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Unhandled Exception beim ListLabelViewerControl

Hallo,
wir bekommen in einem Kundenprojekt eine Exception vom ListLabelViewerControl. Die Anwendung läuft auf einem Terminalserver. Wenn die Anwendung hier gestartet ist und die Verbindung wird getrennt, erhält man bei erneutem Verbindungsaufbau folgende Exception:

Blockquote
Application: SFM_DashboardApp.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.NullReferenceException
at combit.ListLabel24.Wpf.IntToThumbnailConverter.Convert(System.Object[], System.Type, System.Object, System.Globalization.CultureInfo)
at System.Windows.Data.MultiBindingExpression.TransferValue()
at System.Windows.Data.MultiBindingExpression.Transfer()
at System.Windows.Data.MultiBindingExpression.HandlePropertyInvalidation(System.Windows.DependencyObject, System.Windows.DependencyPropertyChangedEventArgs)
at System.Windows.Data.BindingExpressionBase.OnPropertyInvalidation(System.Windows.DependencyObject, System.Windows.DependencyPropertyChangedEventArgs)
at System.Windows.DependentList.InvalidateDependents(System.Windows.DependencyObject, System.Windows.DependencyPropertyChangedEventArgs)
at System.Windows.DependencyObject.NotifyPropertyChange(System.Windows.DependencyPropertyChangedEventArgs)
at System.Windows.DependencyObject.UpdateEffectiveValue(System.Windows.EntryIndex, System.Windows.DependencyProperty, System.Windows.PropertyMetadata, System.Windows.EffectiveValueEntry, System.Windows.EffectiveValueEntry ByRef, Boolean, Boolean, System.Windows.OperationType)
at System.Windows.TreeWalkHelper.OnInheritablePropertyChanged(System.Windows.DependencyObject, System.Windows.InheritablePropertyChangeInfo, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.InheritablePropertyChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]._VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.InheritablePropertyChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.FrameworkElement, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.InheritablePropertyChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.InheritablePropertyChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkLogicalChildren(System.Windows.FrameworkElement, System.Windows.FrameworkContentElement, System.Collections.IEnumerator)
at System.Windows.DescendentsWalker1[[System.Windows.InheritablePropertyChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkFrameworkElementLogicalThenVisualChildren(System.Windows.FrameworkElement, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.InheritablePropertyChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].IterateChildren(System.Windows.DependencyObject)
at System.Windows.DescendentsWalker1[[System.Windows.InheritablePropertyChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]._VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.InheritablePropertyChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.FrameworkElement, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.InheritablePropertyChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.InheritablePropertyChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkFrameworkElementLogicalThenVisualChildren(System.Windows.FrameworkElement, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.InheritablePropertyChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].IterateChildren(System.Windows.DependencyObject) at System.Windows.DescendentsWalker1[[System.Windows.InheritablePropertyChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].StartWalk(System.Windows.DependencyObject, Boolean)
at System.Windows.FrameworkElement.OnPropertyChanged(System.Windows.DependencyPropertyChangedEventArgs)
at System.Windows.DependencyObject.NotifyPropertyChange(System.Windows.DependencyPropertyChangedEventArgs)
at System.Windows.DependencyObject.UpdateEffectiveValue(System.Windows.EntryIndex, System.Windows.DependencyProperty, System.Windows.PropertyMetadata, System.Windows.EffectiveValueEntry, System.Windows.EffectiveValueEntry ByRef, Boolean, Boolean, System.Windows.OperationType)
at System.Windows.DependencyObject.SetValueCommon(System.Windows.DependencyProperty, System.Object, System.Windows.PropertyMetadata, Boolean, Boolean, System.Windows.OperationType, Boolean)
at System.Windows.Controls.ContentPresenter.OnContentChanged(System.Windows.DependencyObject, System.Windows.DependencyPropertyChangedEventArgs)
at System.Windows.DependencyObject.OnPropertyChanged(System.Windows.DependencyPropertyChangedEventArgs)
at System.Windows.FrameworkElement.OnPropertyChanged(System.Windows.DependencyPropertyChangedEventArgs)
at System.Windows.DependencyObject.NotifyPropertyChange(System.Windows.DependencyPropertyChangedEventArgs)
at System.Windows.DependencyObject.UpdateEffectiveValue(System.Windows.EntryIndex, System.Windows.DependencyProperty, System.Windows.PropertyMetadata, System.Windows.EffectiveValueEntry, System.Windows.EffectiveValueEntry ByRef, Boolean, Boolean, System.Windows.OperationType)
at System.Windows.DependencyObject.InvalidateProperty(System.Windows.DependencyProperty, Boolean)
at System.Windows.StyleHelper.InvalidatePropertiesOnTemplateNode(System.Windows.DependencyObject, MS.Internal.FrameworkObject, Int32, MS.Utility.FrugalStructList1<System.Windows.ChildRecord> ByRef, Boolean, System.Windows.FrameworkElementFactory) at System.Windows.StyleHelper.ClearTemplateChain(System.Collections.Specialized.HybridDictionary[], System.Windows.FrameworkElement, System.Windows.FrameworkContentElement, System.Collections.Generic.List1<System.Windows.DependencyObject>, System.Windows.FrameworkTemplate)
at System.Windows.StyleHelper.ClearGeneratedSubTree(System.Collections.Specialized.HybridDictionary[], System.Windows.FrameworkElement, System.Windows.FrameworkContentElement, System.Windows.FrameworkTemplate)
at System.Windows.StyleHelper.DoTemplateInvalidations(System.Windows.FrameworkElement, System.Windows.FrameworkTemplate)
at System.Windows.StyleHelper.UpdateTemplateCache(System.Windows.FrameworkElement, System.Windows.FrameworkTemplate, System.Windows.FrameworkTemplate, System.Windows.DependencyProperty)
at System.Windows.Controls.Control.OnTemplateChanged(System.Windows.DependencyObject, System.Windows.DependencyPropertyChangedEventArgs)
at System.Windows.DependencyObject.OnPropertyChanged(System.Windows.DependencyPropertyChangedEventArgs)
at System.Windows.FrameworkElement.OnPropertyChanged(System.Windows.DependencyPropertyChangedEventArgs)
at System.Windows.DependencyObject.NotifyPropertyChange(System.Windows.DependencyPropertyChangedEventArgs)
at System.Windows.DependencyObject.UpdateEffectiveValue(System.Windows.EntryIndex, System.Windows.DependencyProperty, System.Windows.PropertyMetadata, System.Windows.EffectiveValueEntry, System.Windows.EffectiveValueEntry ByRef, Boolean, Boolean, System.Windows.OperationType)
at System.Windows.DependencyObject.InvalidateProperty(System.Windows.DependencyProperty, Boolean)
at System.Windows.StyleHelper.InvalidateContainerDependents(System.Windows.DependencyObject, MS.Utility.FrugalStructList1<System.Windows.ContainerDependent> ByRef, MS.Utility.FrugalStructList1<System.Windows.ContainerDependent> ByRef, MS.Utility.FrugalStructList1<System.Windows.ContainerDependent> ByRef) at System.Windows.StyleHelper.DoThemeStyleInvalidations(System.Windows.FrameworkElement, System.Windows.FrameworkContentElement, System.Windows.Style, System.Windows.Style, System.Windows.Style) at System.Windows.StyleHelper.UpdateThemeStyleCache(System.Windows.FrameworkElement, System.Windows.FrameworkContentElement, System.Windows.Style, System.Windows.Style, System.Windows.Style ByRef) at System.Windows.FrameworkElement.OnThemeStyleChanged(System.Windows.DependencyObject, System.Object, System.Object) at System.Windows.StyleHelper.GetThemeStyle(System.Windows.FrameworkElement, System.Windows.FrameworkContentElement) at System.Windows.FrameworkElement.UpdateThemeStyleProperty() at System.Windows.TreeWalkHelper.OnResourcesChanged(System.Windows.DependencyObject, System.Windows.ResourcesChangeInfo, Boolean) at