The data item is taken from the ith data point and the jth data column. If no data have been taken, the returned value is NIL.
|DataValue = Pv.DataValue(PointNum,ColNumber)|
The returned value.
No data acquired yet.
Point number, zero-based. If PointNum is out of range, a value from the last acquired point is returned.
|NIL||Always return a value from the last acquired point.|
|ColNumber||INDEX||Data column, with a range of 0 to 10. The meanings of the data in each column are given in the Pv.DataCol() description.|