DANSrvAE Reference
QueryAvailableFilters Method
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NSPlugin Assembly > NSPlugin Namespace > AlarmEventServer Class : QueryAvailableFilters Method

filterMask
This is a pointer to a bit mask which indicates which types of filtering are supported by the server. See below for mask values.

Glossary Item Box

This method gives clients a means of finding out exactly which filter criteria are supported by a given event server. This method would typically be invoked before configuring the filter on an OPCEventSubscription object.

Syntax

Visual Basic (Declaration) 
Public Function QueryAvailableFilters( _
   ByRef filterMask As Integer _
) As Integer
C# 
public int QueryAvailableFilters( 
   out int filterMask
)

Parameters

filterMask
This is a pointer to a bit mask which indicates which types of filtering are supported by the server. See below for mask values.

Requirements

Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

See Also

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