Ivt.DataValue()

Type: INSTANCE FUNCTION

The data item is taken from the i^th data point and the j^th data column. If no datum is taken the returned value is NIL.

Result	REAL or	The returned value.
Result	NIL	No datum acquired yet.
PointNum	INDEX or	Point number, zero-based. If PointNum is out of range, a value from the last or acquired point is returned.
PointNum	NIL	Always return a value from the last acquired point.
ColNumber	INDEX	A code identifying the column to be used. Use these predefined constants: IVT_T = Time IVT_Vf = Applied voltage IVT_Vu = Uncompensated voltage IVT_Im = Measured current IVT_Am = Measured voltage Aux Channel IVT_Sig = Signal sent to control amplifier