我正在尝试创建一个WPF应用程序，但是当我打开XAML设计器视图时，我得到一个指向ActivityLog.xml文件的异常。错误条目显示在此处：
<entry>
<record>433</record>
<time>2015/11/30 13:50:43.147</time>
<type>Information</type>
<source>VisualStudio</source>
<description>.NET Framework Version: 4.0.40305.0</description>
</entry>
<entry>
<record>434</record>
<time>2015/11/30 13:50:43.147</time>
<type>Information</type>
<source>VisualStudio</source>
<description>MSXML Version: 6.30.7601.18923</description>
</entry>
<entry>
<record>435</record>
<time>2015/11/30 13:50:47.206</time>
<type>Information</type>
<source>Extension Manager</source>
<description>Searching folder for extension.vsixmanifest files...</description>
<path>C:\Program Files (x86)\Microsoft SDKs</path>
</entry>
<entry>
<record>436</record>
<time>2015/11/30 13:50:47.262</time>
<type>Information</type>
<source>Extension Manager</source>
<description>Extension is enabled...</description>
<path>C:\PROGRAM FILES (X86)\MICROSOFT VISUAL STUDIO 14.0\COMMON7\IDE\EXTENSIONS\1DSTIDTC.LPJ\</path>
</entry>
<entry>
<record>437</record>
<time>2015/11/30 13:54:46.274</time>
<type>Error</type>
<source>Editor or Editor Extension</source>
<description>System.NotSupportedException: Required Service 'ITypeResolverService' not found.
 at Microsoft.VisualStudio.DesignTools.DesignerHost.HostServices.ServiceProviderExtensions.GetRequiredService[T](IServiceProvider serviceProvider, Type serviceType)
 at Microsoft.VisualStudio.DesignTools.Xaml.LanguageService.XamlFileInformationService.CreateFileInformationContext(IHostSourceItem sourceItem)
 at Microsoft.VisualStudio.DesignTools.Xaml.LanguageService.XamlLanguageService.EnsureBufferCache(IVsTextLines textLines)
 at Microsoft.VisualStudio.DesignTools.Xaml.LanguageService.XamlLanguageService.EnsureBufferCache(IVsTextView view)
 at Microsoft.VisualStudio.DesignTools.Xaml.LanguageService.XamlSource.BeginParse(Int32 line, Int32 idx, TokenInfo info, ParseReason reason, IVsTextView view, ParseResultHandler callback)
 at Microsoft.VisualStudio.Package.ViewFilter.GetDataTipText(TextSpan[] aspan, String& textValue)
 at Microsoft.VisualStudio.Editor.Implementation.ShimQuickInfoSource.TryGetQuickInfoFromFilter(IQuickInfoSession session, TextSpan[] dataBufferTextSpan, String& tipText)
 at Microsoft.VisualStudio.Editor.Implementation.ShimQuickInfoSource.AugmentQuickInfoSession(IQuickInfoSession session, IList`1 qiContent, ITrackingSpan& applicableToSpan)
 at Microsoft.VisualStudio.Language.Intellisense.Implementation.QuickInfoSession.Recalculate()
 at Microsoft.VisualStudio.Language.Intellisense.Implementation.QuickInfoSession.Start()
 at Microsoft.VisualStudio.Language.Intellisense.Implementation.DefaultQuickInfoController.OnTextView_MouseHover(Object sender, MouseHoverEventArgs e)
 at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.RaiseHoverEvents()</description>
</entry>
<entry>
<record>438</record>
<time>2015/11/30 13:54:51.921</time>
<type>Error</type>
<source>Editor or Editor Extension</source>
<description>System.NotSupportedException: Required Service 'ITypeResolverService' not found.
 at Microsoft.VisualStudio.DesignTools.DesignerHost.HostServices.ServiceProviderExtensions.GetRequiredService[T](IServiceProvider serviceProvider, Type serviceType)
 at Microsoft.VisualStudio.DesignTools.Xaml.LanguageService.XamlFileInformationService.CreateFileInformationContext(IHostSourceItem sourceItem)
 at Microsoft.VisualStudio.DesignTools.Xaml.LanguageService.XamlLanguageService.EnsureBufferCache(IVsTextLines textLines)
 at Microsoft.VisualStudio.DesignTools.Xaml.LanguageService.XamlLanguageService.EnsureBufferCache(IVsTextView view)
 at Microsoft.VisualStudio.DesignTools.Xaml.LanguageService.XamlSource.BeginParse(Int32 line, Int32 idx, TokenInfo info, ParseReason reason, IVsTextView view, ParseResultHandler callback)
 at Microsoft.VisualStudio.Package.ViewFilter.GetDataTipText(TextSpan[] aspan, String& textValue)
 at Microsoft.VisualStudio.Editor.Implementation.ShimQuickInfoSource.TryGetQuickInfoFromFilter(IQuickInfoSession session, TextSpan[] dataBufferTextSpan, String& tipText)
 at Microsoft.VisualStudio.Editor.Implementation.ShimQuickInfoSource.AugmentQuickInfoSession(IQuickInfoSession session, IList`1 qiContent, ITrackingSpan& applicableToSpan)
 at Microsoft.VisualStudio.Language.Intellisense.Implementation.QuickInfoSession.Recalculate()
 at Microsoft.VisualStudio.Language.Intellisense.Implementation.QuickInfoSession.Start()
 at Microsoft.VisualStudio.Language.Intellisense.Implementation.DefaultQuickInfoController.OnTextView_MouseHover(Object sender, MouseHoverEventArgs e)
 at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.RaiseHoverEvents()</description>
</entry>
</activity>
以下是异常细节：
System.NotSupportedException: Required Service 'ITypeResolverService' not found.

