Hello..
For all those who're still messed up in creating dll through C# and accessing it from activexobject embedded in js/Jscript/ECMA script.. you could look
here It provides a very good exposure to all the naive apprentices ( akin to me )..But the shortcoming of this approach is the fact that once the dll is created ( which gets automatically done provided we have .NET framework installed) for letting this dll being registered to the OS we again require a .NET framework (proves out that not everyone is contented with this condition being imposed in specific my mentor :P)
Now i chose an alternative over allowing the gadgets communicating via dll and acitvexobject..Socket programming appeared a good alternative till now . .again since my platform is restricted to windows vista either I've to go for programming is c++ ( which is easily accessible from gadget API but alas ... i ain't able to create given loads of available samples avaiable easily on net) or java ( this would again add a constraint on the client machine to have an apt version of JRE-the interpreter of bytecodes developed during compilation of any Java programs) I'm still not sure of which one to use .. (certainly the deciding factor here is my mentor's approval of allowing the constraints)