50 lines
1.4 KiB
C#
50 lines
1.4 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using System.Runtime.InteropServices;
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namespace USB_Lockdown
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{
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public partial class lockScreen : Form
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{
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[DllImport("user32.dll")]
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[return: MarshalAs(UnmanagedType.Bool)]
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static extern bool SetForegroundWindow(IntPtr hWnd);
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public lockScreen()
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{
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InitializeComponent();
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KeyboardLock.enable();
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setupWindow();
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}
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private void setupWindow()
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{
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this.StartPosition = FormStartPosition.CenterScreen;
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this.Height = SystemInformation.VirtualScreen.Height;
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this.Width = SystemInformation.VirtualScreen.Width;
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this.WindowState = FormWindowState.Maximized;
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this.BackColor = Color.Black;
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this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
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SetForegroundWindow(this.Handle);
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this.ShowInTaskbar = false;
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}
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private void onClosing(object sender, FormClosingEventArgs e)
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{
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if (e.CloseReason == CloseReason.UserClosing) { e.Cancel = true; } //disables alt+F4
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}
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private void keepForeground(object sender, EventArgs e) { SetForegroundWindow(this.Handle); }
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}
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}
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