First of all, sorry for my bad english. I post here because I know some people have very relevant answers.
I've been working on a WPF application for several months without any problem. Since this morning, everytime I try to click, update or resize an element in the designer, an exception occurs and I must reload the designer every 10s.
This is kind of annoying and I really can't figure out how to resolve this.
Here is the error :
System.ArgumentNullException
La valeur ne peut pas être null.
à System.RuntimeType.MakeGenericType(Type[] instantiation)
à Microsoft.VisualStudio.Shell.Design.VsTargetFrameworkUtil.GetRuntimeType(Type type)
à Microsoft.VisualStudio.Shell.Design.VsTargetFrameworkType.TryGetRuntimeType()
à Microsoft.VisualStudio.Shell.Design.VsTargetFrameworkUtil.EnsureRuntimeType(Type type)
à Microsoft.VisualStudio.Shell.Design.VsTargetFrameworkProvider.GetRuntimeType(Type reflectionType)
à MS.Internal.Package.VSIsolationProviderService.RemoteReferenceProxy.VsReflectionResolver.GetRuntimeType(Type reflectionType)
à Microsoft.Windows.Design.Metadata.ReflectionMetadataContext.CachingReflectionResolver.GetRuntimeType(Type reflectionType)
à Microsoft.Windows.Design.Metadata.ReflectionMetadataContext.Microsoft.Windows.Design.Metadata.IReflectionResolver.GetRuntimeType(Type reflectionType)
à MS.Internal.Metadata.ClrType.get_RuntimeMember()
à MS.Internal.Metadata.ClrMember`1.Microsoft.Windows.Design.Metadata.Reflection.IReflectionMember.get_MemberInfo()
à MS.Internal.Metadata.ClrType.Equals(Object obj)
à System.Collections.Generic.ObjectEqualityComparer`1.Equals(T x, T y)
à System.Collections.Generic.Dictionary`2.FindEntry(TKey key)
à System.Collections.Generic.Dictionary`2.ContainsKey(TKey key)
à Microsoft.Windows.Design.Metadata.Xaml.XamlExtensionImplementations.<>c__DisplayClass5.<FindAttachableProperties>b__4(ITypeMetadata walkType)
à MS.Internal.Design.Metadata.Xaml.XamlType.<GetAllAttachableProperties>d__7.MoveNext()
à MS.Internal.Design.Metadata.Xaml.XamlType.<FindAttachableProperties>d__0.MoveNext()
à Microsoft.Windows.Design.Metadata.Xaml.XamlExtensionImplementations.<FindAttachableProperties>d__7.MoveNext()
à MS.Internal.VirtualModel.VirtualModelPropertyCollection.<GetUncachedProperties>d__0.MoveNext()
à System.Linq.Buffer`1..ctor(IEnumerable`1 source)
à System.Linq.Enumerable.ToArray[TSource](IEnumerable`1 source)
à MS.Internal.VirtualModel.VirtualModelPropertyCollection.GetEnumerator()
à MS.Internal.VirtualModel.VirtualModelUtilities.WrapProperties(IVirtualModelItem item)
à MS.Internal.VirtualModel.VirtualModelItem.System.ComponentModel.ICustomTypeDescriptor.GetProperties()
à System.ComponentModel.TypeDescriptor.MergedTypeDescriptor.System.ComponentModel.ICustomTypeDescriptor.GetProperties()
à System.ComponentModel.TypeDescriptor.GetPropertiesImpl(Object component, Attribute[] attributes, Boolean noCustomTypeDesc, Boolean noAttributes)
à System.Windows.PropertyPath.ResolvePropertyName(String name, Object item, Type ownerType, Object context, Boolean throwOnError)
à MS.Internal.Data.PropertyPathWorker.GetInfo(Int32 k, Object item, SourceValueState& svs)
à MS.Internal.Data.PropertyPathWorker.ReplaceItem(Int32 k, Object newO, Object parent)
à MS.Internal.Data.PropertyPathWorker.UpdateSourceValueState(Int32 k, ICollectionView collectionView, Object newValue, Boolean isASubPropertyChange)
à MS.Internal.Data.ClrBindingWorker.AttachDataItem()
à System.Windows.Data.BindingExpression.Activate(Object item)
à System.Windows.Data.BindingExpression.AttachToContext(AttachAttempt attempt)
à System.Windows.Data.BindingExpression.AttachOverride(DependencyObject target, DependencyProperty dp)
à System.Windows.Data.BindingExpressionBase.OnAttach(DependencyObject d, DependencyProperty dp)
à System.Windows.DependencyObject.SetValueCommon(DependencyProperty dp, Object value, PropertyMetadata metadata, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType, Boolean isInternal)
à System.Windows.DependencyObject.SetValue(DependencyProperty dp, Object value)
à System.Windows.Data.BindingOperations.SetBinding(DependencyObject target, DependencyProperty dp, BindingBase binding)
à System.Windows.FrameworkElement.SetBinding(DependencyProperty dp, BindingBase binding)
à MS.Internal.GridControl.GridChildMarginAdorner.SetDragBinding(ModelItem source, Boolean dragging)
à MS.Internal.GridControl.GridChildMarginAdornerProvider.ChildMarginAdornerPanel.CalcLayout(Boolean measure)
à MS.Internal.GridControl.GridChildMarginAdornerProvider.ChildMarginAdornerPanel.MeasureOverride(Size availableSize)
à System.Windows.FrameworkElement.MeasureCore(Size availableSize)
à System.Windows.UIElement.Measure(Size availableSize)
à MS.Internal.Interaction.BaseAdornerLayout.Measure(UIElement adorner, Size constraint)
à MS.Internal.Interaction.AdornerLayer.MeasureOverride(Size constraint)
à System.Windows.FrameworkElement.MeasureCore(Size availableSize)
à System.Windows.UIElement.Measure(Size availableSize)
à System.Windows.ContextLayoutManager.UpdateLayout()
à System.Windows.ContextLayoutManager.UpdateLayoutCallback(Object arg)
à System.Windows.Media.MediaContext.InvokeOnRenderCallback.DoWork()
à System.Windows.Media.MediaContext.FireInvokeOnRenderCallbacks()
à System.Windows.Media.MediaContext.RenderMessageHandlerCore(Object resizedCompositionTarget)
à System.Windows.Media.MediaContext.RenderMessageHandler(Object resizedCompositionTarget)
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)
Thank you for your help.
I eventually solved my problem by uninstalling and reunstalling .NET 4.0, Visual Studio and Telerik. Seems like Telerik references are hard to manage.
Thank you for your answers !