How to change LAN Settings (proxy configuration) programmatically

Question

I am writing a program to automatically switch my proxy address based on the network I am connected to.

I have so far got everything to work except the part that I have

Answer 1

You just need modify the value:

Registry Key : HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
DWORD AutoDetect = 0 or 1

See this link.