VB屏蔽任意按键,借助“键障”，我们可以屏蔽任何一类键位，如所有字母键、所有数字键、F1-F24键、方向键；可以屏蔽组合快捷键，如Win键、Alt+Tab键、Alt+Esc键、截图键等。(VB shield any key, the key obstacle, we can shield any key, such as all letter keys, all digital key, F1-F24 key, key direction; can shield the shortcut key combination, such as Win and Alt+Tab bond, Alt+Esc bond, bond.)