using System.Runtime.InteropServices;

        [DllImport("user32.dll")] 
        private static extern int RegisterHotKey(int hWnd, int id, int fsModifiers, int vk);

        [DllImport("user32.dll")]
        private static extern int UnRegisterHotKey(int hWnd, int id);

        protected override void WndProc(ref Message m)
        {
            if (m.Msg == (int)0x312)
            {
                if(m.WParam == (IntPtr)0x1)
                {

                }
            }
            base.WndProc(ref m);
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            RegisterHotKey((int)this.Handle, 1, 0x1, (int)Keys.);

        }
        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            UnRegisterHotKey((int)this.Handle, 1);
        }

딜 임포트해서 사용중이었는데 패치하고 먹질 않습니당..