Opc data Access Automation Specification

4.3.4

 

OPCGroups Properties 

4.3.4.1

 

Parent  

Description 

(Read-only) Returns reference to the parent OPCServer object. 

Syntax 

Parent As OPCServer 

4.3.4.2

 

DefaultGroupIsActive  

Description 

(Read/Write) This property provides the default active state for OPCGroups created using 

Groups.Add.  

Syntax 

DefaultGroupIsActive As Boolean 

Remarks 

This property defaults to True. 

Example 

VB Syntax Example (getting the property): 

Dim DefaultGroupIsActive As Boolean 

DefaultGroupIsActive = MyGroups.DefaultGroupIsActive 

VB Syntax Example (setting the property): 

MyGroups.DefaultGroupIsActive = FALSE 

4.3.4.3

 

DefaultGroupUpdateRate  

Description 

(Read/Write) This property provides the default update rate (in milliseconds) for OPCGroups 

created using Groups.Add. This property defaults to 1000 milliseconds (1 second). 

Syntax DefaultGroupUpdateRate 

As 

Long 

Example 

VB Syntax Example (getting the property): 

39 

 

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OPC Data Access Automation Specification2.02 

Dim DefaultGroupUpdateRate As Long 

DefaultGroupUpdateRate = MyGroups.DefaultGroupUpdateRate 

VB Syntax Example (setting the property): 

MyGroups.DefaultGroupUpdateRate = 250