static void Main(string[] args) { eh.CheckEventLog(); //sluiten van app door user _handler += new EventHandler(Handler); SetConsoleCtrlHandler(_handler, true); //sluiten van app door user //Beveiliging instellen van webservice System.Net.ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Ssl3 | System.Net.SecurityProtocolType.Tls12 | System.Net.SecurityProtocolType.Tls11; SettingsHelper sh = new SettingsHelper(); if (sh.ValidateUsernameFormat()) { StartProgram(); } }