How to change IIS 7 application settings using C#

I have deployed an application to the IIS 7 De开发者_Python百科fault Website. To make changes to application's settings, I have to right-click the application, go to Manage Application, and click Advance Settings. In the window that pops up (in the Behavior section), there is a Enabled protocols which is set to http by default. I want to change this to http,net.tcp using C#.