Public Function GetFilter( _
   ByRef EventType As Integer, _
   ByRef EventCategories As Integer(), _
   ByRef LowSeverity As Integer, _
   ByRef HighSeverity As Integer, _
   ByRef AreaList As String(), _
   ByRef SourceList As String() _
) As Integer

public int GetFilter( 
   out int EventType,
   out int[] EventCategories,
   out int LowSeverity,
   out int HighSeverity,
   out string[] AreaList,
   out string[] SourceList
)

Parameters

EventType

A bit map specifying which event types are of allowed through the filter; OPC_SIMPLE_EVENT, OPC_CONDITION_EVENT, OPC_TRACKING_EVENT, OPC_ALL_EVENTS. These types can be OR’ed together to filter multiple types.

EventCategories

Array of event categories for the filter.

LowSeverity

Lowest severity allowed through filter. If the server does not support filtering on severity, the returned value will be 1.

HighSeverity

Highest severity allowed through filter. If the server does not support filtering on severity, the returned value will be 1000.

AreaList

List of process areas for the filter.

SourceList

List of sources for the filter.

Return Value

Target Platforms: Windows 7/8/10, Windows Server 2003/2008/2012/2016, .NET 4.x

See Also