Create multiple instances of same OCX

I have to load a couple of OCX libraries to access legacy code. I am creating the instance using Activator.CreateInstance:

var type = Type.GetTypeFromProgID(ProgId);
var comObject = Activator.CreateInstance(type);

Unfortunately Activator.CreateInstance see开发者_开发问答ms to create only one instance per ProgId, however I need multiple instances with different configurations.

Example: Assuming I am using an OCX wich allows to set a value:

var instance1 = Create(progId);
Set(instance1, "key", "1");
var value1 = Get(instance1, "key"); // returns 1

var instance2 = Create(progId);
Set(instance2, "key", "2"); 
var value2 = Get(instance2, "key"); // returns 2

var value3 = Get(instance1, "key"); // returns 2

I need a way to instantiate one OCX (same ProgId) control multiple times without getting handed references to just one instance.

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Problem has been solved by changing the OCX to not use global variables. Thanks Hans Passant.