dOPC Client Toolkit Help file
TdOPCItemList Methods
TdOPCItemList Methods
TdOPCItemList Methods 
Description 
CheckAllActiveOnServer raises an exception if one of the items is not connected to the OPC DA Server (i.e. has no server handle). 
CheckOPCErrors reports if the last operation of one or more TdOPCItem objects in the list failed. 
This is GetEnumerator, a member of class TdOPCItemList. 
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