Cannot retrieve explicit interface implemented member

Question

I'm using Roslyn to analyze C# code and I've run into an issue when playing around with explicitly implemented interfaces. Given a type that implements an interface, I'm unable to retrieve explicitly implemented members by name. For example: ``` var tree = CSharpSyntaxTree.ParseText(@" using System; namespace ConsoleApplication1 { class MyClass : IDisposable { void IDisposable.Dispose() { } public void Dispose() { } } }"); var Mscorlib = new MetadataFileReference(typeof(object).Assembly.Location); var compilation = CSharpCompilation.Create("MyCompilation", syntaxTrees: new[] { tree }, references: new[] { Mscorlib }); var model = compilation.GetSemanticModel(tree); var myType = compilation.GetTypeByMetadataName("ConsoleApplication1.MyClass"); var dispose = myType.GetMembers("Dispose").SingleOrDefault(); //explicitDispose is null. var explicitDispose = myType.GetMembers("IDisposable.Dispose").SingleOrDefault(); ``` This only seems to be the case when the type lives within a namespace, t…

Accepted Answer

It appears you need to provide the fully qualified method signature when it has been explicitly implemented:

```
var explicitDispose = myType.GetMembers("System.IDisposable.Dispose").SingleOrDefault();
```

(I was going to delete this question, but I see someone has marked it as a favorite, so I'll provide the answer that worked for me)

Cannot retrieve explicit interface implemented member

Solution

Problem