注册表观察器c#实现RegistryKeyChangeEvent
本文关键字:实现 RegistryKeyChangeEvent 观察 注册表 | 更新日期: 2023-09-27 18:16:55
好的,我试了一下,看了看这个。我遵循我的代码-
// Construct the query string:HKEY_LOCAL_MACHINE
string queryString = string.Format(@"SELECT * FROM RegistryKeyChangeEvent WHERE Hive = 'HKEY_LOCAL_MACHINE' AND KeyPath = 'SOFTWARE''Microsoft''Windows''CurrentVersion''Uninstall' ");
WqlEventQuery query = new WqlEventQuery();
query.QueryString = queryString;
query.EventClassName = "RegistryKeyChangeEvent";
query.WithinInterval = new TimeSpan(0, 0, 0, 1);
this.Query = query;
this.EventArrived += new EventArrivedEventHandler(RegistryWatcher_EventArrived);
不幸的是,当我调用Start()
时,它会引发一个异常- ManagementException,并说"不可解析的查询。"
经过一些变通,我找到了用ManagementScope代替WqlEventQuery一劳永逸地解决它的方法:
ManagementScope Scope = new ManagementScope("''''.''root''default");
EventQuery Query = new EventQuery(@"SELECT * FROM RegistryKeyChangeEvent WHERE Hive='HKEY_LOCAL_MACHINE' AND KeyPath='SOFTWARE''Microsoft''Windows''CurrentVersion''Uninstall'");
ManagementEventWatcher watcher = new ManagementEventWatcher(Scope, Query);
m_watcher.EventArrived += new EventArrivedEventHandler(RegistryWatcher_EventArrived);
m_watcher.Start();
它解析查询的方式似乎有问题,但现在它很好。