diff --git a/DownKyi/ViewModels/Toolbox/ViewBiliHelperViewModel.cs b/DownKyi/ViewModels/Toolbox/ViewBiliHelperViewModel.cs
index 769892a..f874027 100644
--- a/DownKyi/ViewModels/Toolbox/ViewBiliHelperViewModel.cs
+++ b/DownKyi/ViewModels/Toolbox/ViewBiliHelperViewModel.cs
@@ -15,36 +15,36 @@ public class ViewBiliHelperViewModel : ViewModelBase
 
     #region 页面属性申明
 
-    private string avid;
+    private string _avid;
 
     public string Avid
     {
-        get => avid;
-        set => SetProperty(ref avid, value);
+        get => _avid;
+        set => SetProperty(ref _avid, value);
     }
 
-    private string bvid;
+    private string _bvid;
 
     public string Bvid
     {
-        get => bvid;
-        set => SetProperty(ref bvid, value);
+        get => _bvid;
+        set => SetProperty(ref _bvid, value);
     }
 
-    private string danmakuUserID;
+    private string _danmakuUserId;
 
-    public string DanmakuUserID
+    public string DanmakuUserId
     {
-        get => danmakuUserID;
-        set => SetProperty(ref danmakuUserID, value);
+        get => _danmakuUserId;
+        set => SetProperty(ref _danmakuUserId, value);
     }
 
-    private string userMid;
+    private string _userMid;
 
     public string UserMid
     {
-        get => userMid;
-        set => SetProperty(ref userMid, value);
+        get => _userMid;
+        set => SetProperty(ref _userMid, value);
     }
 
     #endregion
@@ -59,10 +59,9 @@ public class ViewBiliHelperViewModel : ViewModelBase
     #region 命令申明
 
     // 输入avid事件
-    private DelegateCommand<string> avidCommand;
+    private DelegateCommand<string>? _avidCommand;
 
-    public DelegateCommand<string> AvidCommand =>
-        avidCommand ?? (avidCommand = new DelegateCommand<string>(ExecuteAvidCommand));
+    public DelegateCommand<string> AvidCommand => _avidCommand ??= new DelegateCommand<string>(ExecuteAvidCommand);
 
     /// <summary>
     /// 输入avid事件
@@ -79,7 +78,7 @@ public class ViewBiliHelperViewModel : ViewModelBase
             return;
         }
 
-        long avid = ParseEntrance.GetAvId(parameter);
+        var avid = ParseEntrance.GetAvId(parameter);
         if (avid == -1)
         {
             return;
@@ -89,10 +88,9 @@ public class ViewBiliHelperViewModel : ViewModelBase
     }
 
     // 输入bvid事件
-    private DelegateCommand<string> bvidCommand;
+    private DelegateCommand<string>? _bvidCommand;
 
-    public DelegateCommand<string> BvidCommand =>
-        bvidCommand ?? (bvidCommand = new DelegateCommand<string>(ExecuteBvidCommand));
+    public DelegateCommand<string> BvidCommand => _bvidCommand ??= new DelegateCommand<string>(ExecuteBvidCommand);
 
     /// <summary>
     /// 输入bvid事件
@@ -112,16 +110,15 @@ public class ViewBiliHelperViewModel : ViewModelBase
 
         await Task.Run(() =>
         {
-            ulong avid = BvId.Bv2Av(parameter);
+            var avid = BvId.Bv2Av(parameter);
             Avid = $"av{avid}";
         });
     }
 
     // 访问网页事件
-    private DelegateCommand gotoWebCommand;
+    private DelegateCommand? _gotoWebCommand;
 
-    public DelegateCommand GotoWebCommand =>
-        gotoWebCommand ?? (gotoWebCommand = new DelegateCommand(ExecuteGotoWebCommand));
+    public DelegateCommand GotoWebCommand => _gotoWebCommand ??= new DelegateCommand(ExecuteGotoWebCommand);
 
     /// <summary>
     /// 访问网页事件
@@ -133,11 +130,9 @@ public class ViewBiliHelperViewModel : ViewModelBase
     }
 
     // 查询弹幕发送者事件
-    private DelegateCommand findDanmakuSenderCommand;
+    private DelegateCommand? _findDanmakuSenderCommand;
 
