Question

在我选择新的WPF项目时,我会发现以下错误。

Loading this assembly would produce a different grant set from other instances. (Exception from HRESULT: 0x80131401)
   at System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandle& ctor, Boolean& bNeedSecurityCheck)
   at System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean fillCache)
   at System.RuntimeType.CreateInstanceImpl(Boolean publicOnly, Boolean skipVisibilityChecks, Boolean fillCache)
   at System.Activator.CreateInstance(Type type, Boolean nonPublic)
   at System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes)
   at System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes)
   at System.Activator.CreateInstance(String assemblyName, String typeName, Boolean ignoreCase, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes, Evidence securityInfo, StackCrawlMark& stackMark)
   at System.Activator.CreateInstance(String assemblyName, String typeName)
   at System.AppDomain.CreateInstance(String assemblyName, String typeName)
   at System.AppDomain.CreateInstanceAndUnwrap(String assemblyName, String typeName)
   at System.AppDomain.CreateInstanceAndUnwrap(String assemblyName, String typeName)
   at MS.Internal.Package.VSIsolationProviderService.CreateIsolationProvider(String identity, AssemblyReferenceProvider assemblyReferences, IEnumerable`1 assemblyFolders)
   at MS.Internal.Providers.VSDesignerContext.GetIsolationProvider(IServiceProvider provider, IVsHierarchy hierarchy, AssemblyReferenceProvider assemblyReferences)
   at MS.Internal.Providers.VSDesignerContext.Initialize(IServiceProvider provider, IVsHierarchy hierarchy, UInt32 itemid, Object docDataObj)
   at MS.Internal.Providers.VSDesignerContext..ctor(IServiceProvider provider, IVsWindowFrame frame, Object docDataObj)
   at MS.Internal.Providers.VSDesignerContext.GetContext(IServiceProvider services, IVsWindowFrame frame, Boolean createIfNotExist)
   at MS.Internal.Designer.DesignerPane.InitializeDesigner()

Answer 1

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如果你在开放妇女论坛编辑时发现这一错误,就会尝试:

Open a second instance of Visual Studio and try to open XAML.

Close all .xaml and .xml files, close Visual Studio, re-open it and open .xaml file.

Disable all add-ins in Tools -> Add-in manager

"Reset all settings" in Visual Studio.

Install CLR patch (KB963676) that should help with fixing of XAML designer. There is a known feedback from Microsoft which states that this should help. Download here (https://connect.microsoft.com/VisualStudio/Downloads/DownloadDetails.aspx?DownloadID=16827&wa=wsignin1.0). The *.msu are patches for Windows Vista or Windows Server 2008. The *.exe for Windows XP or Windows Server 2003. Even if you are using 64-bit machines, you still need x86 patch since Visual Studio 2008 is a 32-bit application.
Uninstall all Silverlight tools, runtime, SDKs, Expression Blend. After this, repair Visual Studio.
Reinstall Visual Studio and .NET Framework.

如果没有工作,你就不得不重新加入该协调员。

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