Set Filter for less secure apps On through metro app

Question

Hi!

  i am working on sending mail through my Winrt(Windows 8.1) metro app and in this i am using LightBuzz nuget package for mail delievery,but after getting username/password,it is connected to smtp server but not getting authenticate because filter(Access for less secure app) is off.So here i want to enable that filter through app(Programmatically) not through going into gmail/yahoo account and enable that filter.

 

So kindly help me plz. 

 

Thank you