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POStack overflow when opening menu with ApplicationCommands in C#
 

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  1. POStack overflow when opening menu with ApplicationCommands in C#
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    <p>When I add an ApplicationCommands command to a MenuItem in my file menu, no matter via XAML or via code, when I open the menu the application crashes in a stack overflow, with absolutely no details about the problem. When I remove the Command, the problem also disappears. It doesn't matter which ApplicationCommand I use.</p> <p>Part of the call stack:</p> <ul> <li>WindowsBase.dll!MS.Utility.ArrayItemList.ArrayItemList(int size) + 0x20 bytes </li> <li>WindowsBase.dll!MS.Utility.FrugalStructList.Capacity.set(int value) + 0x6a bytes </li> <li>WindowsBase.dll!MS.Utility.FrugalStructList.FrugalStructList(int size) + 0x9 bytes </li> <li>PresentationCore.dll!System.Windows.EventRoute.EventRoute(System.Windows.RoutedEvent routedEvent) + 0x35 bytes </li> <li>PresentationCore.dll!System.Windows.EventRouteFactory.FetchObject(System.Windows.RoutedEvent routedEvent) + 0x31 bytes </li> <li>PresentationCore.dll!System.Windows.UIElement.RaiseEventImpl(System.Windows.DependencyObject sender = {System.Windows.Controls.RichTextBox}, System.Windows.RoutedEventArgs args = {System.Windows.Input.CanExecuteRoutedEventArgs}) + 0x3f bytes</li> <li>PresentationCore.dll!System.Windows.UIElement.RaiseEvent(System.Windows.RoutedEventArgs args = {System.Windows.Input.CanExecuteRoutedEventArgs}, bool trusted) + 0x35 bytes </li> <li>PresentationCore.dll!System.Windows.Input.RoutedCommand.CriticalCanExecuteWrapper(object parameter, System.Windows.IInputElement target, bool trusted, System.Windows.Input.CanExecuteRoutedEventArgs args) + 0x80 bytes<br> PresentationCore.dll!System.Windows.Input.RoutedCommand.CanExecuteImpl(object parameter = null, System.Windows.IInputElement target = {System.Windows.Controls.RichTextBox}, bool trusted = false, out bool continueRouting = false) + 0x70 bytes </li> <li>PresentationCore.dll!System.Windows.Input.RoutedCommand.CriticalCanExecute(object parameter, System.Windows.IInputElement target, bool trusted, out bool continueRouting) + 0x3a bytes</li> <li>PresentationCore.dll!System.Windows.Input.CommandManager.TransferEvent(System.Windows.IInputElement newSource, System.Windows.Input.CanExecuteRoutedEventArgs e = {System.Windows.Input.CanExecuteRoutedEventArgs}) + 0x52 bytes</li> <li>PresentationCore.dll!System.Windows.Input.CommandManager.OnCanExecute(object sender, System.Windows.Input.CanExecuteRoutedEventArgs e) + 0x8c bytes<br> PresentationCore.dll!System.Windows.UIElement.OnCanExecuteThunk(object sender, System.Windows.Input.CanExecuteRoutedEventArgs e) + 0x44 bytes</li> <li>PresentationCore.dll!System.Windows.Input.CanExecuteRoutedEventArgs.InvokeEventHandler(System.Delegate genericHandler, object target) + 0x41 bytes<br> PresentationCore.dll!System.Windows.RoutedEventArgs.InvokeHandler(System.Delegate handler, object target) + 0x27 bytes PresentationCore.dll!System.Windows.RoutedEventHandlerInfo.InvokeHandler(object target, System.Windows.RoutedEventArgs routedEventArgs) + 0x3e bytes<br> PresentationCore.dll!System.Windows.EventRoute.InvokeHandlersImpl(object source = {System.Windows.Controls.RichTextBox}, System.Windows.RoutedEventArgs args = {System.Windows.Input.CanExecuteRoutedEventArgs}, bool reRaised = false) + 0x1bf bytes</li> <li>PresentationCore.dll!System.Windows.UIElement.RaiseEventImpl(System.Windows.DependencyObject sender = {System.Windows.Controls.RichTextBox}, System.Windows.RoutedEventArgs args = + 0x79 bytes</li> <li>PresentationCore.dll!System.Windows.UIElement.RaiseEvent(System.Windows.RoutedEventArgs args = {System.Windows.Input.CanExecuteRoutedEventArgs}, bool trusted) + 0x35 bytes</li> <li>PresentationCore.dll!System.Windows.Input.RoutedCommand.CriticalCanExecuteWrapper(object parameter, System.Windows.IInputElement target, bool trusted, System.Windows.Input.CanExecuteRoutedEventArgs args) + 0x80 bytes</li> </ul> <p>It looks like the application is stuck in an endless loop. Is this my fault (and what am I doing wrong) or a bug in .NET 3.5?</p> <p>I use this code:</p> <pre><code>MenuItem mi = new MenuItem(); mi.Command = ApplicationCommands.Open; FileMenu.Items.Add(mi); </code></pre> <p>It doesn't matter wheter I create the menuItem via code or in XAML, and like I said setting the Command also doesn't matter where. The problem also occurs when using MediaCommands, so I guess for all Commands in general.</p> <p>The RichTextBox code:</p> <pre><code>//configure richtextbox sb = new RichTextBox(); sb.Margin = new Thickness(-3); sb.BorderThickness = new Thickness(0); sb.HorizontalScrollBarVisibility = ScrollBarVisibility.Auto; sb.VerticalScrollBarVisibility = ScrollBarVisibility.Auto; ///TODO: get font from preferences. FontFamilyConverter ffc = new FontFamilyConverter(); sb.FontFamily = (FontFamily)ffc.ConvertFromString("Lucida Sans Unicode"); sb.FontSize = 13; sb.AcceptsReturn = true; sb.AcceptsTab = true; sb.AllowDrop = true; sb.IsDocumentEnabled = false; sb.Padding = new Thickness(5); //markup styles Style s = new Style(typeof(Paragraph)); s.Setters.Add(new Setter(Paragraph.MarginProperty, new Thickness(0))); sb.Resources.Add(typeof(Paragraph), s); this.AddChild(sb); </code></pre> <p>The RichTextBox is added in the constructor of a control that is derived from TabItem.</p>
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    1. USdemoncodemonkey
    1. USRuud
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    1. COWhere is this code located? What method is it in?
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      1. POStack overflow when opening menu with ApplicationCommands in C#
      1. USYohnny
    2. COThe code is in the constructor of the window. It doesn't matter whether I set the Command before the MenuItem is added to the Menu or after, I tried both.
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      1. POStack overflow when opening menu with ApplicationCommands in C#
      1. USRuud
    3. COFor me it's strange to see System.Windows.Controls.RichTextBox as sender in that stack trace.
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      1. POStack overflow when opening menu with ApplicationCommands in C#
      1. USJuozas Kontvainis
 

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