Tsukikage.WindowsUtil.TouchMessageDecoder.DecodeTouch C# (CSharp) Метод

        public void DecodeTouch(ref Message m)
        {
            if (m.Msg != Win32.WM_TOUCH)
            {
                // WM_TOUCHではない。
                return;
            }

            int touchInputSize = Marshal.SizeOf(inputBuffer[0]);
            int inputCount = (ushort)m.WParam.ToInt32();
            if (inputCount > inputBuffer.Length)
            {
                Win32.CloseTouchInputHandle(m.LParam);
                m.Result = IntPtr.Zero;
                return;
            }

            if (!Win32.GetTouchInputInfo(m.LParam, inputCount, inputBuffer, touchInputSize))
            {
                Win32.CloseTouchInputHandle(m.LParam);
                m.Result = IntPtr.Zero;
                Debug.Print("Error on GetTouchInputInfo.");
                return;
            }

            for (int i = 0; i < inputCount; i++)
            {
                TouchEvent e = inputBuffer[i];

                Win32.POINT p = new Win32.POINT() { X = e.X / 100, Y = e.Y / 100 };
                Win32.ScreenToClient(m.HWnd, ref p);
                e.X = p.X;
                e.Y = p.Y;
                e.Width = e.HasContact ? e.Width / 100 : 0;
                e.Height = e.HasContact ? e.Height / 100 : 0;

                //Debug.Print("ID{4}-{7} x{0} y{1} w{2} h{3} P{5} R{6}",
                //    e.X, e.Y, e.Width, e.Height, e.ID,
                //    e.Primary, e.InRange,
                //    (e.Down ? "D" : e.Up ? "U" : "M")
                //    );

                if (TouchEvent != null)
                {
                    TouchEvent(this, e);
                }
            }

            Win32.CloseTouchInputHandle(m.LParam);
            return;
        }