Added unit test that shows an issue with dynamic resolve results &

code completion.

ICSharpCode.NRefactory.CSharp/Completion/CSharpCompletionEngine.cs

@@ -295,17 +295,17 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 						// case 3)
 						return contextList.Result;
 					}
-					
 					var lookup = new MemberLookup(ctx.CurrentTypeDefinition, Compilation.MainAssembly);
-					bool isProtectedAllowed = ctx.CurrentTypeDefinition != null ? 
-						ctx.CurrentTypeDefinition.IsDerivedFrom(initializerResult.Item1.Type.GetDefinition()) : 
+					var initializerType = initializerResult.Item1.Type;
+					bool isProtectedAllowed = ctx.CurrentTypeDefinition != null && initializerType.GetDefinition() != null ? 
+						ctx.CurrentTypeDefinition.IsDerivedFrom(initializerType.GetDefinition()) : 
 							false;
 
-					foreach (var m in initializerResult.Item1.Type.GetMembers (m => m.EntityType == EntityType.Field)) {
+					foreach (var m in initializerType.GetMembers (m => m.EntityType == EntityType.Field)) {
 						if (lookup.IsAccessible (m, isProtectedAllowed))
 							contextList.AddMember(m);
 					}
-					foreach (IProperty m in initializerResult.Item1.Type.GetMembers (m => m.EntityType == EntityType.Property)) {
+					foreach (IProperty m in initializerType.GetMembers (m => m.EntityType == EntityType.Property)) {
 						if (m.CanSet && lookup.IsAccessible (m.Setter, isProtectedAllowed))
 							contextList.AddMember(m);
 					}
@@ -319,8 +319,8 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 					
 					// check if the object is a list, if not only provide object initalizers
 					var list = typeof(System.Collections.IList).ToTypeReference().Resolve(Compilation);
-					if (initializerResult.Item1.Type.Kind != TypeKind.Array && list != null) {
-						var def = initializerResult.Item1.Type.GetDefinition(); 
+					if (initializerType.Kind != TypeKind.Array && list != null) {
+						var def = initializerType.GetDefinition(); 
 						if (def != null && !def.IsDerivedFrom(list.GetDefinition()))
 							return contextList.Result;
 					}

ICSharpCode.NRefactory.Tests/CSharp/CodeCompletion/ObjectInitializerTests.cs

@@ -645,6 +645,42 @@ class C : S
 			Assert.IsNotNull(provider.Find("Bar"), "'Bar' not found.");
 		}
 
+
+		/// <summary>
+		/// Bug 9910 - Completion not working in object initializer
+		/// </summary>
+		[Ignore("FIX ME !")]
+		[Test]
+		public void TestBug9910()
+		{
+			var provider = CodeCompletionBugTests.CreateCtrlSpaceProvider(
+				@"class Test 
+{
+    Test(int i) { }
+    Test(char c) { }
+
+    static Test foo(dynamic d)
+    {
+        return new Test(d) {
+            $f$
+        };
+    }
+
+    public static void Main(string [] args)
+    {
+    }
+
+    int fld;
+    int fld2;
+}
+
+");
+			Assert.IsNotNull(provider.Find("fld"), "'fld' found.");
+			Assert.IsNotNull(provider.Find("fld2"), "'fld2' not found.");
+		}
+
+
+
 	}
 
 }