/// <summary>
/// Initializes object with the specified ItemValueResult object.
/// </summary>
public ItemValueResult(ItemValueResult item)
: base(item)
{
if (item != null)
{
ResultID = item.ResultID;
DiagnosticInfo = item.DiagnosticInfo;
}
}
/// <summary>
/// Creates an array of item value result objects from the callback data.
/// </summary>
private ItemValueResult[] UnmarshalValues(
int dwCount,
int[] phClientItems,
object[] pvValues,
short[] pwQualities,
OpcRcw.Da.FILETIME[] pftTimeStamps,
int[] pErrors)
{
// contruct the item value results.
ItemValueResult[] values = new ItemValueResult[dwCount];
for (int ii = 0; ii < values.Length; ii++)
{
// lookup the external client handle.
ItemIdentifier itemID = (ItemIdentifier)m_group.Items[phClientItems[ii]];
values[ii] = new ItemValueResult(itemID);
//values[ii].ClientHandle = phClientItems[ii];
values[ii].Value = pvValues[ii];
values[ii].Quality = new Quality(pwQualities[ii]);
values[ii].QualitySpecified = true;
FILETIME output = new FILETIME();
output.dwLowDateTime = pftTimeStamps[ii].dwLowDateTime;
output.dwHighDateTime = pftTimeStamps[ii].dwHighDateTime;
values[ii].Timestamp = OpcDa.Client.Com.Interop.GetFILETIME(output);
values[ii].TimestampSpecified = values[ii].Timestamp != DateTime.MinValue;
values[ii].ResultID = OpcDa.Client.Com.Interop.GetResultID(pErrors[ii]);
values[ii].DiagnosticInfo = null;
// convert COM code to unified DA code.
if (pErrors[ii] == ResultIDs.E_BADRIGHTS)
{
values[ii].ResultID = new ResultID(ResultID.Da.E_WRITEONLY, ResultIDs.E_BADRIGHTS);
}
}
// return results
return(values);
}
