diff --git a/src/Mono.Cxxi/Abi/Impl/MsvcAbi.cs b/src/Mono.Cxxi/Abi/Impl/MsvcAbi.cs
index 49bdc307..b75e6951 100644
--- a/src/Mono.Cxxi/Abi/Impl/MsvcAbi.cs
+++ b/src/Mono.Cxxi/Abi/Impl/MsvcAbi.cs
@@ -210,6 +210,9 @@ public virtual string GetTypeCode (CppType mangleType)
 				code.Append(mangleType.ElementTypeName);
 				code.Append ("@@");
 				break;
+            case CppTypes.Bool:
+                code.Append("_N");
+                break;
 			}
 
 			return code.ToString ();
diff --git a/src/Mono.Cxxi/CppField.cs b/src/Mono.Cxxi/CppField.cs
index 3902da69..29d5c439 100644
--- a/src/Mono.Cxxi/CppField.cs
+++ b/src/Mono.Cxxi/CppField.cs
@@ -53,6 +53,20 @@ public T this [CppInstancePtr ip] {
 					retVal = Marshal.ReadInt16 (ip.Native, fieldOffset);
 				else if (retType.Equals (typeof (Int32)))
 					retVal = Marshal.ReadInt32 (ip.Native, fieldOffset);
+                else if (retType.Equals(typeof(Double)))
+                {
+                    IntPtr doubleStart = new IntPtr(ip.Native.ToInt64() + fieldOffset);
+                    byte[] buffer = new byte[8];
+                    Marshal.Copy(doubleStart, buffer, 0, 8);
+                    retVal = BitConverter.ToDouble(buffer, 0);
+                }
+                else if (retType.Equals(typeof(Int64)))
+                {
+                    IntPtr doubleStart = new IntPtr(ip.Native.ToInt64() + fieldOffset);
+                    byte[] buffer = new byte[8];
+                    Marshal.Copy(doubleStart, buffer, 0, 8);
+                    retVal = BitConverter.ToInt64(buffer, 0);
+                }
 
 				else if (typeof (ICppObject).IsAssignableFrom (retType)) {