此代码示范在Windows XP中如何实现屏蔽CTRL+ALT+DEL组合键序列，任务切换组合键序列（Alt+Tab），任务栏和“开始”菜单（Ctrl+Esc，VK_LWIN，VK_RWIN）。-this model code in Windows XP how to achieve shielding CTRL ALT DEL key sequence composition, mandate bond portfolio switching sequence (Alt-Tab), the t