Bar Patterns

RSS

Syntax


public bool isInsideBar(int bar)
public bool isOutsideBar(int bar)
public bool isGapUp(int bar)
public bool isGapDown(int bar)


public enum GapType { PartialDown, FullDown, PartialUp, FullUp }
public GapType isGap(int bar)

Parameter Description

bar

Bar number

Description

A collection of functions to detect simple bar patterns: Inside Day, Outside Day, Gap Up and Gap Down.
An alternative isGap function returns an enumeration GapType, indicating the type of gap - up/down, full/partial.

Example

Example using C# extension methods:


using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using WealthLab;
using WealthLab.Indicators;

namespace WealthLab.Strategies
{
	public class BarPatternsDemo : WealthScript
	{
		protected override void Execute()
		{
			for(int bar = 1; bar < Bars.Count; bar++)
			{
				if( this.isGapUp(bar) && this.isGap(bar) == CommonSignalsEx.GapType.FullUp )
						AnnotateBar( "Gap Up", bar, true, Color.Blue );
				
				if( this.isGapDown(bar) && this.isGap(bar) == CommonSignalsEx.GapType.FullDown )
						AnnotateBar( "Gap Down", bar, false, Color.Red);
			}
		}
	}
}

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