-    public DelegateCommand FindDanmakuSenderCommand => findDanmakuSenderCommand ??
-                                                       (findDanmakuSenderCommand =
-                                                           new DelegateCommand(ExecuteFindDanmakuSenderCommand));
+    public DelegateCommand FindDanmakuSenderCommand => _findDanmakuSenderCommand ??= new DelegateCommand(ExecuteFindDanmakuSenderCommand);
 
     /// <summary>
     /// 查询弹幕发送者事件
@@ -148,7 +143,7 @@ public class ViewBiliHelperViewModel : ViewModelBase
         {
             try
             {
-                UserMid = DanmakuSender.FindDanmakuSender(DanmakuUserID);
+                UserMid = DanmakuSender.FindDanmakuSender(DanmakuUserId);
             }
             catch (Exception e)
             {
@@ -161,11 +156,9 @@ public class ViewBiliHelperViewModel : ViewModelBase
     }
 
     // 访问用户空间事件
-    private DelegateCommand visitUserSpaceCommand;
+    private DelegateCommand? _visitUserSpaceCommand;
 
-    public DelegateCommand VisitUserSpaceCommand => visitUserSpaceCommand ??
-                                                    (visitUserSpaceCommand =
-                                                        new DelegateCommand(ExecuteVisitUserSpaceCommand));
+    public DelegateCommand VisitUserSpaceCommand => _visitUserSpaceCommand ??= new DelegateCommand(ExecuteVisitUserSpaceCommand);
 
     /// <summary>
     /// 访问用户空间事件
diff --git a/DownKyi/ViewModels/Toolbox/ViewDelogoViewModel.cs b/DownKyi/ViewModels/Toolbox/ViewDelogoViewModel.cs
index 1e693f2..11c5bcb 100644
--- a/DownKyi/ViewModels/Toolbox/ViewDelogoViewModel.cs
+++ b/DownKyi/ViewModels/Toolbox/ViewDelogoViewModel.cs
@@ -1,5 +1,7 @@
-using System.Threading.Tasks;
+using System.Linq;
+using System.Threading.Tasks;
 using Avalonia.Controls;
+using Avalonia.VisualTree;
 using DownKyi.Core.FFMpeg;
 using DownKyi.Events;
 using DownKyi.Utils;
@@ -13,56 +15,56 @@ public class ViewDelogoViewModel : ViewModelBase
     public const string Tag = "PageToolboxDelogo";
 
     // 是否正在执行去水印任务
-    private bool isDelogo = false;
+    private bool _isDelogo = false;
 
     #region 页面属性申明
 
-    private string videoPath;
+    private string _videoPath;
 
     public string VideoPath
     {
-        get { return videoPath; }
-        set { SetProperty(ref videoPath, value); }
+        get => _videoPath;
+        set => SetProperty(ref _videoPath, value);
     }
 
-    private int logoWidth;
+    private int _logoWidth;
 
     public int LogoWidth
     {
-        get { return logoWidth; }
-        set { SetProperty(ref logoWidth, value); }
+        get => _logoWidth;
+        set => SetProperty(ref _logoWidth, value);
     }
 
-    private int logoHeight;
+    private int _logoHeight;
 
     public int LogoHeight
     {
-        get { return logoHeight; }
-        set { SetProperty(ref logoHeight, value); }
+        get => _logoHeight;
+        set => SetProperty(ref _logoHeight, value);
     }
 
-    private int logoX;
+    private int _logoX;
 
     public int LogoX
     {
-        get { return logoX; }
-        set { SetProperty(ref logoX, value); }
+        get => _logoX;
+        set => SetProperty(ref _logoX, value);
     }
 
-    private int logoY;
+    private int _logoY;
 
     public int LogoY
     {
-        get { return logoY; }
-        set { SetProperty(ref logoY, value); }
+        get => _logoY;
+        set => SetProperty(ref _logoY, value);
     }
 
-    private string status;
+    private string _status;
 
     public string Status
     {
-        get { return status; }
-        set { SetProperty(ref status, value); }
+        get => _status;
+        set => SetProperty(ref _status, value);
     }
 
     #endregion
@@ -84,17 +86,16 @@ public class ViewDelogoViewModel : ViewModelBase
     #region 命令申明
 
     // 选择视频事件
-    private DelegateCommand selectVideoCommand;
+    private DelegateCommand? _selectVideoCommand;
 
