by sydney » Sat Aug 29, 2009 9:56 am
If you present yourself for inspection as a citizen of Canada you will be exempt the visa requirement unless you are seeking admission as a K, an E, or as a V nonimmigrant.
If you present yourself for inspection as a citizen of Pakistan, you will need a visa compatible with your purpose and intent.
Obviously, presenting yourself for inspection as a Canadian will be easier unless you are a K, E, or V nonimmigrant.