System.Windows.TreeWalkHelper.OnResourcesChangedCallback(System.Windows.DependencyObject, System.Windows.ResourcesChangeInfo, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]._VisitNode(System.Windows.DependencyObject, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.FrameworkElement, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.DependencyObject, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkFrameworkElementLogicalThenVisualChildren(System.Windows.FrameworkElement, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].IterateChildren(System.Windows.DependencyObject)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]._VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.FrameworkElement, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkFrameworkElementLogicalThenVisualChildren(System.Windows.FrameworkElement, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].IterateChildren(System.Windows.DependencyObject) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]._VisitNode(System.Windows.DependencyObject, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.FrameworkElement, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.DependencyObject, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkLogicalChildren(System.Windows.FrameworkElement, System.Windows.FrameworkContentElement, System.Collections.IEnumerator) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkFrameworkElementLogicalThenVisualChildren(System.Windows.FrameworkElement, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].IterateChildren(System.Windows.DependencyObject) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]._VisitNode(System.Windows.DependencyObject, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.FrameworkElement, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.DependencyObject, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkLogicalChildren(System.Windows.FrameworkElement, System.Windows.FrameworkContentElement, System.Collections.IEnumerator) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkFrameworkElementLogicalThenVisualChildren(System.Windows.FrameworkElement, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].IterateChildren(System.Windows.DependencyObject) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]._VisitNode(System.Windows.DependencyObject, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.FrameworkElement, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.DependencyObject, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkFrameworkElementLogicalThenVisualChildren(System.Windows.FrameworkElement, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].IterateChildren(System.Windows.DependencyObject)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]._VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.FrameworkElement, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkLogicalChildren(System.Windows.FrameworkElement, System.Windows.FrameworkContentElement, System.Collections.IEnumerator)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkFrameworkElementLogicalThenVisualChildren(System.Windows.FrameworkElement, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].IterateChildren(System.Windows.DependencyObject)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]._VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.FrameworkElement, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkLogicalChildren(System.Windows.FrameworkElement, System.Windows.FrameworkContentElement, System.Collections.IEnumerator)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkFrameworkElementLogicalThenVisualChildren(System.Windows.FrameworkElement, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].IterateChildren(System.Windows.DependencyObject)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]._VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.FrameworkElement, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkLogicalChildren(System.Windows.FrameworkElement, System.Windows.FrameworkContentElement, System.Collections.IEnumerator)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkFrameworkElementLogicalThenVisualChildren(System.Windows.FrameworkElement, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].IterateChildren(System.Windows.DependencyObject)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]._VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.FrameworkElement, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkLogicalChildren(System.Windows.FrameworkElement, System.Windows.FrameworkContentElement, System.Collections.IEnumerator)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkFrameworkElementLogicalThenVisualChildren(System.Windows.FrameworkElement, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].IterateChildren(System.Windows.DependencyObject)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]._VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.FrameworkElement, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkLogicalChildren(System.Windows.FrameworkElement, System.Windows.FrameworkContentElement, System.Collections.IEnumerator)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkFrameworkElementLogicalThenVisualChildren(System.Windows.FrameworkElement, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].IterateChildren(System.Windows.DependencyObject)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]._VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.FrameworkElement, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkLogicalChildren(System.Windows.FrameworkElement, System.Windows.FrameworkContentElement, System.Collections.IEnumerator)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkFrameworkElementLogicalThenVisualChildren(System.Windows.FrameworkElement, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].IterateChildren(System.Windows.DependencyObject)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]._VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.FrameworkElement, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkLogicalChildren(System.Windows.FrameworkElement, System.Windows.FrameworkContentElement, System.Collections.IEnumerator)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkFrameworkElementLogicalThenVisualChildren(System.Windows.FrameworkElement, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].IterateChildren(System.Windows.DependencyObject)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]._VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.FrameworkElement, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkLogicalChildren(System.Windows.FrameworkElement, System.Windows.FrameworkContentElement, System.Collections.IEnumerator)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkFrameworkElementLogicalThenVisualChildren(System.Windows.FrameworkElement, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].IterateChildren(System.Windows.DependencyObject)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]._VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.FrameworkElement, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkLogicalChildren(System.Windows.FrameworkElement, System.Windows.FrameworkContentElement, System.Collections.IEnumerator)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkFrameworkElementLogicalThenVisualChildren(System.Windows.FrameworkElement, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].IterateChildren(System.Windows.DependencyObject)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]._VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.FrameworkElement, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkLogicalChildren(System.Windows.FrameworkElement, System.Windows.FrameworkContentElement, System.Collections.IEnumerator)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkFrameworkElementLogicalThenVisualChildren(System.Windows.FrameworkElement, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].IterateChildren(System.Windows.DependencyObject)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]._VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.FrameworkElement, Boolean)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkLogicalChildren(System.Windows.FrameworkElement, System.Windows.FrameworkContentElement, System.Collections.IEnumerator)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].WalkFrameworkElementLogicalThenVisualChildren(System.Windows.FrameworkElement, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].IterateChildren(System.Windows.DependencyObject)
at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]._VisitNode(System.Windows.DependencyObject, Boolean) at System.Windows.DescendentsWalker1[[System.Windows.ResourcesChangeInfo, PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]].VisitNode(System.Windows.FrameworkElement, Boolean)

