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问题描述



在调用WMI的 searcher.Get()方法时抛出异常,是什么原因?


以下异常堆栈


消息:

  指定的演员表无效。

StackTrace:

  在System.StubHelpers.InterfaceMarshaler.ConvertToNative(Object objSrc,IntPtr itfMT,IntPtr classMT,Int32 flags)

   at System.Management.SecuredIWbemServicesHandler.ExecQuery_(String strQueryLanguage,String strQuery,Int32 lFlags,IWbemContext pCtx,IEnumWbemClassObject& ppEnum)

  在System.Management.ManagementObjectSearcher.Get()


以下代码

 var searcher = new ManagementObjectSearcher(@" root \\ \\ cimv2",
" SELECT * FROM Win32_DiskDrive");

foreach(searcher.Get()中的ManagementObject项目)
{
//列表项目代码
}
解决方案

Hi,

throw exception when call the WMI's searcher.Get() method , what's reason?

following exception stack

Message:
   Specified cast is not valid.
StackTrace:
   at System.StubHelpers.InterfaceMarshaler.ConvertToNative(Object objSrc, IntPtr itfMT, IntPtr classMT, Int32 flags)
   at System.Management.SecuredIWbemServicesHandler.ExecQuery_(String strQueryLanguage, String strQuery, Int32 lFlags, IWbemContext pCtx, IEnumWbemClassObject& ppEnum)
   at System.Management.ManagementObjectSearcher.Get()

following code

var searcher = new ManagementObjectSearcher(@"root\cimv2",
                "SELECT * FROM Win32_DiskDrive");

foreach (ManagementObject item in searcher.Get())
{
   //list item code
}
解决方案


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09-15 23:34