/// <summary>
/// Shows an event in the control.
/// </summary>
private void ShowValue(ref int index, ref bool overwrite, EventFieldList value, int fieldIndex)
{
// ignore children that are not elements.
object field = value.EventFields[fieldIndex].Value;
if (field == null)
{
return;
}
// get the name of the element.
string name = null;
if (m_monitoredItem != null)
{
name = m_monitoredItem.GetFieldName(fieldIndex);
}
// get the type name.
string type = value.GetType().Name;
// update the list view.
UpdateList(
ref index,
ref overwrite,
value,
field,
fieldIndex,
name,
type);
}
/// <summary>
/// Convert to Datavalue
/// </summary>
/// <param name="eventFields"></param>
/// <param name="monitoredItem"></param>
/// <returns></returns>
public static DataValue ToDataValue(this EventFieldList eventFields,
MonitoredItem monitoredItem)
{
if (eventFields == null)
{
return(new DataValue(StatusCodes.BadNoData));
}
return(new DataValue {
ServerPicoseconds = 0,
ServerTimestamp = eventFields.GetEventValue <DateTime>(
BrowseNames.Time, monitoredItem),
SourcePicoseconds = 0,
SourceTimestamp = eventFields.GetEventValue <DateTime>(
BrowseNames.ReceiveTime, monitoredItem),
StatusCode = eventFields.GetEventValue <StatusCode>(
BrowseNames.StatusCode, monitoredItem),
Value = new EncodeableDictionary {
Fields = new KeyValuePairCollection(eventFields.EventFields
.Select((value, i) => new Opc.Ua.KeyValuePair {
Key = monitoredItem.GetFieldName(i),
Value = value
}))
}
});
}