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AddCustomIndicator
Posted by Mohammad Rahhal on 23 April 2012 04:56 PM


Syntax

Public Function AddCustomIndicator(chart_ID As Long, bufferAry As Variant, startPos As Integer, subWindow As Boolean, Optional win As Long = 0)As String

This function adds a custom indicator to the specified chart.


Parameters

Key Description 
chart_ID Chart identifier, 0 is the current chart.
bufferAry Input array to draw the indicator. 
startPos Start position to draw a custom indicator.
subWindow Indicates to drawing a custom indicator in separate panel .if the value true, the indicator will be in separate panel, otherwise, it will be in the same panel (current panel).
Win Panel(Sub window) Number. To Get the panel Number base on the series name  ,  you can call GetSubWindow()


Return value

Returns the indicator name as a value of string. If the function fails , the returned value will be an empty string , otherwise it will be an string value. To get the detailed error information, one has to call GetLastError() to read the error.


Sample

Dim indKey

Dim vchartId

Dim vchartName

Dim resultValue

Public Sub Main()

Dim highArry()

vchartId=chartId

  vchartName=ChartSymbol(Clng(vchartId))

  CopyHigh 0,1, bars(0),highArry

  indKey=AddCustomIndicator(0, highArry,0)

End Sub

Public Sub OnTick(SymbolName)

ObjectSeriesGetValue 0,cstr(vchartName & ".close"),CLNG(bars(CLNG(vchartId))),resultValue

ObjectSeriesSetValue 0,CSTR(indKey),CLNG(bars(CLNG(vchartId))),CDBL(resultValue)

End Sub

Public Sub OnCalculate(symbol ,symPeriod, openVal , highVal , lowVal , closeVal )

SetIndicatorData 0,CSTR(indKey),CDbl(highVal)

End Sub

See Also


Back to VTL Client Script Index

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