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

ProgId: OpcLabs.EasyOpc.DataAccess.Engine.EasyDAClientHoldPeriods
CLSID (Class ID): d4f970f7-2e42-4883-996d-928390e5da13
Default interface: OpcLabs.EasyOpc.DataAccess.Engine.ComTypes._EasyDAClientHoldPeriods
Event source interface:

For more information, see EasyDAClientHoldPeriods and OpcLabs.EasyOpc.DataAccess.Engine.ComTypes._EasyDAClientHoldPeriods in .NET Reference.

For remarks, see EasyDAClientHoldPeriods and OpcLabs.EasyOpc.DataAccess.Engine.ComTypes._EasyDAClientHoldPeriods in .NET Reference.

Object creation

_EasyDAClientHoldPeriodsPtr EasyDAClientHoldPeriodsPtr(__uuidof(EasyDAClientHoldPeriods));

EasyDAClientHoldPeriods := CoEasyDAClientHoldPeriods.Create;

var EasyDAClientHoldPeriods = new ActiveXObject("OpcLabs.EasyOpc.DataAccess.Engine.EasyDAClientHoldPeriods");

EasyDAClientHoldPeriods := CoEasyDAClientHoldPeriods.Create;

$EasyDAClientHoldPeriods = Win32::OLE->new("OpcLabs.EasyOpc.DataAccess.Engine.EasyDAClientHoldPeriods");

$EasyDAClientHoldPeriods = new COM("OpcLabs.EasyOpc.DataAccess.Engine.EasyDAClientHoldPeriods");

OLEObject EasyDAClientHoldPeriods
EasyDAClientHoldPeriods = CREATE OLEObject
EasyDAClientHoldPeriods.ConnectToNewObject("OpcLabs.EasyOpc.DataAccess.Engine.EasyDAClientHoldPeriods")

EasyDAClientHoldPeriods = win32com.client.Dispatch('OpcLabs.EasyOpc.DataAccess.Engine.EasyDAClientHoldPeriods')

Dim EasyDAClientHoldPeriods As New OleObject ("OpcLabs.EasyOpc.DataAccess.Engine.EasyDAClientHoldPeriods")

Dim EasyDAClientHoldPeriods As New EasyDAClientHoldPeriods

EasyDAClientHoldPeriods = CREATEOBJECT("OpcLabs.EasyOpc.DataAccess.Engine.EasyDAClientHoldPeriods")

Dim EasyDAClientHoldPeriods As New EasyDAClientHoldPeriods

Dim EasyDAClientHoldPeriods: Set EasyDAClientHoldPeriods = CreateObject("OpcLabs.EasyOpc.DataAccess.Engine.EasyDAClientHoldPeriods")

EasyDAClientHoldPeriods := CreateObject("OpcLabs.EasyOpc.DataAccess.Engine.EasyDAClientHoldPeriods")

Interface	Description
_Info	An object that holds information. IID (Interface ID): b9103dfd-bace-4392-afb0-ff2bfc9c7ab7 For more information, see _Info in .NET Reference.
_Object
_Object2	A common base class. IID (Interface ID): 9b164457-eef8-4736-bae7-531d45ea2751 For more information, see _Object2 in .NET Reference.
_Parameters	Base class for parameter objects, providing functionality such as standard names. IID (Interface ID): 6d244bf5-d5df-409a-85a2-7bc8c14ef351 For more information, see _Parameters in .NET Reference.
ICloneable	IID (Interface ID): 0cb251a7-3ab3-3b5c-a0b8-9ddf88824b85 For more information, see ICloneable in .NET Reference.
ISerializable	IID (Interface ID): d0eeaa62-3d30-3ee2-b896-a2f34dda47d8 For more information, see ISerializable in .NET Reference.

For examples, see EasyDAClientHoldPeriods in .NET Reference.

EasyDAClientHoldPeriods Members