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Basic Definitions

1,762 bytes added, 15:20, 29 April 2013
Created page with "<div style="background-color: #E5F6FF;">'''NOTE''': Both indicators and signals can be referred to as studies or techniques. </div> ==Indicator== Indicators in MultiCharts ...."
<div style="background-color: #E5F6FF;">'''NOTE''': Both indicators and signals can be referred to as studies or techniques. </div>

==Indicator==

Indicators in MultiCharts .NET allow the user to analyze price and trade information and to graphically display it on the chart. To add an Indicator on a chart, right-click on the chart, click Insert Study, select the Indicator tab, then select the required Indicator and click OK.


For example, the ADX indicator calculation results will appear in a graph displayed at the bottom of the chart.

http://www.multicharts.com/trading-software/images/e/e0/InsertStudy.png

In MultiCharts .NET indicators are objects of the class, inherited from ''IndicatorObject'' class. Indicators, unlike other types of studies (functions, signals), can create and use plot objects (''IPlotObject''). These objects allow indicators to draw graphs, histograms, bars, etc. Before using plots, they should be created in the '''Create ()''' method of indicator class using the '''AddPlot()''' method.

Here is an example of a simple indicator, which draws a gaps graph of day bars (the difference between the current bar open and the previous bar close in percent) in the form of histogram at the bottom of the chart:

<syntaxhighlight>
public class DAY_GAP : IndicatorObject {
public DAY_GAP(object _ctx):base(_ctx){}
private IPlotObject plot_gap;//Plot object for graph drawing
protected override void Create() {
//Adds a graph to the chart
plot_gap = AddPlot(new PlotAttributes("GAP", EPlotShapes.Histogram, Color.Red));
}
protected override void CalcBar(){
// Determines next bar plot value
plot_gap.Set(100*((Bars.Open[0] - Bars.Close[1])/Bars.Open[0]));
}
}
</syntaxhighlight>

[[Category:.NET Programming Giude]]