OPCAE.NET Reference Manual
QueryConditionNames Method
See Also  Send Feedback
OPCAE.NET Namespace > OpcEventServer Class : QueryConditionNames Method

EventCategory
A event category identifier, as returned by the QueryEventCategories method. Only the names of conditions within this event category are returned.
ConditionNames
Array of strings containing the condition names for the specified event category.

Glossary Item Box

The QueryConditionNames method gives clients a means of finding out the specific condition names which the event server supports for the specified event category. This method would typically be invoked prior to specifying an event filter. Condition names are server specific.

Syntax

Visual Basic (Declaration) 
Public Function QueryConditionNames( _
   ByVal EventCategory As Integer, _
   ByRef ConditionNames As String() _
) As Integer
C# 
public int QueryConditionNames( 
   int EventCategory,
   out string[] ConditionNames
)

Parameters

EventCategory
A event category identifier, as returned by the QueryEventCategories method. Only the names of conditions within this event category are returned.
ConditionNames
Array of strings containing the condition names for the specified event category.

Return Value

HRESULTS error/success code.

Requirements

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

See Also

© 2002-2018 Advosol Inc. All Rights Reserved.