GetVarExtensions - method of the PmaOpcDaClientGroup object

Description:

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

Syntax:

Array GetVarExtensions()

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 
i;
var 
aVarExt = pMe.Pm("/OpcClient/Group1").GetVarExtensions();
var 
n = 
aVarExt.GetSize(1);

for (
i = 0; 
i < 
n; 
i++)
	Pm.Debug(
aVarExt.GetItem(
i).ItemId);