internal ParameterContext(string className, WbemNative.IWbemServices wbemServices, WbemNative.IWbemContext wbemContext, WbemNative.IWbemObjectSink wbemSink)
{
this.className = className;
this.wbemServices = wbemServices;
this.wbemContext = wbemContext;
this.wbemSink = wbemSink;
}
void RelocateWbemServicesRCWToMTA(object comObject)
{
IntPtr pUnk = Marshal.GetIUnknownForObject(comObject);
Marshal.ReleaseComObject(comObject);
this.wbemServices = (WbemNative.IWbemServices)Marshal.GetObjectForIUnknown(pUnk);
Marshal.Release(pUnk);
}
int WbemNative.IWbemServices.OpenNamespace(
string nameSpace,
Int32 flags,
WbemNative.IWbemContext wbemContext,
ref WbemNative.IWbemServices wbemServices,
IntPtr wbemCallResult
)
{
return((int)WbemNative.WbemStatus.WBEM_E_NOT_SUPPORTED);
}
int WbemNative.IWbemProviderInit.Initialize(
string wszUser,
Int32 lFlags,
string wszNamespace,
string wszLocale,
WbemNative.IWbemServices wbemServices,
WbemNative.IWbemContext wbemContext,
WbemNative.IWbemProviderInitSink wbemSink
)
{
if (wbemServices == null || wbemContext == null || wbemSink == null)
{
return((int)WbemNative.WbemStatus.WBEM_E_INVALID_PARAMETER);
}
try
{
MTAExecute(new WaitCallback(this.RelocateWbemServicesRCWToMTA), wbemServices);
wbemSink.SetStatus((int)WbemNative.tag_WBEM_EXTRA_RETURN_CODES.WBEM_S_INITIALIZED, 0);
}
catch (WbemException e)
{
wbemSink.SetStatus(e.ErrorCode, 0);
return(e.ErrorCode);
}
#pragma warning suppress 56500 // covered by FxCOP
catch (Exception)
{
wbemSink.SetStatus((int)WbemNative.WbemStatus.WBEM_E_FAILED, 0);
return((int)WbemNative.WbemStatus.WBEM_E_FAILED);
}
finally
{
// WMI relies on destructor of this interface to perform certain task
// explicitly release this so that the GC won't hold on to the ref of
// this after the function
Marshal.ReleaseComObject(wbemSink);
}
return((int)WbemNative.WbemStatus.WBEM_S_NO_ERROR);
}
internal ParameterContext(string className, WbemNative.IWbemServices wbemServices, WbemNative.IWbemContext wbemContext, WbemNative.IWbemObjectSink wbemSink)
{
this.className = className;
this.wbemServices = wbemServices;
this.wbemContext = wbemContext;
this.wbemSink = wbemSink;
}
private void RelocateWbemServicesRCWToMTA(object comObject)
{
IntPtr iUnknownForObject = Marshal.GetIUnknownForObject(comObject);
Marshal.ReleaseComObject(comObject);
this.wbemServices = (WbemNative.IWbemServices) Marshal.GetObjectForIUnknown(iUnknownForObject);
Marshal.Release(iUnknownForObject);
}
int WbemNative.IWbemServices.OpenNamespace(string nameSpace, int flags, WbemNative.IWbemContext wbemContext, ref WbemNative.IWbemServices wbemServices, IntPtr wbemCallResult)
{
return(-2147217396);
}
int WbemNative.IWbemProviderInit.Initialize(string wszUser, int lFlags, string wszNamespace, string wszLocale, WbemNative.IWbemServices wbemServices, WbemNative.IWbemContext wbemContext, WbemNative.IWbemProviderInitSink wbemSink)
{
if (((wbemServices == null) || (wbemContext == null)) || (wbemSink == null))
{
return(-2147217400);
}
try
{
MTAExecute(new WaitCallback(this.RelocateWbemServicesRCWToMTA), wbemServices);
wbemSink.SetStatus(0, 0);
}
catch (WbemException exception)
{
wbemSink.SetStatus(exception.ErrorCode, 0);
return(exception.ErrorCode);
}
catch (Exception)
{
wbemSink.SetStatus(-2147217407, 0);
return(-2147217407);
}
finally
{
Marshal.ReleaseComObject(wbemSink);
}
return(0);
}
