MaxTopicAge Property (EasyDAEngineParameters)

Maximum topic age. Number of milliseconds. When the engine recognizes that there is a connection to some OPC item that is unused for this period of time or longer, it will disconnect from it.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<DataMemberAttribute()>
<ValueRangeAttribute(-1, 2147483647)>
Public Property MaxTopicAge As Integer

'Usage
 
Dim instance As EasyDAEngineParameters
Dim value As Integer
 
instance.MaxTopicAge = value
 
value = instance.MaxTopicAge

[DataMember()]
[ValueRange(-1, 2147483647)]
public int MaxTopicAge {get; set;}

[DataMember()]
[ValueRange(-1, 2147483647)]
public:
property int MaxTopicAge {
   int get();
   void set (    int value);
}

Property Value

Valid values of this property are in the range from -1 to 2147483647 (Int32.MaxValue).

The default value of this property is 1000.

Exceptions

Exception	Description
System.ArgumentOutOfRangeException	The value of an argument is outside the allowable range of values as defined by the invoked method. This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

Exception

Description

System.ArgumentOutOfRangeException

The value of an argument is outside the allowable range of values as defined by the invoked method.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

Remarks

The value must be greater than or equal to zero, or it must be equal to System.Threading.Timeout.Infinite.

This property is used by following client implementations:

Native client: yes,
NET API client: no.

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

Reference

EasyDAEngineParameters Class
EasyDAEngineParameters Members

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