| public OnNodeChange ( ISystemContext context, NodeState state, NodeStateChangeMasks masks ) : void | ||
| context | ISystemContext | The system context. |
| state | NodeState | The node that raised the event. |
| masks | NodeStateChangeMasks | What caused the event to be raised |
| Результат | void | |
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);
}
}
}
}
}
