A simple sample to authorize,create,delete and refresh user token using Google.Apis.Calendar.v3 in ASP.net
Authorization : http://no2don.blogspot.com/2017/12/caspnet-googleapiscalendarv3.html
Create and Delete Event : http://no2don.blogspot.com/2017/12/caspnet-googleapiscalendarv3_19.html
Refresh Token : http://no2don.blogspot.com/2017/12/caspnet-googleapiscalendarv3-token.html