System.Windows.Forms.HexBox.PreProcessMessage C# (CSharp) Method

        public override bool PreProcessMessage(ref Message m)
        {
            switch(m.Msg)
            {
                case NativeMethods.WM_KEYDOWN:
                    return _keyInterpreter.PreProcessWmKeyDown(ref m);
                case NativeMethods.WM_CHAR:
                    return _keyInterpreter.PreProcessWmChar(ref m);
                case NativeMethods.WM_KEYUP:
                    return _keyInterpreter.PreProcessWmKeyUp(ref m);
                default:
                    return base.PreProcessMessage (ref m);
            }
        }