Allow fixing VBs explicit interface implementations.

src/EditorFeatures/CSharp/UseAutoProperty/UseAutoPropertyAnalyzer.cs

@@ -22,12 +22,15 @@ protected override bool SupportsReadOnlyProperties(Compilation compilation)
         protected override bool SupportsPropertyInitializer(Compilation compilation)
             => ((CSharpCompilation)compilation).LanguageVersion >= LanguageVersion.CSharp6;
 
+        protected override bool CanExplicitInterfaceImplementationsBeFixed()
+            => false;
+
         protected override void AnalyzeCompilationUnit(
             SemanticModelAnalysisContext context, SyntaxNode root, List<AnalysisResult> analysisResults)
             => AnalyzeMembers(context, ((CompilationUnitSyntax)root).Members, analysisResults);
 
         private void AnalyzeMembers(
-            SemanticModelAnalysisContext context, 
+            SemanticModelAnalysisContext context,
             SyntaxList<MemberDeclarationSyntax> members,
             List<AnalysisResult> analysisResults)
         {

src/EditorFeatures/VisualBasic/UseAutoProperty/UseAutoPropertyAnalyzer.vb

@@ -21,6 +21,10 @@ Namespace Microsoft.CodeAnalysis.Editor.VisualBasic.UseAutoProperty
             Return DirectCast(compilation, VisualBasicCompilation).LanguageVersion >= LanguageVersion.VisualBasic10
         End Function
 
+        Protected Overrides Function CanExplicitInterfaceImplementationsBeFixed() As Boolean
+            Return True
+        End Function
+
         Protected Overrides Sub AnalyzeCompilationUnit(context As SemanticModelAnalysisContext, root As SyntaxNode, analysisResults As List(Of AnalysisResult))
             AnalyzeMembers(context, DirectCast(root, CompilationUnitSyntax).Members, analysisResults)
         End Sub

src/EditorFeatures/VisualBasicTest/Diagnostics/UseAutoProperty/UseAutoPropertyTests.vb

@@ -557,7 +557,7 @@ End Class")
         <WorkItem(23735, "https://github.com/dotnet/roslyn/issues/23735")>
         <Fact, Trait(Traits.Feature, Traits.Features.CodeActionsUseAutoProperty)>
         Public Async Function ExplicitInterfaceImplementation() As Task
-            Await TestMissingInRegularAndScriptAsync("
+            Await TestInRegularAndScriptAsync("
 Namespace RoslynSandbox
     Public Interface IFoo
         ReadOnly Property Bar() As Object
@@ -579,6 +579,23 @@ Namespace RoslynSandbox
         End Sub
     End Class
 End Namespace
+",
+"
+Namespace RoslynSandbox
+    Public Interface IFoo
+        ReadOnly Property Bar() As Object
+    End Interface
+
+    Friend Class Foo
+        Implements IFoo
+
+		Private ReadOnly Property Bar() As Object Implements IFoo.Bar
+
+        Public Sub New(bar As Object)
+            Me.Bar = bar
+        End Sub
+    End Class
+End Namespace
 ")
         End Function
     End Class

src/Features/Core/Portable/UseAutoProperty/AbstractUseAutoPropertyAnalyzer.cs

@@ -31,6 +31,7 @@ protected AbstractUseAutoPropertyAnalyzer()
         protected abstract void AnalyzeCompilationUnit(SemanticModelAnalysisContext context, SyntaxNode root, List<AnalysisResult> analysisResults);
         protected abstract bool SupportsReadOnlyProperties(Compilation compilation);
         protected abstract bool SupportsPropertyInitializer(Compilation compilation);
+        protected abstract bool CanExplicitInterfaceImplementationsBeFixed();
         protected abstract TExpression GetFieldInitializer(TVariableDeclarator variable, CancellationToken cancellationToken);
         protected abstract TExpression GetGetterExpression(IMethodSymbol getMethod, CancellationToken cancellationToken);
         protected abstract TExpression GetSetterExpression(IMethodSymbol setMethod, SemanticModel semanticModel, CancellationToken cancellationToken);
@@ -113,7 +114,7 @@ protected void AnalyzeProperty(SemanticModelAnalysisContext context, TPropertyDe
                 return;
             }
 
-            if (property.ExplicitInterfaceImplementations.Length != 0)
+            if (!CanExplicitInterfaceImplementationsBeFixed() && property.ExplicitInterfaceImplementations.Length != 0)
             {
                 return;
             }