cadencii.winmmhelp.JoyGetStatus C# (CSharp) Method

        public static boolean JoyGetStatus( int index_, out byte[] buttons, out int pov ) {
            if ( !s_initialized ) {
                pov = -1;
                buttons = new byte[0];
                return false;
            }
            if ( s_num_joydev == 0 || index_ < 0 || (int)s_num_joydev <= index_ ) {
                pov = -1;
                buttons = new byte[0];
                return false;
            }
            int index = s_joy_available[index_];
            int len = (int)s_joycaps[index].wNumButtons;
            buttons = new byte[len];
            pov = -1;
            JOYINFOEX ji_ex = new JOYINFOEX();
            JOYCAPSW jcs = s_joycaps[index];
            ji_ex.dwSize = (ushort)Marshal.SizeOf( ji_ex );
            if ( (jcs.wCaps & win32.JOYCAPS_HASPOV) == win32.JOYCAPS_HASPOV ) {
                ji_ex.dwFlags = win32.JOY_RETURNPOV | win32.JOY_RETURNBUTTONS;
            } else {
                ji_ex.dwFlags = win32.JOY_RETURNBUTTONS | win32.JOY_RETURNX | win32.JOY_RETURNY;
            }

            if ( s_joy_attatched[index] ) {
                uint ret_getpos = win32.joyGetPosEx( (uint)index, ref ji_ex );
                if ( ret_getpos == win32.JOYERR_NOERROR ) {
                    if ( (jcs.wCaps & win32.JOYCAPS_HASPOV) == win32.JOYCAPS_HASPOV ) {
                        pov = (int)ji_ex.dwPOV;
                        if ( (0xffff & ji_ex.dwPOV) == 0xffff ) {
                            pov = -1;
                        }
                    } else {
                        int flag = 0;
                        if ( ji_ex.dwXpos < jcs.wXmin + (jcs.wXmax - jcs.wXmin) / 3 ) flag = flag | 1;
                        if ( ji_ex.dwYpos < jcs.wYmin + (jcs.wYmax - jcs.wYmin) / 3 ) flag = flag | 2;
                        if ( ji_ex.dwXpos > jcs.wXmax - (jcs.wXmax - jcs.wXmin) / 3 ) flag = flag | 4;
                        if ( ji_ex.dwYpos > jcs.wYmax - (jcs.wYmax - jcs.wYmin) / 3 ) flag = flag | 8;
                        if ( flag == 1 ) pov = 27000;//左
                        if ( flag == 2 ) pov = 0;//上
                        if ( flag == 4 ) pov = 9000;//右
                        if ( flag == 8 ) pov = 18000;//下
                        if ( flag == 3 ) pov = 31500;//左上
                        if ( flag == 6 ) pov = 4500;//右上
                        if ( flag == 12 ) pov = 13500;//右下
                        if ( flag == 9 ) pov = 22500;//左下
                    }
                    for ( int i = 0; i < len && i < jcs.wNumButtons; i++ ) {
                        buttons[i] = (((uint)ji_ex.dwButtons & _BTN[i]) != 0x0) ? (byte)0x80 : (byte)0x00;
                    }
                    return true;
                } else {
                    return false;
                }
            } else {
                return false;
            }
        }