-    public DelegateCommand SelectVideoCommand =>
-        selectVideoCommand ?? (selectVideoCommand = new DelegateCommand(ExecuteSelectVideoCommand));
+    public DelegateCommand SelectVideoCommand => _selectVideoCommand ??= new DelegateCommand(ExecuteSelectVideoCommand);
 
     /// <summary>
     /// 选择视频事件
     /// </summary>
     private async void ExecuteSelectVideoCommand()
     {
-        if (isDelogo)
+        if (_isDelogo)
         {
             EventAggregator.GetEvent<MessageEvent>().Publish(DictionaryResource.GetString("TipWaitTaskFinished"));
             return;
@@ -104,17 +105,16 @@ public class ViewDelogoViewModel : ViewModelBase
     }
 
     // 去水印事件
-    private DelegateCommand delogoCommand;
+    private DelegateCommand? _delogoCommand;
 
-    public DelegateCommand DelogoCommand =>
-        delogoCommand ?? (delogoCommand = new DelegateCommand(ExecuteDelogoCommand));
+    public DelegateCommand DelogoCommand => _delogoCommand ??= new DelegateCommand(ExecuteDelogoCommand);
 
     /// <summary>
     /// 去水印事件
     /// </summary>
     private async void ExecuteDelogoCommand()
     {
-        if (isDelogo)
+        if (_isDelogo)
         {
             EventAggregator.GetEvent<MessageEvent>().Publish(DictionaryResource.GetString("TipWaitTaskFinished"));
             return;
@@ -151,26 +151,25 @@ public class ViewDelogoViewModel : ViewModelBase
         }
 
         // 新文件名
-        string newFileName = VideoPath.Insert(VideoPath.Length - 4, "_delogo");
+        var newFileName = VideoPath.Insert(VideoPath.Length - 4, "_delogo");
         Status = string.Empty;
 
         await Task.Run(() =>
         {
             // 执行去水印程序
-            isDelogo = true;
+            _isDelogo = true;
             FFMpeg.Instance.Delogo(VideoPath, newFileName, LogoX, LogoY, LogoWidth, LogoHeight, output =>
             {
                 Status += output + "\n";
             });
-            isDelogo = false;
+            _isDelogo = false;
         });
     }
 
     // Status改变事件
-    private DelegateCommand<object> statusCommand;
+    private DelegateCommand<object>? _statusCommand;
 
-    public DelegateCommand<object> StatusCommand =>
-        statusCommand ?? (statusCommand = new DelegateCommand<object>(ExecuteStatusCommand));
+    public DelegateCommand<object> StatusCommand => _statusCommand ??= new DelegateCommand<object>(ExecuteStatusCommand);
 
     /// <summary>
     /// Status改变事件
@@ -178,13 +177,13 @@ public class ViewDelogoViewModel : ViewModelBase
     /// <param name="parameter"></param>
     private void ExecuteStatusCommand(object parameter)
     {
-        if (!(parameter is TextBox output))
+        if (parameter is not TextChangedEventArgs output)
         {
             return;
         }
 
         // TextBox滚动到底部
-        // output.ScrollToEnd();
+        ((TextBox?)output.Source)?.GetVisualDescendants().OfType<ScrollViewer>().FirstOrDefault()?.ScrollToEnd();
     }
 
     #endregion
diff --git a/DownKyi/ViewModels/Toolbox/ViewExtractMediaViewModel.cs b/DownKyi/ViewModels/Toolbox/ViewExtractMediaViewModel.cs
index e5bc80e..00780a1 100644
--- a/DownKyi/ViewModels/Toolbox/ViewExtractMediaViewModel.cs
+++ b/DownKyi/ViewModels/Toolbox/ViewExtractMediaViewModel.cs
@@ -1,6 +1,8 @@
 using System;
+using System.Linq;
 using System.Threading.Tasks;
 using Avalonia.Controls;
+using Avalonia.VisualTree;
 using DownKyi.Core.FFMpeg;
 using DownKyi.Events;
 using DownKyi.Utils;
@@ -14,36 +16,36 @@ public class ViewExtractMediaViewModel : ViewModelBase
     public const string Tag = "PageToolboxExtractMedia";
 
     // 是否正在执行任务
-    private bool isExtracting = false;
+    private bool _isExtracting;
 