at Microsoft.VisualStudio.DesignTools.DesignerHost.HostServices.ServiceProviderExtensions.GetRequiredService[T](IServiceProvider serviceProvider, Type serviceType)

at Microsoft.VisualStudio.DesignTools.Xaml.LanguageService.XamlFileInformationService.CreateFileInformationContext(IHostSourceItem sourceItem)

at Microsoft.VisualStudio.DesignTools.Xaml.LanguageService.XamlLanguageService.EnsureBufferCache(IVsTextLines textLines)

at Microsoft.VisualStudio.DesignTools.Xaml.LanguageService.XamlLanguageService.EnsureBufferCache(IVsTextView view)

at Microsoft.VisualStudio.DesignTools.Xaml.LanguageService.XamlSource.BeginParse(Int32 line, Int32 idx, TokenInfo info, ParseReason reason, IVsTextView view, ParseResultHandler callback)

at Microsoft.VisualStudio.Package.ViewFilter.GetDataTipText(TextSpan[] aspan, String& textValue)

at Microsoft.VisualStudio.Editor.Implementation.ShimQuickInfoSource.TryGetQuickInfoFromFilter(IQuickInfoSession session, TextSpan[] dataBufferTextSpan, String& tipText)

at Microsoft.VisualStudio.Editor.Implementation.ShimQuickInfoSource.AugmentQuickInfoSession(IQuickInfoSession session, IList`1 qiContent, ITrackingSpan& applicableToSpan)

at Microsoft.VisualStudio.Language.Intellisense.Implementation.QuickInfoSession.Recalculate()

at Microsoft.VisualStudio.Language.Intellisense.Implementation.QuickInfoSession.Start()

at Microsoft.VisualStudio.Language.Intellisense.Implementation.DefaultQuickInfoController.OnTextView_MouseHover(Object sender, MouseHoverEventArgs e)

at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.RaiseHoverEvents()
在花了几分钟加载并给我这个例外后，设计器视图将起作用，但它太慢而几乎无法使用，并且会使我的整个VS会话滞后（当设计器视图关闭时它会自行纠正）。
我没有XAML的经验，所以我需要一种在我创建时可视化的方法。有没有办法解决这个问题，或者我可以使用免费扩展程序？
答案 0 :(得分：0)
固定！这是通过卸载.NET 4.6，安装.NET 4，重新安装Windows SDK，然后重新安装所有必需的.NET软件包来完成的。