If you are traveling to Schengen with Canadian passport in most cases you do not need to obtain entry visa to Schengen at the consulate beforehand. The period of stay though may be limited by the laws of Schengen country. You may check what is the allowed period of stay at the Schengen  country consulate in Canada. All other applicants should check information on Schengen visa requirements, procedure, application forms, fees and processing timings may be found here: http://schengen.visacenter.ca.