TiOPCItem.Data
TiOPCItem
Use Data to get or set the current data for the OPC Item.
property Data : OleVariant;
Description
Use Data to get or set the current data for the OPC Item. The current value
of the item that was last received from the OPC server will be contained in this
property. To send data to the server, simply set the property equal to some
value.
Note: After setting this property to a value, the data will still be sent to the
OPC Server regardless of whether or not it was different than the previous value.
Example
Delphi
iComponent.OPCItem[0].Data := 5.5;
Value := iComponent.OPCItem[0].Data;
C++ Builder
iComponent-OPCItem[0]->Data = 5.5;
Value = iComponent-OPCItem[0]->Data;
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