Disable network connection (wifi and mobile network as 3g/2g/....) in c#

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http://stackoverflow.com – I am developing an aplication for android in c# (mono for android), i am using monodevelop IDE for this development. I have a requirement that is enable, or disable the internet connection (wifi, 3g/2g and any type of internet connection), through a button, but i can't do this. thanks for yours answers. (HowTos)