GetVarExtensions - method of the PmaOpcDaClientGroup object

Description:

Returns an array of all data extensions (of ExtOpcDa objects) registered in the PmaOpcDaClientGroup object (all items of this group).

Syntax:

Array GetVarExtensions()

Return value:

1-dimensional array of values (PmArray object for JavaScript or Array data type for VBScript).

Example:

Obtains an array of references to all registered ExtOpcDa objects in the PmaOpcDaClientGroup object ("/OpcDaClientData") with following listig of identifiers of each trend into the INFO system.

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var iItm;

var aVarExt = pMe.Pm("/OpcClient/Group1").GetVarExtensions();

var nItems = aVarExt.GetSize(1);


for (iItm = 0; iItm < nItems; iItm++)

{

	Pm.Debug(aVarExt.GetItem(iItm).ItemId);

}