c# - 未处理的异常阻止我在Blend 2012中打开一个项目

我一直在关注MS网站上的教程并且到了这里：

http://msdn.microsoft.com/en-us/library/windows/apps/jj129435.aspx

当我切换回混合时，我遇到了一个巨大的错误，我不知道这意味着什么或如何继续：

发生了未处理的异常：

System.InvalidCastException 返回参数的类型无效。在Microsoft.Expression.DesignHost.Isolation.Remoting.STAMarshaler.WaitForCompletion（NestedCallContext nestedCallContext，BlockingCall call，WaitHandle timeoutSignal）在Microsoft.Expression.DesignHost.Isolation.Remoting.STAMarshaler.MarshalOutSynchronous（操作操作，Int32 targetApartmentId，WaitHandle中止，WaitHandle timeoutSignal）在Microsoft.Expression.DesignHost.Isolation.Remoting.STAMarshaler.MarshalOut（操作操作，Int32 targetApartmentId，WaitHandle中止，CallSynchronizationMode syncMode，WaitHandle timeoutSignal）在Microsoft.Expression.DesignHost.Isolation.Remoting.ThreadMarshaler.MarshalOut [TValue]（RemoteHandle 1 targetObject, Action action, CallSynchronizationMode syncMode) at Microsoft.Expression.DesignHost.Isolation.Remoting.ThreadMarshaler.MarshalOut[TValue](RemoteHandle 1 targetObject，Action 1 action, CallSynchronizationMode syncMode) at Microsoft.Expression.DesignHost.Isolation.Remoting.LocalDesignerService.Microsoft.Expression.DesignHost.IDesignerService.Initialize() at Microsoft.Expression.DesignHost.IsolatedDesignerService.CreateLease(IIsolationTarget isolationTarget, CancellationToken cancelToken, DesignerServiceEntry& entry) at Microsoft.Expression.DesignHost.IsolatedDesignerService.IsolatedDesignerView.CreateDesignerViewInfo(CancellationToken cancelToken) at Microsoft.Expression.DesignHost.Isolation.IsolatedTaskScheduler.InvokeWithCulture[T](CultureInfo culture, Func 2 func，CancellationToken cancelToken）在Microsoft.Expression.DesignHost.Isolation.IsolatedTaskScheduler。＆lt;＆gt; c__DisplayClassa 1.<StartTask>b__6() at System.Threading.Tasks.Task 1.InnerInvoke（）在System.Threading.Tasks.Task.Execute（）

System.InvalidCastException 返回参数的类型无效。

服务器堆栈跟踪：在Microsoft.Expression.DesignHost.Isolation.Remoting.STAMarshaler.WaitForCompletion（NestedCallContext nestedCallContext，BlockingCall call，WaitHandle timeoutSignal）在Microsoft.Expression.DesignHost.Isolation.Remoting.STAMarshaler.MarshalIn（Action action，Int32 targetApartmentId）在Microsoft.Expression.DesignHost.Isolation.Remoting.ThreadMarshaler.MarshalIn（IRemoteObject targetObject，Action action）在Microsoft.Expression.DesignHost.Isolation.Remoting.RemoteDesignerService.Microsoft.Expression.DesignHost.Isolation.Remoting.IRemoteDesignerService.Initialize（）在System.Runtime.Remoting.Messaging.StackBuilderSink._PrivateProcessMessage（IntPtr md，Object [] args，Object server，Object []＆amp; outArgs）在System.Runtime.Remoting.Messaging.StackBuilderSink.SyncProcessMessage（IMessage msg）

在[0]处重新抛出异常：在System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage（IMessage reqMsg，IMessage retMsg）在System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke（MessageData＆amp; msgData，Int32 type）在Microsoft.Expression.DesignHost.Isolation.Remoting.IRemoteDesignerService.Initialize（）在Microsoft.Expression.DesignHost.Isolation.Remoting.LocalDesignerService.b_ a（IRemoteDesignerService d）在Microsoft.Expression.DesignHost.Isolation.Remoting.ThreadMarshaler。＆lt;＆gt; c _DisplayClass1`1.b__0（）在Microsoft.Expression.DesignHost.Isolation.Remoting.STAMarshaler.Call.InvokeWorker（）

System.InvalidCastException 返回参数的类型无效。在Microsoft.Expression.DesignHost.Isolation.Remoting.STAMarshaler.WaitForCompletion（NestedCallContext nestedCallContext，BlockingCall call，WaitHandle timeoutSignal）在Microsoft.Expression.DesignHost.Isolation.Remoting.STAMarshaler.MarshalOutSynchronous（操作操作，Int32 targetApartmentId，WaitHandle中止，WaitHandle timeoutSignal）在Microsoft.Expression.DesignHost.Isolation.Remoting.STAMarshaler.MarshalOut（操作操作，Int32 targetApartmentId，WaitHandle中止，CallSynchronizationMode syncMode，WaitHandle timeoutSignal）在Microsoft.Expression.DesignHost.Isolation.Remoting.ThreadMarshaler.MarshalOut [TValue]（RemoteHandle 1 targetObject, Action action, CallSynchronizationMode syncMode) at Microsoft.Expression.DesignHost.Isolation.Remoting.ThreadMarshaler.MarshalOut[TResult,TValue](RemoteHandle 1 targetObject，Func`2 func，CallSynchronizationMode syncMode）在Microsoft.Expression.DesignHost.Isolation.Remoting.LocalHostProject.Microsoft.Expression.DesignHost.IHostProject.get_TargetAssemblyPath（）在Microsoft.Expression.DesignSurface.DesignerService.GetComponentName（IHostProject项目）在Microsoft.Expression.DesignSurface.DesignerService.InitializeWindowsRuntimeContext（IHostProject contextProject，IHostAppPackage appPackage）在Microsoft.Expression.DesignSurface.DesignerService.InitializePrimaryProject（）在Microsoft.Expression.DesignSurface.DesignerService.Initialize（）在Microsoft.Expression.DesignHost.Isolation.Remoting.RemoteDesignerService.b__0（）在Microsoft.Expression.DesignHost.Isolation.Remoting.STAMarshaler.Call.InvokeWorker（）

System.InvalidCastException 返回参数的类型无效。在System.Runtime.Remoting.Proxies.RealProxy.ValidateReturnArg（Object arg，Type paramType）在System.Runtime.Remoting.Proxies.RealProxy.PropagateOutParameters（IMessage msg，Object [] outArgs，Object returnValue）在System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage（IMessage reqMsg，IMessage retMsg）在System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke（MessageData＆amp; msgData，Int32 type）在Microsoft.Expression.DesignHost.Isolation.Remoting.IRemoteHostProject.get_TargetAssemblyPath（）在Microsoft.Expression.DesignHost.Isolation.Remoting.LocalHostProject.b_ 1a（IRemoteHostProject p）在Microsoft.Expression.DesignHost.Isolation.Remoting.ThreadMarshaler。＆lt;＆gt; c _DisplayClass4`2.b__3（）在Microsoft.Expression.DesignHost.Isolation.Remoting.STAMarshaler.Call.InvokeWorker（）

有没有人在此之前遇到过这个/知道是什么？非常感谢

未处理的异常阻止我在Blend 2012中打开一个项目

1 个答案: