APISampleUnitTestsCS.FAQ.GetSymbolsForAccessibleMembersOfAType C# (CSharp) Метод

        public void GetSymbolsForAccessibleMembersOfAType()
        {
            var source = @"
            using System;
            public class C
            {
            internal int InstanceField = 0;
            public int InstanceProperty { get; set; }
            internal void InstanceMethod()
            {
            Console.WriteLine(InstanceField);
            }
            protected void InaccessibleInstanceMethod()
            {
            Console.WriteLine(InstanceProperty);
            }
            }
            public static class ExtensionMethods
            {
            public static void ExtensionMethod(this C s)
            {
            }
            }
            class Program
            {
            static void Main()
            {
            C c = new C();
            c.ToString();
            }
            }";
            var tree = SyntaxTree.ParseText(source);
            var compilation = Compilation.Create("MyCompilation")
                .AddReferences(MetadataReference.CreateAssemblyReference("mscorlib"))
                .AddSyntaxTrees(tree);
            var model = compilation.GetSemanticModel(tree);

            // Get position of 'c.ToString()' above.
            var position = source.IndexOf("c.ToString()");

            // Get IdentifierNameSyntax corresponding to identifier 'c' above.
            var identifier = (IdentifierNameSyntax)tree.GetRoot().FindToken(position).Parent;

            // Get TypeSymbol corresponding to variable 'c' above.
            TypeSymbol type = model.GetTypeInfo(identifier).Type;

            // Get symbols for 'accessible' members on the above TypeSymbol.
            // To also include inacessible memebers, use LookupOptions.IgnoreAccessibility.
            ReadOnlyArray<Symbol> symbols = model.LookupSymbols(position, container: type,
                options: LookupOptions.MustBeInstance | LookupOptions.IncludeExtensionMethods);
            var results = string.Join("\r\n", symbols
                .Select(symbol => symbol.ToDisplayString())
                .OrderBy(result => result));

            Assert.AreEqual(@"C.ExtensionMethod()
            C.InstanceField
            C.InstanceMethod()
            C.InstanceProperty
            object.Equals(object)
            object.GetHashCode()
            object.GetType()
            object.ToString()", results);
        }