dOPCDA.TdOPCGroups.Add

Add, creates and returns a new TdOPCGroup object and adds it to the tdOPCGroups collection.

Delphi

function Add(GroupName: string; Active: boolean; OnDataChange: boolean): TdOPCGroup; overload;

C++

__fastcall TdOPCGroup Add(AnsiString GroupName, boolean Active, boolean OnDataChange);

Description

Parameter	Description
GroupName	Your own unique group name
Active	true = creates an active group otherwise (false) the group is not active
OnDatachange	true = creates a group with subscription otherwise (false) no onDatachange event will be fired.

Remarks

The properties of this new group are determined by the current defaults in the TdOPCDAClient object. After a group is added, its properties can be modified. The name of the group which is passed by the GroupName parameter must be unique among the other groups created by the client.

Example

var MyGroup : TdOPCGroup; begin MyGroup := OPCServer.OPCGroups.Add('MyGroup',true,false); //adds an active group without subscription //... end;