The remainder of the message was truncated.

Hat diesen Fall jemand schon mal gehabt? Was können wir hier machen?!

Gruß

Wir prüfen gerade, ob wir dieses Problem reproduzieren können. Bitte haben Sie etwas Geduld.

Wir konnten das Verhalten nicht nachstellen. Könnten Sie uns bitte im Detail erklären, wie die Anwendung ausgeführt wird (als Remote-App?) und was genau bei dem Trennen der Verbindung passiert bzw. wie diese Verbindung getrennt wird?

Hallo.
Ich konnte das Verhalten auch mit einer Windows 10 VM (Hyper-V) per Remoteverbindung über den Hyper-V Manager nachstellen.

Es handelt sich um eine normale WPF Anwendung. Zum Test habe ich die Views soweit reduziert, dass nur noch das ListLabelViewerControl mit einer statischen Datei geladen wird.

Sobald ich nun die Verbindung trenne (Fenster der Remoteverbindung schließe) und wieder aufbaue, stürzt das Programm kommentarlos ab (lediglich der Stacktrace im Eventlog). Kommentiere ich die Zeile mit dem ViewControl aus, tritt dieses Verhalten nicht auf.

Gruß

Hallo Dennis,

auch mit dieser Vorgehensweise konnten wir das Verhalten nicht nachstellen.

Um die Ursache für den Absturz genauer untersuchen zu können, benötigen wir eine Dump-Datei. Mittels ProcDump könnten Sie versuchen sich an den Prozess SFM_DashboardApp.exe zu attachen, anschließend die Remote-Verbindung schließen (was dann zum Absturz führt und ProcDump das Dump schreiben lässt) und sich dann erneut verbinden.

ProcDump ist ein Kommandozeilen-Utility und kann wie folgt an den Prozess attached werden:

procdump.exe -accepteula -e -ma SFM_DashboardApp.exe %temp%\crash.dmp 

Die Dump-Datei können Sie uns über das Supportportal hochladen.