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);                     }                 }             }         }