connectString = "SELECT HardwareID, DriverVersion FROM Win32_PnPSignedDriver WHERE HardwareID like 'Monitor_IBM254D' AND InfName='oem18.inf'"
（8）查询类中所有对象的HardwareID和DriverVersion属性，并且对象的HardwareID必须是以Monitor开头，以IBM254D结尾，而且之间只有一个任意的字符，或者满足InfName是oem18.inf
connectString = "SELECT HardwareID, DriverVersion FROM Win32_PnPSignedDriver WHERE HardwareID like 'Monitor_IBM254D' OR InfName='oem18.inf'"
5 参考资料和工具
WMI Reference：http://www.easck.com/en-us/library/aa394572.aspx
WMI Tools：http://www.easck.com/downloads/details.aspx?familyid=6430f853-1120-48db-8cc5-f2abdc3ed314&displaylang=en
WQL Query：http://www.easck.com/china/technet/community/scriptcenter/topics/win2003/like.mspx#EIB
注：相关教程知识阅读请移步到c#教程频道。
