CSHARP

c# exit

// In a console application:
Environment.Exit(0);
// In a WPF application:
Close();

c# how to exit program

System.Environment.Exit(1);

exit a method c#

private void Test(int condition)
{
  if(condition)
    return; // Exit the methode

  // Here code if condition == false
}

exit programm c#

 Application.Exit();

c# program exit

System.Windows.Forms.Application.ExitThread( )