Update cookies preferences

GetValueByIndex - method of the tvPoints object

Returns a value of i-th data point.
The specified value of the index depends on the nIndexType parameter and refers either to the whole buffer or only to the visible part of the buffer.
Variant GetValueByIndex(Long nIndex, Long nIndexType)
nIndex(Long) Index to the buffer array
>=0 - index to the buffer array
-2 - the time of the latest data point is returned
nIndexType(Long) What refers the nIndex parameter to
0 - refers to the beginning of the buffer
1 - refrers to the first data point that is displayed by the buffer viewer
Return value:
The method returns the value of the data point on the index.
If no point has been found then the method returns: null for JavaScript or Empty for VBScript (it can be tested by the Pm.IsValid method).
This method is also functional in Web panels.
See also:
JavaScriptVBScriptSelect and copy to clipboard

var oTView = pMe.Items("../TrendView");
var oPoints = oTView.Trends("t1").Points;
var nVal = oPoints.GetValueByIndex(5, 0);
if (Pm.IsValid(nVal))
PROMOTIC 9.0.28 SCADA system documentation MICROSYS, spol. s r.o.

Send page remarkContact responsible person
© MICROSYS, spol. s r.o.