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我是 Visual Studio 可扩展性的新手，我正在尝试实现 VS 2012 SDK 中的 Microsoft 演练之一（显示语句完成）。我在演练中的一门课上遇到了一些困难。问题是我收到一个SVsServiceProvider未定义的错误。我已经进口了Microsoft.VisualStudio.Shell。

Imports System
Imports System.Collections.Generic
Imports System.Linq
Imports System.Text
Imports System.ComponentModel.Composition
Imports System.Runtime.InteropServices
Imports Microsoft.VisualStudio
Imports Microsoft.VisualStudio.Editor
Imports Microsoft.VisualStudio.Language.Intellisense
Imports Microsoft.VisualStudio.OLE.Interop
Imports Microsoft.VisualStudio.Shell
Imports Microsoft.VisualStudio.Text
Imports Microsoft.VisualStudio.Text.Editor
Imports Microsoft.VisualStudio.TextManager.Interop
Imports Microsoft.VisualStudio.Utilities


<Export(GetType(IVsTextViewCreationListener))>
<Name("token completion handler")>
<ContentType("plaintext")> <TextViewRole(PredefinedTextViewRoles.Editable)>
Friend Class TestCompletionHandlerProvider
Implements IVsTextViewCreationListener

<Import()>
Friend AdapterService As IVsEditorAdaptersFactoryService = Nothing
<Import()>
Friend Property CompletionBroker() As ICompletionBroker
<Import()>
Friend Property ServiceProvider() As SVsServiceProvider

Public Sub VsTextViewCreated(ByVal textViewAdapter As IVsTextView) Implements IVsTextViewCreationListener.VsTextViewCreated
    Dim textView As ITextView = AdapterService.GetWpfTextView(textViewAdapter)
    If textView Is Nothing Then
        Return
    End If

    Dim createCommandHandler As Func(Of TestCompletionCommandHandler) = Function() New TestCompletionCommandHandler(textViewAdapter, textView, Me)
    textView.Properties.GetOrCreateSingletonProperty(createCommandHandler)
End Sub
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1 回答 1

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正如西蒙在对原始问题的评论中发布的那样，添加对以下内容的引用：

Microsoft.VisualStudio.Shell.Immutable.10.0.dll

如果您正在使用，Microsoft.VisualStudio.Shell.Immutable.11.0.dll那么您将遇到一个 null SvsServiceProvider。

于 2016-04-09T22:28:32.887 回答