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POc# InvalidEnumArgumentException: The value of argument 'direction' (3) is invalid for Enum type 'FocusNavigationDirection'
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  1. POc# InvalidEnumArgumentException: The value of argument 'direction' (3) is invalid for Enum type 'FocusNavigationDirection'
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    copied!<p>I have a WPF-C# application with a ribbon menu and several text box into the main panel. when i focus one of them and press the left arrow, i get the following error. when i press on any other arrow it works well. i tried to breakpoint on a previewKeyDoyn of a specific textbox method but the Exception is thrown before i can ran into it.</p> <p>All other textbox in my application work well when i press the left arrow.</p> <pre><code>System.ComponentModel.InvalidEnumArgumentException: La valeur de l'argument 'direction' (3) n'est pas valide pour le type Enum 'FocusNavigationDirection'. Nom du paramètre : direction à System.Windows.Input.KeyboardNavigation.IsInDirection(Rect fromRect, Rect toRect, FocusNavigationDirection direction) à System.Windows.Input.KeyboardNavigation.FindNextInDirection(DependencyObject sourceElement, Rect sourceRect, DependencyObject container, FocusNavigationDirection direction, Double startRange, Double endRange) à System.Windows.Input.KeyboardNavigation.MoveNext(DependencyObject sourceElement, DependencyObject container, FocusNavigationDirection direction, Double startRange, Double endRange) à System.Windows.Input.KeyboardNavigation.GetNextInDirection(DependencyObject sourceElement, FocusNavigationDirection direction) à System.Windows.Input.KeyboardNavigation.PredictFocusedElement(DependencyObject sourceElement, FocusNavigationDirection direction) à System.Windows.FrameworkElement.PredictFocus(FocusNavigationDirection direction) à Microsoft.Windows.Controls.Ribbon.RibbonHelper.PredictFocus(DependencyObject element, FocusNavigationDirection direction) dans e:\dd\WPFOOB\src\wpfoob\Ribbon\RibbonControlsLibrary\Microsoft\Windows\Controls\Ribbon\RibbonHelper.cs:ligne 488 à Microsoft.Windows.Controls.Ribbon.RibbonApplicationMenu.OnPreviewKeyDown(KeyEventArgs e) dans e:\dd\WPFOOB\src\wpfoob\Ribbon\RibbonControlsLibrary\Microsoft\Windows\Controls\Ribbon\RibbonApplicationMenu.cs:ligne 520 à System.Windows.UIElement.OnPreviewKeyDownThunk(Object sender, KeyEventArgs e) à System.Windows.Input.KeyEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget) à System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target) à System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs) à System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised) à System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args) à System.Windows.UIElement.RaiseTrustedEvent(RoutedEventArgs args) à System.Windows.UIElement.RaiseEvent(RoutedEventArgs args, Boolean trusted) à System.Windows.Input.InputManager.ProcessStagingArea() à System.Windows.Input.InputManager.ProcessInput(InputEventArgs input) à System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport) à System.Windows.Interop.HwndKeyboardInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawKeyboardActions actions, Int32 scanCode, Boolean isExtendedKey, Boolean isSystemKey, Int32 virtualKey) à System.Windows.Interop.HwndKeyboardInputProvider.ProcessKeyAction(MSG&amp; msg, Boolean&amp; handled) à System.Windows.Interop.HwndSource.CriticalTranslateAccelerator(MSG&amp; msg, ModifierKeys modifiers) à System.Windows.Interop.HwndSource.OnPreprocessMessage(Object param) à System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs) à MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler) </code></pre>
 

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