     #region 页面属性申明
 
-    private string videoPathsStr;
+    private string _videoPathsStr;
 
     public string VideoPathsStr
     {
-        get => videoPathsStr;
-        set { SetProperty(ref videoPathsStr, value); }
+        get => _videoPathsStr;
+        set => SetProperty(ref _videoPathsStr, value);
     }
 
-    private string[] videoPaths;
+    private string[] _videoPaths;
 
     public string[] VideoPaths
     {
-        get => videoPaths;
+        get => _videoPaths;
         set
         {
-            videoPaths = value;
+            _videoPaths = value;
             VideoPathsStr = string.Join(Environment.NewLine, value);
         }
     }
 
-    private string status;
+    private string _status;
 
     public string Status
     {
-        get => status;
-        set => SetProperty(ref status, value);
+        get => _status;
+        set => SetProperty(ref _status, value);
     }
 
     #endregion
@@ -52,7 +54,7 @@ public class ViewExtractMediaViewModel : ViewModelBase
     {
         #region 属性初始化
 
-        VideoPaths = new string[0];
+        VideoPaths = Array.Empty<string>();
 
         #endregion
     }
@@ -60,17 +62,16 @@ public class ViewExtractMediaViewModel : ViewModelBase
     #region 命令申明
 
     // 选择视频事件
-    private DelegateCommand selectVideoCommand;
+    private DelegateCommand? _selectVideoCommand;
 
-    public DelegateCommand SelectVideoCommand =>
-        selectVideoCommand ?? (selectVideoCommand = new DelegateCommand(ExecuteSelectVideoCommand));
+    public DelegateCommand SelectVideoCommand => _selectVideoCommand ??= new DelegateCommand(ExecuteSelectVideoCommand);
 
     /// <summary>
     /// 选择视频事件
     /// </summary>
     private async void ExecuteSelectVideoCommand()
     {
-        if (isExtracting)
+        if (_isExtracting)
         {
             EventAggregator.GetEvent<MessageEvent>().Publish(DictionaryResource.GetString("TipWaitTaskFinished"));
             return;
@@ -80,24 +81,22 @@ public class ViewExtractMediaViewModel : ViewModelBase
     }
 
     // 提取音频事件
-    private DelegateCommand extractAudioCommand;
+    private DelegateCommand? _extractAudioCommand;
 
-    public DelegateCommand ExtractAudioCommand => extractAudioCommand ??
-                                                  (extractAudioCommand =
-                                                      new DelegateCommand(ExecuteExtractAudioCommand));
+    public DelegateCommand ExtractAudioCommand => _extractAudioCommand ??= new DelegateCommand(ExecuteExtractAudioCommand);
 
     /// <summary>
     /// 提取音频事件
     /// </summary>
     private async void ExecuteExtractAudioCommand()
     {
-        if (isExtracting)
+        if (_isExtracting)
         {
             EventAggregator.GetEvent<MessageEvent>().Publish(DictionaryResource.GetString("TipWaitTaskFinished"));
             return;
         }
 
-        if (VideoPaths.Length <= 0)
+        if (VideoPaths?.Length <= 0)
         {
             EventAggregator.GetEvent<MessageEvent>().Publish(DictionaryResource.GetString("TipNoSeletedVideo"));
             return;
@@ -107,35 +106,30 @@ public class ViewExtractMediaViewModel : ViewModelBase
 
         await Task.Run(() =>
         {
-            isExtracting = true;
+            _isExtracting = true;
             foreach (var item in VideoPaths)
             {
                 // 音频文件名
-                string audioFileName = item.Remove(item.Length - 4, 4) + ".aac";
+                var audioFileName = item.Remove(item.Length - 4, 4) + ".aac";
                 // 执行提取音频程序
-                FFMpeg.Instance.ExtractAudio(item, audioFileName, output =>
-                {
-                    Status += output + "\n";
-                });
+                FFMpeg.Instance.ExtractAudio(item, audioFileName, output => { Status += output + "\n"; });
             }
 
-            isExtracting = false;
+            _isExtracting = false;
         });
     }
 
     // 提取视频事件
-    private DelegateCommand extractVideoCommand;
+    private DelegateCommand? _extractVideoCommand;
 
