替换gina，实现自己的windows登陆过程-Replace gina, realize their windows landing process

GINA:A Graphical Identification and Authentication dynamic-link library (DLL). The GINA is a replaceable DLL component that is loaded by the Winlogon executable. -GINA: A Graphical Identification and Authentication dynam

完整的gina开发例子，实现安全登录时的参考-Gina complete development example, when the security log on the reference

实现windows登陆机制的简单gina程序-Mechanism to achieve a simple gina windows login procedure