private void GetMethodParameters(string methodName, out ManagementBaseObject inParameters, out IWbemClassObjectFreeThreaded inParametersClass, out IWbemClassObjectFreeThreaded outParametersClass)
{
inParameters = null;
inParametersClass = null;
outParametersClass = null;
if (methodName != null)
{
this.Initialize(false);
if (this.wmiClass == null)
{
ManagementPath classPath = this.ClassPath;
if (classPath == null || !classPath.IsClass)
{
throw new InvalidOperationException();
}
else
{
ManagementClass managementClass = new ManagementClass(this.scope, classPath, null);
managementClass.Get();
this.wmiClass = managementClass.wbemObject;
}
}
int method_ = this.wmiClass.GetMethod_(methodName, 0, out inParametersClass, out outParametersClass);
if (method_ == -2147217406)
{
method_ = -2147217323;
}
if (method_ >= 0 && inParametersClass != null)
{
IWbemClassObjectFreeThreaded wbemClassObjectFreeThreaded = null;
method_ = inParametersClass.SpawnInstance_(0, out wbemClassObjectFreeThreaded);
if (method_ >= 0)
{
inParameters = new ManagementBaseObject(wbemClassObjectFreeThreaded);
}
}
if (method_ < 0)
{
if (((long)method_ & (long)-4096) != (long)-2147217408)
{
Marshal.ThrowExceptionForHR(method_);
}
else
{
ManagementException.ThrowWithExtendedInfo((ManagementStatus)method_);
return;
}
}
return;
}
else
{
throw new ArgumentNullException("methodName");
}
}
private void GetMethodParameters(
string methodName,
out ManagementBaseObject inParameters,
out IWbemClassObjectFreeThreaded inParametersClass,
out IWbemClassObjectFreeThreaded outParametersClass)
{
inParameters = null;
inParametersClass = null;
outParametersClass = null;
if (null == methodName)
throw new ArgumentNullException("methodName");
else
{
Initialize ( false ) ;
// Do we have the class?
if (null == wmiClass)
{
ManagementPath classPath = ClassPath;
if ((null == classPath) || !(classPath.IsClass))
throw new InvalidOperationException();
else
{
ManagementClass classObject =
new ManagementClass(scope, classPath, null);
classObject.Get();
wmiClass = classObject.wbemObject;
}
}
int status = (int)ManagementStatus.NoError;
// Ask it for the method parameters
status = wmiClass.GetMethod_(methodName, 0, out inParametersClass, out outParametersClass);
// bug#92427 - To ensure that all forms of invoke return the same error codes when
// the method does not exist, we will map WBEM_E_NOT_FOUND to WBEM_E_METHOD_NOT_IMPLEMENTED.
if(status == (int)tag_WBEMSTATUS.WBEM_E_NOT_FOUND)
status = (int)tag_WBEMSTATUS.WBEM_E_METHOD_NOT_IMPLEMENTED;
if (status >= 0)
{
// Hand out instances
if (inParametersClass != null)
{
IWbemClassObjectFreeThreaded inParamsInstance = null;
status = inParametersClass.SpawnInstance_(0, out inParamsInstance);
if (status >= 0)
{
inParameters = new ManagementBaseObject(inParamsInstance);
}
}
}
if (status < 0)
{
if ((status & 0xfffff000) == 0x80041000)
ManagementException.ThrowWithExtendedInfo((ManagementStatus)status);
else
Marshal.ThrowExceptionForHR(status);
}
}
}
