if (kbShiftKey) {
_registerIfUnknown(0, 0, 0, scanCode, 0, 1, 0, keyCode); // ScanCode => Shift+KeyCode
_registerIfUnknown(0, 0, 1, scanCode, 0, 1, 1, keyCode); // Alt+ScanCode => Shift+Alt+KeyCode
_registerIfUnknown(1, 0, 0, scanCode, 1, 1, 0, keyCode); // Ctrl+ScanCode => Ctrl+Shift+KeyCode
_registerIfUnknown(1, 0, 1, scanCode, 1, 1, 1, keyCode); // Ctrl+Alt+ScanCode => Ctrl+Shift+Alt+KeyCode
} else {
// ScanCode => KeyCode