HANDLE CreateEvent( LPSECURITY_ATTRIBUTES lpEventAttributes, BOOL bManualReset, BOOL bInitialState, LPTSTR lpName );
LPSECURITY_ATTRIBUTES lpEventAttributes,安全属性内核对象都有的
BOOL bManualReset,是否需要人工重置
BOOL bInitialState,初始化状态是否信号置起
LPTSTR lpName,Event名称
ResetEvent SetEvent参数就是CreateEvent产生HANDLE