Get Map(Types:String,Types:String) in .Net application - axapta

Question

In AX 2009 I have class with method returning Map.
In С# I have null:
using (Axapta Ax = new Axapta())
{
Ax.Logon(null, null, null, null);
AxaptaObject ax = Ax.CreateAxaptaObject("SomeClass");
object obj = ax.Call("getMapData",1);
Dictionary<String, String> dict = obj as Dictionary<String, String>;
In this code dict is null. Why?
Is it possible to get complex data type from AX on .Net side?

Answer 1

Sorry, but a Map in X++ is not the same thing as a Dictionary in C#.
You can use a map though:
AxaptaObject map = ax.Call("getMapData",1);
Then call the map with:
String val = map.call("lookup", "key");

Answer 2

full code to do it (get Dictionary):
Dictionary<String,String> dict = new Dictionary<String,String>();
String key, value;
using (Axapta Ax = new Axapta())
{
Ax.Logon(null, null, null, null);
AxaptaObject someClass= Ax.CreateAxaptaObject("SomeClass");
AxaptaObject map = someClass.Call("getMapData",1) as AxaptaObject;
AxaptaObject mapIterator = Ax.CreateAxaptaObject("MapIterator", map);
while ((bool)mapIterator.Call("more"))
{
key = mapIterator.Call("key").ToString();
value = mapIterator.Call("value").ToString();
dict.Add(key,value);
mapIterator.Call("next");
}
}
return dict;