DisableGesture.cs

        [DllImport("user32")]
        [return: MarshalAs(UnmanagedType.Bool)]
        private static extern bool SetGestureConfig(IntPtr hWnd, int dwReserved, int cIDs, ref Gestureconfig pGestureConfig, int cbSize);
        
        [StructLayout(LayoutKind.Sequential)]
        private struct Gestureconfig
        {
            public int dwID;
            public int dwWant;
            public int dwBlock;
        }
        
        private const int GC_ALLGESTURES = 0x00000001;
        readonly Gestureconfig _gc = new Gestureconfig
        {
            dwID = 0,
            dwWant = 0,                 //必要であればこちらにGC_ALLGESTURES
            dwBlock = GC_ALLGESTURES    //必要であればこちらに0
        };

        public Form1()
        {
            InitializeComponent();
            
            SetGestureConfig(
                this.Handle,
                0,
                1,
                ref this._gc,
                Marshal.SizeOf(new Gestureconfig())
            );
        }