public static void Main()
{
ProcessBusinessLogic bl = new ProcessBusinessLogic();
bl.ProcessCompleted += bl_ProcessCompleted; // register with an event
bl.StartProcess();
}
static void Main(string[] args)
{
//Console.WriteLine("Hello World!");
ProcessBusinessLogic bl = new ProcessBusinessLogic();
bl.ProcessCompleted += bl_ProcessCompleted;
bl.ProcessCompleted += bl1_ProcessCompleted;
bl.ProcessCompleted += bl2_ProcessCompleted;
bl.ProcessCompleted += bl3_ProcessCompleted;
bl.ProcessCompleted += bl4_ProcessCompleted;
bl.StartProcess();
bl.ProcessCompleted -= bl4_ProcessCompleted;
bl.StartProcess();
Console.ReadKey();
}