItem stepItemFinished)
                 stepItemFinished.Status = true;
             if (_panelMain.Children[StepIndex] is StepItem stepItemSelected)
@@ -121,6 +142,10 @@ namespace HandyControl.Controls
                 StepIndex = 0;
                 return;
             }
+            RaiseEvent(new FunctionEventArgs<int>(StepChangedEvent, this)
+            {
+                Info = StepIndex
+            });
             if (_panelMain.Children[StepIndex + 1] is StepItem stepItemFinished)
                 stepItemFinished.Status = null;
             if (_panelMain.Children[StepIndex] is StepItem stepItemSelected)

HandyControl/Properties/AssemblyInfo.cs

@@ -10,5 +10,4 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 [assembly: ComVisible(false)]
-[assembly: AssemblyVersion("1.3.4")]
+[assembly: AssemblyVersion("1.3.4.*")]
-[assembly: AssemblyFileVersion("1.3.4")]

HandyControl/Themes/Basic/Paths.xaml

@@ -8,8 +8,11 @@
     <Style x:Key="PathBaseStyle" TargetType="{x:Type Path}">
         <Setter Property="Stretch" Value="Uniform"/>
         <Setter Property="SnapsToDevicePixels" Value="True"/>
+        <Setter Property="FlowDirection" Value="LeftToRight"/>
     </Style>
 
+    <Style BasedOn="{StaticResource PathBaseStyle}" TargetType="{x:Type Path}"/>
+
     <!--搜索-->
     <Style x:Key="SearchPathStyle" BasedOn="{StaticResource PathBaseStyle}" TargetType="{x:Type Path}">
         <Setter Property="Data" Value="{StaticResource SearchGeometry}"/>

HandyControlDemo/ViewModel/GrowlDemoViewModel.cs

@@ -19,10 +19,10 @@ namespace HandyControlDemo.ViewModel
             new RelayCommand(() => Growl.Error(Properties.Langs.Lang.GrowlError))).Value;
 
         public RelayCommand AskCmd => new Lazy<RelayCommand>(() => 
-            new RelayCommand(() => Growl.Ask(Properties.Langs.Lang.GrowlAsk, (closeAction, b) =>
+            new RelayCommand(() => Growl.Ask(Properties.Langs.Lang.GrowlAsk, isClosed =>
             {
-                Growl.Info(b.ToString());
+                Growl.Info(isClosed.ToString());
-                closeAction?.Invoke();
+                return true;
             }))).Value;
 
         public RelayCommand FatalCmd => new Lazy<RelayCommand>(() =>