disconnecting internet

Question

i have an application in which internet should be disconnected on button click..please help me out

Javeed M Shaikh · Answer

read this first: http://msdn.microsoft.com/en-us/library/system.management.managementobjectsearcher.aspx try this: var wmiQuery = new SelectQuery(SELECT * FROM Win32_NetworkAdapter  + WHERE NetConnectionId != null  + AND Manufacturer != 'Microsoft' ); using (var searcher = new ManagementObjectSearcher(wmiQuery)) { foreach (ManagementObject item in searcher.Get()) { if (((String)item[NetConnectionId]) == Local Area Connection) { using (item) { item.InvokeMethod(Disable null); } } } }