GetTimeByIndex - method of the tvPoints object

Description:

Returns the time of the nIndex-th data point. 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.

Syntax:

Date GetTimeByIndex(Long nIndex, Long nIndexType)

Parameters:

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) Required type of the returned index 0 - Index refers to the beginning of the buffer 1 - Index refers to the first data point that is displayed by the buffer viewer

Return values:

The method returns the time.
If no point has been found then the method returns: null for JavaScript or Empty pro VBScript (it can be tested by the Pm.IsValid method).

Note:

This method is also functional in Web panels.

Example:

JavaScriptVBScriptSelect and copy to clipboard



var oTView = pMe.Items("../TrendView");

var oPoints = oTView.Trends("t1").Points;

var nTime = oPoints.GetTimeByIndex(5, 0);

if (Pm.IsValid(nTime))

{

	Pm.Debug(nTime);

}