第一次使用Sillverlight时发生错误 [英] error when using Sillverlight for the first time

问题描述

我试图用silverlight创建我的第一个应用程序
( http://samples.msdn.microsoft.com/Silverlight/SampleBrowser/index .htm#/?sref = WebcamCapture [ ^ ])
安装Silverlighttool-4之后，但出现错误:
---

I tried to create my first application with silverlight
(http://samples.msdn.microsoft.com/Silverlight/SampleBrowser/index.htm#/?sref=WebcamCapture[^] )
after installing Silverlighttool-4 but it gives error:
---

System.NullReferenceException
Object reference not set to an instance of an object.
   at Microsoft.Windows.Design.Platform.SilverlightMetadataContext.SilverlightXamlExtensionImplementations.<GetXmlNamespaceCompatibilityMappings>d__8.MoveNext()   at MS.Internal.Design.Metadata.ReflectionProjectNode.BuildSubsumption()   at MS.Internal.Design.Metadata.ReflectionProjectNode.SubsumingNamespace(Identifier identifier)   at MS.Internal.Design.Markup.XmlElement.BuildScope(PrefixScope parentScope, IParseContext context)   at MS.Internal.Design.Markup.XmlElement.ConvertToXaml(XamlElement parent, PrefixScope parentScope, IParseContext context, IMarkupSourceProvider provider)   at MS.Internal.Design.DocumentModel.DocumentTrees.Markup.XamlSourceDocument.FullParse(Boolean convertToXamlWithErrors)   at MS.Internal.Design.DocumentModel.DocumentTrees.Markup.XamlSourceDocument.get_RootItem()   at Microsoft.Windows.Design.DocumentModel.Trees.ModifiableDocumentTree.get_ModifiableRootItem()   at Microsoft.Windows.Design.DocumentModel.MarkupDocumentManagerBase.get_LoadState()   at MS.Internal.Host.PersistenceSubsystem.Load()   at MS.Internal.Host.Designer.Load()   at MS.Internal.Designer.VSDesigner.Load()   at MS.Internal.Designer.VSIsolatedDesigner.VSIsolatedView.Load()   at MS.Internal.Designer.VSIsolatedDesigner.VSIsolatedDesignerFactory.Load(IsolatedView view)   at MS.Internal.Host.Isolation.IsolatedDesigner.BootstrapProxy.LoadDesigner(IsolatedDesignerFactory factory, IsolatedView view)   at MS.Internal.Host.Isolation.IsolatedDesigner.BootstrapProxy.LoadDesigner(IsolatedDesignerFactory factory, IsolatedView view)   at MS.Internal.Host.Isolation.IsolatedDesigner.Load()   at MS.Internal.Designer.DesignerPane.LoadDesignerView()

推荐答案

卸载标准版本的silverlight，然后安装开发人员运行时，它将解决.请通过以下链接安装silverlight开发人员运行时: http://go.microsoft.com/fwlink/?LinkId=146060 [ ^ ]

Uninstall the standard version of silverlight and then install the developer runtime and it will get solved. please install the silverlight developer runtime from this link: http://go.microsoft.com/fwlink/?LinkId=146060[^]

这篇关于第一次使用Sillverlight时发生错误的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！