how I Create ActiveX exe /project in .net

Hi,

I have 2 vb6 application which I am going to migrate in .net.
1- Normal windows application
2- ActiveX application

Java (launch and pass data)--> AcitiveX-->(pass data to vb6 which is already opened )Vb6 win form

This ActiveX application is launched by javascript from java like
var v = new ActiveXObject("") and passed data to activeX exe and
that activeX exe take data from java application and pass it to vb6 windows application

In .net how can I create AcitveX Exe (project) or please suggest how can I achieve this
functionality in .net.

Thanks in advance