-    public DelegateCommand ExtractVideoCommand => extractVideoCommand ??
-                                                  (extractVideoCommand =
-                                                      new DelegateCommand(ExecuteExtractVideoCommand));
+    public DelegateCommand ExtractVideoCommand => _extractVideoCommand ??= new DelegateCommand(ExecuteExtractVideoCommand);
 
     /// <summary>
     /// 提取视频事件
     /// </summary>
     private async void ExecuteExtractVideoCommand()
     {
-        if (isExtracting)
+        if (_isExtracting)
         {
             EventAggregator.GetEvent<MessageEvent>().Publish(DictionaryResource.GetString("TipWaitTaskFinished"));
             return;
@@ -151,27 +145,23 @@ public class ViewExtractMediaViewModel : ViewModelBase
 
         await Task.Run(() =>
         {
-            isExtracting = true;
+            _isExtracting = true;
             foreach (var item in VideoPaths)
             {
                 // 视频文件名
-                string videoFileName = item.Remove(item.Length - 4, 4) + "_onlyVideo.mp4";
+                var videoFileName = item.Remove(item.Length - 4, 4) + "_onlyVideo.mp4";
                 // 执行提取视频程序
-                FFMpeg.Instance.ExtractVideo(item, videoFileName, new Action<string>((output) =>
-                {
-                    Status += output + "\n";
-                }));
+                FFMpeg.Instance.ExtractVideo(item, videoFileName, new Action<string>((output) => { Status += output + "\n"; }));
             }
 
-            isExtracting = false;
+            _isExtracting = false;
         });
     }
 
     // Status改变事件
-    private DelegateCommand<object> statusCommand;
+    private DelegateCommand<object>? _statusCommand;
 
-    public DelegateCommand<object> StatusCommand =>
-        statusCommand ?? (statusCommand = new DelegateCommand<object>(ExecuteStatusCommand));
+    public DelegateCommand<object> StatusCommand => _statusCommand ??= new DelegateCommand<object>(ExecuteStatusCommand);
 
     /// <summary>
     /// Status改变事件
@@ -179,13 +169,13 @@ public class ViewExtractMediaViewModel : ViewModelBase
     /// <param name="parameter"></param>
     private void ExecuteStatusCommand(object parameter)
     {
-        if (!(parameter is TextBox output))
+        if (parameter is not TextChangedEventArgs output)
         {
             return;
         }
 
         // TextBox滚动到底部
-        // output.ScrollToEnd();
+        ((TextBox?)output.Source)?.GetVisualDescendants().OfType<ScrollViewer>().FirstOrDefault()?.ScrollToEnd();
     }
 
     #endregion
diff --git a/DownKyi/Views/Toolbox/ViewBiliHelper.axaml b/DownKyi/Views/Toolbox/ViewBiliHelper.axaml
index dfd8ad0..8c2daf9 100644
--- a/DownKyi/Views/Toolbox/ViewBiliHelper.axaml
+++ b/DownKyi/Views/Toolbox/ViewBiliHelper.axaml
@@ -98,7 +98,7 @@
                             Height="25"
                             Margin="10"
                             VerticalContentAlignment="Center"
-                            Text="{Binding DanmakuUserID, Mode=TwoWay}" />
+                            Text="{Binding DanmakuUserId, Mode=TwoWay}" />
                     </StackPanel>
 
                     <Button
@@ -120,21 +120,19 @@
                             FontSize="12"
                             IsReadOnly="True"
                             Text="{Binding UserMid, Mode=TwoWay}">
-                            <!--<TextBox.Style>
-                                <Style TargetType="{x:Type TextBox}">
+                            <i:Interaction.Behaviors>
+                                <ia:EventTriggerBehavior EventName="PointerReleased">
+                                    <ia:InvokeCommandAction Command="{Binding VisitUserSpaceCommand}" />
+                                </ia:EventTriggerBehavior>
+                            </i:Interaction.Behaviors>
+                            <TextBox.Styles>
+                                <Style Selector="TextBox">
                                     <Setter Property="Foreground" Value="{DynamicResource BrushTextDark}" />
-                                    <Style.Triggers>
-                                        <Trigger Property="IsMouseOver" Value="True">
-                                            <Setter Property="Foreground" Value="{DynamicResource BrushPrimary}" />
-                                        </Trigger>
-                                    </Style.Triggers>
+                                    <Style Selector="^:pointerover">
+                                        <Setter Property="Foreground" Value="{DynamicResource BrushPrimary}" />
+                                    </Style>
                                 </Style>
-                            </TextBox.Style>-->
-                            <!--<i:Interaction.Triggers>
-                                <i:EventTrigger EventName="PreviewMouseLeftButtonUp">
-                                    <i:InvokeCommandAction Command="{Binding VisitUserSpaceCommand}" />
-                                </i:EventTrigger>
-                            </i:Interaction.Triggers>-->
+                            </TextBox.Styles>
                         </TextBox>
                     </StackPanel>
 
