Introduction - If you have any usage issues, please Google them yourself
Screen lock software code using System using System.Collections.Generic using System.ComponentModel using System.Data using System.Drawing using System.Text using System.Windows.Forms using Microsoft.Win32 namespace screen lock software (public partial class full-screen: Form (public full-screen (string str) (InitializeComponent () this.textBox2.Text = str this.TopMost = true ) private void fullscreen _KeyDown (object sender, KeyEventArgs e) ( if (e.Alt == true & & e.KeyCode == Keys.F4) (e.Handled = true )