C# WMI实例更新失败
我正在尝试使用C#更新WMI实例,下面是MSDN中的一个示例,但我无法让它工作。它解雇了我一个“System.Management.ManagementException”,但没有给我任何答案。你能告诉我我做错了什么吗C# WMI实例更新失败,c#,wmi,wmi-query,C#,Wmi,Wmi Query,我正在尝试使用C#更新WMI实例,下面是MSDN中的一个示例,但我无法让它工作。它解雇了我一个“System.Management.ManagementException”,但没有给我任何答案。你能告诉我我做错了什么吗 public void UpdateInstance(string parametersJSON) { JavaScriptSerializer serializer = new JavaScriptSerializer(); ob
public void UpdateInstance(string parametersJSON)
{
JavaScriptSerializer serializer = new JavaScriptSerializer();
object result = serializer.Deserialize(parametersJSON, typeof(object));
Dictionary<string, object> dic = (Dictionary<string, object>)result;
PutOptions options = new PutOptions();
options.Type = PutType.UpdateOnly;
ManagementObject objHostSetting = new ManagementObject();
objHostSetting.Scope = new ManagementScope("root\\onguard");
objHostSetting.Path = new ManagementPath("Lnl_Cardholder.SSNO = '33263085'"); // This is the line that fires the exception
foreach (KeyValuePair<string, object> value in dic)
{
objHostSetting[value.Key] = value.Value.ToString();
}
//update the ManagementObject
objHostSetting.Put(options);
}
public void UpdateInstance(字符串参数json)
{
JavaScriptSerializer serializer=新的JavaScriptSerializer();
object result=serializer.Deserialize(parametersJSON,typeof(object));
Dictionary dic=(Dictionary)结果;
PutOptions=新的PutOptions();
options.Type=PutType.UpdateOnly;
ManagementObject objHostSetting=新建ManagementObject();
objHostSetting.Scope=新的管理范围(“根\\onguard”);
objHostSetting.Path=new ManagementPath(“Lnl_carder.SSNO='33263085');//这是引发异常的行
foreach(dic中的KeyValuePair值)
{
objHostSetting[value.Key]=value.value.ToString();
}
//更新ManagementObject
objHostSetting.Put(期权);
}
我将代码更改为此,现在可以工作了:
public void UpdateInstance(string scope, string query, string parametersJSON)
{
WindowsImpersonationContext impersonatedUser = WindowsIdentity.GetCurrent().Impersonate();
JavaScriptSerializer serializer = new JavaScriptSerializer();
object result = serializer.Deserialize(parametersJSON, typeof(object));
Dictionary<string, object> dic = (Dictionary<string, object>)result;
ManagementObjectSearcher searcher;
searcher = new ManagementObjectSearcher(scope, query);
EnumerationOptions options = new EnumerationOptions();
options.ReturnImmediately = true;
foreach (ManagementObject m in searcher.Get())
{
foreach (KeyValuePair<string, object> k in dic)
{
m.Properties[k.Key].Value = k.Value;
}
m.Put();
}
}
public void UpdateInstance(字符串范围、字符串查询、字符串参数json)
{
WindowsImpersonationContext impersonatedUser=WindowsIdentity.GetCurrent().Impersonate();
JavaScriptSerializer serializer=新的JavaScriptSerializer();
object result=serializer.Deserialize(parametersJSON,typeof(object));
Dictionary dic=(Dictionary)结果;
ManagementObjectSearcher搜索器;
searcher=新的ManagementObjectSearcher(范围、查询);
EnumerationOptions=新的EnumerationOptions();
options.returninstally=true;
foreach(searcher.Get()中的ManagementObject m)
{
foreach(驾驶员信息中心中的KeyValuePair k)
{
m、 属性[k.Key].Value=k.Value;
}
m、 Put();
}
}