dOPC Client Toolkit

XMLWaittime (milliseconds) instructs the server to wait the specified time after the XMLHoldtime is reached before returning.

property XMLWaittime: integer;
__property int XMLWaittime;

A change in one of the items in the group during this wait period will result in the server returning immediately rather than completing this time. For further information please read chapter the "Subscription architecture" of the OPC XML DA specification. You can download the OPC XML DA specification from

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