Using an ocx file with C#

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C#2.0

C#

Hi,

I have to use an ocx file with my C# Windows application. I am able to successfully refer and and access the methods defined in the ocx file. But:

1. When I am trying to instantiate the object like
   

   objIRC = new IRCClass();

   
   then I compile time error is getting "The type 'IRC.IRCClass' has no constructors defined"
2. So I tried with out new keyword. The object reference error is occuring 'Object reference not set to an instance of an object'. On googling I got some advice to use the Activator methods, which I found not good.

Do you have any idea why this is happening?
NB: I only have the ocx file. No idea about it.

Thanking you
Baji Jabbar :)