Public Overridable Function onSetFilter( _
   ByVal _eventType As Integer, _
   ByVal eventCategories() As Integer, _
   ByVal lowSeverity As Integer, _
   ByVal highSeverity As Integer, _
   ByVal areaList() As String, _
   ByVal sourceList() As String _
) As Integer

public virtual int onSetFilter( 
   int _eventType,
   int[] eventCategories,
   int lowSeverity,
   int highSeverity,
   string[] areaList,
   string[] sourceList
)

Parameters

_eventType

A bit mask with Red EventType enumerator values, specifying which event types are of interest. A value of 0 is an error and E_INVALIDARG will be returned.

eventCategories

Array of event categories of interest. These are event category codes returned by EventServer:.QueryEventCategories.

lowSeverity

Lowest severity of interest (inclusive).

highSeverity

Highest severity of interest (inclusive).

areaList

Array of process area strings of interest - only events or conditions in these areas will be reported. Area strings can be obtained using EventAreaBrowser.GetQualifiedAreaName. It is possible to specify areas using the wildcard syntax. Servers must support the wildcard syntax described in OPC specification Appendix A.

sourceList

Array of event sources of interest - only events from these sources will be reported. It is possible to specify sources using the wildcard syntax. Servers must support the wildcard syntax described in OPC specification Appendix A.

Return Value

Reference