start a scanner from my .net windows application using c# in visual studio.

Question

How to start a scanner from my .net windows application using c# in visual studio.
please help how to start a scanner from windows .net application in visual studio, in button click event. i don't know anything about it .. do i need to import any dll s or name spaces... when i pressed a button in my application scanner process should start...
How to start ascanner from my .net windows application using c#