ManagementException : Invalid parameter异常如何解决？
ManagementScope Conn = new ManagementScope("＼＼＼＼" + txtWmiIpOrAddress.Text + "＼＼root＼＼cimv2", options);　处报错：ManagementException : Invalid parameter

[解决办法]
貌似是你斜线是半角的吧？？？
ManagementScope Conn = new ManagementScope("＼＼＼＼" + txtWmiIpOrAddress.Text + "＼＼root＼＼cimv2", options);

ManagementScope 类
===================》

ManagementScope Conn = new ManagementScope("\\\\FullComputerName\\root\\cimv2");
scope.Connect();

详细参考：MSDN
http://msdn.microsoft.com/zh-cn/library/system.management.managementscope%28VS.80%29.aspx

[解决办法]
目测反斜杠是全角的，全角字符不是合法的路径字符，