private OperationHandle EnumerateAssociatedInstancesCore(string namespaceName, CimInstance sourceInstance, string associationClassName, string resultClassName, string sourceRole, string resultRole, CimOperationOptions options, CimAsyncCallbacksReceiverBase asyncCallbacksReceiver) { OperationHandle operationHandle = null; SessionMethods.AssociatorInstances(this._handle, options.GetOperationFlags(), options.GetOperationOptionsHandle(), namespaceName, sourceInstance.InstanceHandle, associationClassName, resultClassName, sourceRole, resultRole, options.GetKeysOnly(), options.GetOperationCallbacks(asyncCallbacksReceiver), out operationHandle); return operationHandle; }