using System ;
using System.Runtime ;
using System.Runtime.InteropServices ;

public class InternetClass
{
  //Creating the extern function for checking internet connection.
  [DllImport("wininet.dll")]
  private extern static bool InternetGetConnectedState(out int Description, int ReservedValue) ;
 

 
  //Creating a function that uses the API function to check internet connection.
  public static bool IsConnectedToInternet( )
  {
      int Desc ;
      return InternetGetConnectedState(out Desc, 0) ;
   }
}