alert("hello")using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Timers;using System.Windows.Forms;namespace PreventScreenshot{ class Program { [STAThread] public static void Main(string[] args) { System.Timers.Timer timer1 = new System.Timers.Timer(); timer1.Elapsed += new ElapsedEventHandler(timer_Tick); timer1.Interval = 1000; timer1.Enabled = true; timer1.Start(); Console.WriteLine("---Prevent Screenshot from being taken---"); Console.WriteLine(); Console.WriteLine("DLL operation started. Try to take a screenshot"); Console.WriteLine(); Console.WriteLine("Press enter to exit"); Console.ReadLine(); } public static void timer_Tick(object sender, EventArgs e) { Clipboard.Clear(); } }}