EasyDAClientHoldPeriods Class

Contains optimization parameters that reduce the load on the OPC server by keeping the connections open should they be soon needed again.

Object Model

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<CLSCompliantAttribute(True)>
<ComDefaultInterfaceAttribute(OpcLabs.EasyOpc.DataAccess.Engine.ComTypes._EasyDAClientHoldPeriods)>
<ComVisibleAttribute(True)>
<GuidAttribute("D4F970F7-2E42-4883-996D-928390E5DA13")>
<TypeConverterAttribute(System.ComponentModel.ExpandableObjectConverter)>
<ValueControlAttribute("OpcLabs.BaseLib.Forms.Common.ObjectSerializationControl, OpcLabs.BaseLibForms, Version=5.63.115.1, Culture=neutral, PublicKeyToken=6faddca41dacb409", 
   DefaultReadWrite=False, 
   Export=True, 
   PageId=10001)>
<SerializableAttribute()>
Public NotInheritable Class EasyDAClientHoldPeriods 
   Inherits OpcLabs.BaseLib.Parameters
   Implements LINQPad.ICustomMemberProvider, OpcLabs.BaseLib.ComTypes._Info, OpcLabs.BaseLib.ComTypes._Object2, OpcLabs.BaseLib.ComTypes._Parameters, OpcLabs.EasyOpc.DataAccess.Engine.ComTypes._EasyDAClientHoldPeriods, System.ComponentModel.INotifyPropertyChanged, System.ICloneable, System.Runtime.Serialization.ISerializable, System.Xml.Serialization.IXmlSerializable

'Usage
 
Dim instance As EasyDAClientHoldPeriods

[CLSCompliant(true)]
[ComDefaultInterface(OpcLabs.EasyOpc.DataAccess.Engine.ComTypes._EasyDAClientHoldPeriods)]
[ComVisible(true)]
[Guid("D4F970F7-2E42-4883-996D-928390E5DA13")]
[TypeConverter(System.ComponentModel.ExpandableObjectConverter)]
[ValueControl("OpcLabs.BaseLib.Forms.Common.ObjectSerializationControl, OpcLabs.BaseLibForms, Version=5.63.115.1, Culture=neutral, PublicKeyToken=6faddca41dacb409", 
   DefaultReadWrite=false, 
   Export=true, 
   PageId=10001)]
[Serializable()]
public sealed class EasyDAClientHoldPeriods : OpcLabs.BaseLib.Parameters, LINQPad.ICustomMemberProvider, OpcLabs.BaseLib.ComTypes._Info, OpcLabs.BaseLib.ComTypes._Object2, OpcLabs.BaseLib.ComTypes._Parameters, OpcLabs.EasyOpc.DataAccess.Engine.ComTypes._EasyDAClientHoldPeriods, System.ComponentModel.INotifyPropertyChanged, System.ICloneable, System.Runtime.Serialization.ISerializable, System.Xml.Serialization.IXmlSerializable

[CLSCompliant(true)]
[ComDefaultInterface(OpcLabs.EasyOpc.DataAccess.Engine.ComTypes._EasyDAClientHoldPeriods)]
[ComVisible(true)]
[Guid("D4F970F7-2E42-4883-996D-928390E5DA13")]
[TypeConverter(System.ComponentModel.ExpandableObjectConverter)]
[ValueControl("OpcLabs.BaseLib.Forms.Common.ObjectSerializationControl, OpcLabs.BaseLibForms, Version=5.63.115.1, Culture=neutral, PublicKeyToken=6faddca41dacb409", 
   DefaultReadWrite=false, 
   Export=true, 
   PageId=10001)]
[Serializable()]
public ref class EasyDAClientHoldPeriods sealed : public OpcLabs.BaseLib.Parameters, LINQPad.ICustomMemberProvider, OpcLabs.BaseLib.ComTypes._Info, OpcLabs.BaseLib.ComTypes._Object2, OpcLabs.BaseLib.ComTypes._Parameters, OpcLabs.EasyOpc.DataAccess.Engine.ComTypes._EasyDAClientHoldPeriods, System.ComponentModel.INotifyPropertyChanged, System.ICloneable, System.Runtime.Serialization.ISerializable, System.Xml.Serialization.IXmlSerializable

Inheritance Hierarchy

System.Object
   OpcLabs.BaseLib.Object2
      OpcLabs.BaseLib.Info
         OpcLabs.BaseLib.Parameters
            OpcLabs.EasyOpc.DataAccess.Engine.EasyDAClientHoldPeriods

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2012, Windows Server 2016; .NET Core, .NET 5, .NET 6: Linux, macOS, Microsoft Windows

Reference

EasyDAClientHoldPeriods Members
OpcLabs.EasyOpc.DataAccess.Engine Namespace