| public QueueValue ( DataValue value, ServiceResult error ) : void | ||
| value | DataValue | |
| error | ServiceResult | |
| Résultat | void | |
/// <summary>
/// Handles change events raised by the node.
/// </summary>
/// <param name="context">The system context.</param>
/// <param name="state">The node that raised the event.</param>
/// <param name="masks">What caused the event to be raised</param>
public void OnNodeChange(ISystemContext context, NodeState state, NodeStateChangeMasks masks)
{
if (m_monitoredItems != null)
{
for (int ii = 0; ii < m_monitoredItems.Count; ii++)
{
DataChangeMonitoredItem monitoredItem = m_monitoredItems[ii];
// check if the node has been deleted.
if ((masks & NodeStateChangeMasks.Deleted) != 0)
{
monitoredItem.QueueValue(null, StatusCodes.BadNodeIdUnknown);
continue;
}
if (monitoredItem.AttributeId == Attributes.Value)
{
if ((masks & NodeStateChangeMasks.Value) != 0)
{
monitoredItem.ValueChanged(context);
}
}
else
{
if ((masks & NodeStateChangeMasks.NonValue) != 0)
{
monitoredItem.ValueChanged(context);
}
}
}
}
}