public static CefColorModel get_color_model(cef_print_settings_t *self)
        {
            get_color_model_delegate d;
            var p = self->_get_color_model;

            if (p == _p15)
            {
                d = _d15;
            }
            else
            {
                d = (get_color_model_delegate)Marshal.GetDelegateForFunctionPointer(p, typeof(get_color_model_delegate));
                if (_p15 == IntPtr.Zero)
                {
                    _d15 = d; _p15 = p;
                }
            }
            return(d(self));
        }
 public static CefColorModel get_color_model(cef_print_settings_t* self)
 {
     get_color_model_delegate d;
     var p = self->_get_color_model;
     if (p == _p15) { d = _d15; }
     else
     {
         d = (get_color_model_delegate)Marshal.GetDelegateForFunctionPointer(p, typeof(get_color_model_delegate));
         if (_p15 == IntPtr.Zero) { _d15 = d; _p15 = p; }
     }
     return d(self);
 }