Word automation using C#

Question

Hello,

I want to create word document using c#,now i did the task to create simple word document using word DLL.

now my requirement is to make more automation on created word document through c# code,required automation as describe below...

-> Define header and footer,footer contains page number,while header contains some text but i need that header change on odd and even    pages,which is property of word "Different Odd & Event Pages".

-> define the fix page size,and need to define margin from 4 different side.

so please help me to short out my requirements.

Thanks,

Kaushal.