diff --git a/DownKyi/Views/Toolbox/ViewDelogo.axaml b/DownKyi/Views/Toolbox/ViewDelogo.axaml
index 1c17c24..98e5dd3 100644
--- a/DownKyi/Views/Toolbox/ViewDelogo.axaml
+++ b/DownKyi/Views/Toolbox/ViewDelogo.axaml
@@ -115,7 +115,7 @@
                     <i:Interaction.Behaviors>
                         <ia:EventTriggerBehavior EventName="TextChanged">
                             <ia:InvokeCommandAction Command="{Binding StatusCommand}"
-                                                    CommandParameter="{Binding ElementName=NameStatus}" />
+                                                    PassEventArgsToCommand="True" />
                         </ia:EventTriggerBehavior>
                     </i:Interaction.Behaviors>
                 </TextBox>
diff --git a/DownKyi/Views/Toolbox/ViewExtractMedia.axaml b/DownKyi/Views/Toolbox/ViewExtractMedia.axaml
index d32c0dc..4c89395 100644
--- a/DownKyi/Views/Toolbox/ViewExtractMedia.axaml
+++ b/DownKyi/Views/Toolbox/ViewExtractMedia.axaml
@@ -1,8 +1,6 @@
 <UserControl xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              x:Class="DownKyi.Views.Toolbox.ViewExtractMedia"
-             xmlns:prism="http://prismlibrary.com/"
-             prism:ViewModelLocator.AutoWireViewModel="True"
              xmlns:i="using:Avalonia.Xaml.Interactivity"
              xmlns:ia="clr-namespace:Avalonia.Xaml.Interactions.Core;assembly=Avalonia.Xaml.Interactions"
              xmlns:vm="clr-namespace:DownKyi.ViewModels.Toolbox"
@@ -38,11 +36,7 @@
                         Content="{DynamicResource SelectVideo}"
                         Theme="{StaticResource BtnBorderStyle}" />
                 </StackPanel>
-                <Grid Margin="0,20,0,0">
-                    <Grid.ColumnDefinitions>
-                        <ColumnDefinition Width="200" />
-                        <ColumnDefinition Width="200" />
-                    </Grid.ColumnDefinitions>
+                <Grid Margin="0,20,0,0" ColumnDefinitions="200,200">
 
                     <Button
                         Grid.Column="0"
@@ -66,17 +60,13 @@
                 Grid.Row="1"
                 Margin="0,20"
                 HorizontalAlignment="Stretch"
-                VerticalAlignment="Stretch">
-                <Grid.RowDefinitions>
-                    <RowDefinition Height="20" />
-                    <RowDefinition />
-                </Grid.RowDefinitions>
+                VerticalAlignment="Stretch" RowDefinitions="20,*">
                 <TextBlock
                     Grid.Row="0"
                     VerticalAlignment="Bottom"
                     Text="{DynamicResource OutputInfo}" />
                 <TextBox
-                    Name="nameStatus"
+                    Name="NameStatus"
                     Grid.Row="1"
                     Background="Black"
                     Foreground="White"
@@ -86,8 +76,9 @@
                     ScrollViewer.VerticalScrollBarVisibility="Visible">
                     <i:Interaction.Behaviors>
                         <ia:EventTriggerBehavior EventName="TextChanged">
-                            <ia:InvokeCommandAction Command="{Binding StatusCommand}"
-                                                    CommandParameter="{Binding ElementName=nameStatus}" />
+                            <ia:InvokeCommandAction
+                                Command="{Binding StatusCommand}"
+                                PassEventArgsToCommand="True" />
                         </ia:EventTriggerBehavior>
                     </i:Interaction.Behaviors>
                 </TextBox>