/// <summary>
/// Constructor -- initializes all members
/// </summary>
/// <param name="wszSource"></param>
/// <param name="wszCondition"></param>
/// <param name="cond"></param>
public OnEventClass(string wszSource, string wszCondition, OPCCondition cond)
{
m_oes.pEventAttributes = IntPtr.Zero;
m_oes.dwNumEventAttrs = 0;
m_oes.wChangeMask = cond.ChangeMask;
m_oes.wNewState = cond.NewState;
m_oes.szSource = wszSource;
m_oes.ftTime = ComUtils.GetFILETIME(cond.Time);
m_oes.szMessage = cond.Message;
m_oes.dwEventType = cond.EventType;
m_oes.dwEventCategory = cond.EventCategory;
m_oes.dwSeverity = cond.Severity;
m_oes.szConditionName = wszCondition;
m_oes.szSubconditionName = cond.SubconditionName;
m_oes.wQuality = cond.Quality;
m_oes.bAckRequired = cond.AckRequired ?1:0;
m_oes.ftActiveTime = ComUtils.GetFILETIME(cond.SubconditionTime);
m_oes.dwCookie = cond.Cookie;
m_oes.szActorID = cond.ActorID;
m_EventAttributes = (Dictionary <int, object>)DeepCopy(cond.EventAttributes);
}
/// <summary>
/// Marshals an event for return to the client.
/// </summary>
private OpcRcw.Ae.ONEVENTSTRUCT Translate(AeEvent e)
{
OpcRcw.Ae.ONEVENTSTRUCT e2 = new ONEVENTSTRUCT();
e2.wNewState = 0;
e2.wChangeMask = 0xFF;
e2.szSource = e.SourceName;
e2.wQuality = ComUtils.GetQualityCode(e.Quality);
e2.dwEventType = e.Category.EventType;
e2.dwEventCategory = (int)e.Category.LocalId;
e2.bAckRequired = 0;
e2.dwSeverity = e.Severity;
e2.ftTime = ComUtils.GetFILETIME(e.Time);
e2.szMessage = (e.Message != null) ? e.Message.Text : null;
e2.szActorID = e.AuditUserId;
e2.dwCookie = e.Cookie;
if (e.AttributeValues != null && e.AttributeValues.Length > 0)
{
e2.dwNumEventAttrs = e.AttributeValues.Length;
e2.pEventAttributes = ComUtils.GetVARIANTs(e.AttributeValues, true);
}
if ((e2.dwEventType & OpcRcw.Ae.Constants.CONDITION_EVENT) != 0)
{
e2.szConditionName = e.ConditionName;
e2.ftActiveTime = ComUtils.GetFILETIME(e.ActiveTime);
e2.bAckRequired = (e.AckedState)?0:1;
// set the condition state.
e2.wNewState = 0;
if (e.EnabledState)
{
e2.wNewState |= OpcRcw.Ae.Constants.CONDITION_ENABLED;
}
if (e.AckedState)
{
e2.wNewState |= OpcRcw.Ae.Constants.CONDITION_ACKED;
}
if (e.ActiveState)
{
e2.wNewState |= OpcRcw.Ae.Constants.CONDITION_ACTIVE;
}
// set the subcondition if available.
if (!LocalizedText.IsNullOrEmpty(e.LowState))
{
e2.szSubconditionName = e.LowState.Text;
}
if (!LocalizedText.IsNullOrEmpty(e.HighState))
{
e2.szSubconditionName = e.HighState.Text;
}
if (!LocalizedText.IsNullOrEmpty(e.LowLowState))
{
e2.szSubconditionName = e.LowLowState.Text;
}
if (!LocalizedText.IsNullOrEmpty(e.HighHighState))
{
e2.szSubconditionName = e.HighHighState.Text;
}
if (!LocalizedText.IsNullOrEmpty(e.LimitState))
{
e2.szSubconditionName = e.LimitState.Text;
}
}
if (e2.szMessage == null)
{
e2.szMessage = String.Empty;
}
if (e2.szSource == null)
{
e2.szSource = String.Empty;
}
if (e2.szConditionName == null)
{
e2.szConditionName = String.Empty;
}
if (e2.szSubconditionName == null)
{
e2.szSubconditionName = String.Empty;
}
if (e2.szActorID == null)
{
e2.szActorID = String.Empty;
}
return(e2);
}