没有Metro应用程序的设计视图

问题描述

我无法设计任何东西我总是会收到此错误...

System.Runtime.InteropServices.COMException

此Metro风格应用程序不支持合同指定或未安装。 （HRESULT异常：0x80270254）

  在Microsoft.Expression.HostUtility.AppPackage.NativeMethods.IApplicationActivationManager.ActivateApplication（String appUserModelId，String activationContext，ActivateOptions options，Int32& processId）  
at Microsoft.Expression.HostUtility.AppPackage.WrtUtility.ActivateApplication（String appUserModelId，String activationContext，Object site）   at Microsoft.Expression.HostUtility.Platform.TailoredDomainFactory.CreateDesignerProcess（String applicationPath，
String clientPort，Uri hostUri，IDictionary environmentVariables，Int32& processId，Object& processData）  在Microsoft.Expression.DesignHost.Isolation.Primitives.ProcessDomainFactory.ProcessIsolationDomain..ctor（ProcessDomainFactory factory，
IIsolationBoundary boundary，AppDomainSetup appDomainInfo，FrameworkName targetFramework，String identifier）  在Microsoft.Expression.DesignHost.Isolation.Primitives.ProcessDomainFactory.CreateIsolationDomain（IIsolationBoundary boundary）  
at Microsoft.Expression.HostUtility.Platform.TailoredDomainFactory.CreateIsolationDomain（IIsolationBoundary boundary）  在Microsoft.Expression.DesignHost.Isolation.Primitives.IsolationBoundary.Initialize（）  在Microsoft.Expression.DesignHost.Isolation.Primitives.IsolationBoundary.CreateInstance [T]（键入
type）  在Microsoft.Expression.DesignHost.Isolation.IsolatedExportProvider.Initialize（）  在Microsoft.VisualStudio.ExpressionHost.Services.VSIsolationService.CreateExportProvider（IIsolationTarget isolationTarget，ICatalogFactory catalogFactory，
IExportFilter过滤器）  在Microsoft.Expression.DesignHost.Isolation.IsolationService.CreateLease（IIsolationTarget isolationTarget）  在Microsoft.Expression.DesignHost.IsolatedDesignerService.CreateLease（IIsolationTarget isolationTarget，
DesignerServiceEntry& entry）  在Microsoft.Expression.DesignHost.IsolatedDesignerService.CreateDesignerViewInfo（IIsolationTarget isolationTarget，IHostSourceItem item，IHostTextEditor editor，CancellationTokenSource cancelSource）  
at Microsoft.Expression.DesignHost.IsolatedDesignerService。<> c__DisplayClass1b。< CreateDesigner> b__19（）  在System.Threading.Tasks.Task`1.InnerInvoke（）  在System.Threading.Tasks.Task.Execute（）

解决方案是什么？

解决方案

I cannot design anything I always get this error...

System.Runtime.InteropServices.COMException

This Metro style application does not support the contract specified or is not installed. (Exception from HRESULT: 0x80270254)

   at Microsoft.Expression.HostUtility.AppPackage.NativeMethods.IApplicationActivationManager.ActivateApplication(String appUserModelId, String activationContext, ActivateOptions options, Int32& processId)   at Microsoft.Expression.HostUtility.AppPackage.WrtUtility.ActivateApplication(String appUserModelId, String activationContext, Object site)   at Microsoft.Expression.HostUtility.Platform.TailoredDomainFactory.CreateDesignerProcess(String applicationPath, String clientPort, Uri hostUri, IDictionary environmentVariables, Int32& processId, Object& processData)   at Microsoft.Expression.DesignHost.Isolation.Primitives.ProcessDomainFactory.ProcessIsolationDomain..ctor(ProcessDomainFactory factory, IIsolationBoundary boundary, AppDomainSetup appDomainInfo, FrameworkName targetFramework, String identifier)   at Microsoft.Expression.DesignHost.Isolation.Primitives.ProcessDomainFactory.CreateIsolationDomain(IIsolationBoundary boundary)   at Microsoft.Expression.HostUtility.Platform.TailoredDomainFactory.CreateIsolationDomain(IIsolationBoundary boundary)   at Microsoft.Expression.DesignHost.Isolation.Primitives.IsolationBoundary.Initialize()   at Microsoft.Expression.DesignHost.Isolation.Primitives.IsolationBoundary.CreateInstance[T](Type type)   at Microsoft.Expression.DesignHost.Isolation.IsolatedExportProvider.Initialize()   at Microsoft.VisualStudio.ExpressionHost.Services.VSIsolationService.CreateExportProvider(IIsolationTarget isolationTarget, ICatalogFactory catalogFactory, IExportFilter filter)   at Microsoft.Expression.DesignHost.Isolation.IsolationService.CreateLease(IIsolationTarget isolationTarget)   at Microsoft.Expression.DesignHost.IsolatedDesignerService.CreateLease(IIsolationTarget isolationTarget, DesignerServiceEntry& entry)   at Microsoft.Expression.DesignHost.IsolatedDesignerService.CreateDesignerViewInfo(IIsolationTarget isolationTarget, IHostSourceItem item, IHostTextEditor editor, CancellationTokenSource cancelSource)   at Microsoft.Expression.DesignHost.IsolatedDesignerService.<>c__DisplayClass1b.<CreateDesigner>b__19()   at System.Threading.Tasks.Task`1.InnerInvoke()   at System.Threading.Tasks.Task.Execute()

What is the solution?

解决方案

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