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Any Multicharts .NET programmers here?


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Any Multicharts .NET programmers here?

  #1 (permalink)
 MerlinWorld 
Montreal
 
Posts: 128 since Jan 2013
Hi guys,

Just want to know if there are any Multicharts .NET programmers here?

I have a few programmers that know C# but apparently, that's not enough, you need to know how to program SPECIFICALLY for Multicharts .NET

For example this is the code that a programmer wrote in C# but it seems to work only on NinjaTrader but not on MultiCharts even though both platforms uses C#.

Anyone can help?

 
Code 
#region Using declarations
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;
using System.Windows.Media;
using System.Xml.Serialization;
using NinjaTrader.Cbi;
using NinjaTrader.Gui;
using NinjaTrader.Gui.Chart;
using NinjaTrader.Gui.SuperDom;
using NinjaTrader.Gui.Tools;
using NinjaTrader.Data;
using NinjaTrader.NinjaScript;
using NinjaTrader.Core.FloatingPoint;
using NinjaTrader.NinjaScript.DrawingTools;
#endregion

//This namespace holds Indicators in this folder and is required. Do not change it. 
namespace NinjaTrader.NinjaScript.Indicators
{
	public class _MW_Clouds : Indicator
	{
		protected override void OnStateChange()
		{
			if (State == State.SetDefaults)
			{
				Description									= @"Merlin's Clouds";
				Name										= "_MW_Clouds";
				Calculate									= Calculate.OnBarClose;
				IsOverlay									= true;
				DisplayInDataBox							= true;
				DrawOnPricePanel							= true;
				DrawHorizontalGridLines						= true;
				DrawVerticalGridLines						= true;
				PaintPriceMarkers							= true;
				ScaleJustification							= NinjaTrader.Gui.Chart.ScaleJustification.Right;
				//Disable this property if your indicator requires custom values that cumulate with each new market data event. 
				//See Help Guide for additional information.
				IsSuspendedWhileInactive					= true;

				Range1	= 6;
				Range2	= 8;
				Range3	= 10;
				Range4	= 12;
				
				ShowST = true ;
				ShowMT = true ;
				
				BandOpacity = 50 ;

				AddPlot(Brushes.Transparent, "MM1");
				AddPlot(Brushes.Transparent, "MM2");
				AddPlot(Brushes.Transparent, "MM3");
				AddPlot(Brushes.Transparent, "MM4");
			}
			else if (State == State.Configure)
			{
			}
		}

		System.Windows.Media.Brush color1 = Brushes.White ;
		System.Windows.Media.Brush color2 = Brushes.DeepSkyBlue ;
		System.Windows.Media.Brush color3 = Brushes.DimGray ;
		System.Windows.Media.Brush color4 = Brushes.Blue ;
		
		double hh1 = 0 ;
		double ll1 = 0 ;
		
		double hh2 = 0 ;
		double ll2 = 0 ;

		double hh3 = 0 ;
		double ll3 = 0 ;

		double hh4 = 0 ;
		double ll4 = 0 ;

		int sregnum = 0 ;
		int mregnum = 0 ;

		DateTime start_time1 ;
		DateTime start_time2 ;
		
		System.Windows.Media.Brush pcolor1 = Brushes.Transparent ;
		System.Windows.Media.Brush pcolor2 = Brushes.Transparent ;
		
		protected override void OnBarUpdate()
		{
			if( CurrentBar == 0 ) { start_time1 = Time[0] ; start_time2 = Time[0] ; }
			
			if( High[0] >= hh1 )			{ hh1 = High[0] ; }
			if( ll1 < ( hh1 - Range1 ))		{ ll1 = hh1 - Range1 ; }
			if( Low[0] <= ll1 )				{ ll1 = Low[0] ; }
			if( hh1 > ( ll1 + Range1 ) )	{ hh1 = ll1 + Range1 ; }
			MM1[0] = ( hh1 + ll1 ) / 2 ; ;
			
			if( High[0] >= hh2 )			{ hh2 = High[0] ; }
			if( ll2 < ( hh2 - Range2 )	)	{ ll2 = hh2 - Range2 ; }
			if( Low[0] <= ll2 )				{ ll2 = Low[0] ; }
			if( hh2 > ( ll2 + Range2 ) )	{ hh2 = ll2 + Range2 ; }
			MM2[0] = ( hh2 + ll2 ) / 2 ;

			if( High[0] >= hh3 )			{ hh3 = High[0] ; }
			if( ll3 < ( hh3 - Range3 )	)	{ ll3 = hh3 - Range3 ; }
			if( Low[0] <= ll3 )				{ ll3 = Low[0] ; }
			if( hh3 > ( ll3 + Range3 ) )	{ hh3 = ll3 + Range3 ; }
			MM3[0] = ( hh3 + ll3 ) / 2 ;

			if( High[0] >= hh4 )			{ hh4 = High[0] ; }
			if( ll4 < ( hh4 - Range4 )	)	{ ll4 = hh4 - Range4 ; }
			if( Low[0] <= ll4 )				{ ll4 = Low[0] ; }
			if( hh4 > ( ll4 + Range4 ) )	{ hh4 = ll4 + Range4 ; }
			MM4[0] = ( hh4 + ll4 ) / 2 ;

			if( CurrentBar < 5 ) { return ; }
			
			System.Windows.Media.Brush mycolor1 = MM1[0] > MM2[0] ? color1 : color2 ;
			System.Windows.Media.Brush mycolor2 = MM1[0] > MM3[0] ? color3 : color4 ;
			
			if( pcolor1 != mycolor1 )
			{
				start_time1 = Time[0] ;
				sregnum++ ;
			}
			pcolor1 = mycolor1 ;
			
			if( pcolor2 != mycolor2 )
			{
				start_time2 = Time[0] ;
				mregnum++ ;
			}
			pcolor2 = mycolor2 ;

			if( ShowST ) { Draw.Region(this,"SREG"+sregnum,start_time1,Time[0],MM1,MM2,null,mycolor1,BandOpacity); }
			if( ShowMT ) { Draw.Region(this,"MREG"+mregnum,start_time2,Time[0],MM3,MM4,null,mycolor2,BandOpacity); }
		}

		#region Properties
		[NinjaScriptProperty]
		[Range(1, int.MaxValue)]
		[Display(Name="Range1", Description="(Short term) Range1 in Points", Order=1, GroupName="Parameters")]
		public int Range1
		{ get; set; }

		[NinjaScriptProperty]
		[Range(1, int.MaxValue)]
		[Display(Name="Range2", Description="(Short term) Range2 in Points", Order=2, GroupName="Parameters")]
		public int Range2
		{ get; set; }

		[NinjaScriptProperty]
		[Range(1, int.MaxValue)]
		[Display(Name="Range3", Description="(Medium term) Range3 in Points", Order=3, GroupName="Parameters")]
		public int Range3
		{ get; set; }

		[NinjaScriptProperty]
		[Range(1, int.MaxValue)]
		[Display(Name="Range4", Description="(Medium term) Range4 in Points", Order=4, GroupName="Parameters")]
		public int Range4
		{ get; set; }

		[NinjaScriptProperty]
		[Display(Name="Show short term band", Description="Show or hide the short term band.", Order=5, GroupName="Parameters")]
		public bool ShowST
		{ get; set; }

		[NinjaScriptProperty]
		[Display(Name="Show medium term band", Description="Show or hide the medium term band.", Order=6, GroupName="Parameters")]
		public bool ShowMT
		{ get; set; }
		
		[NinjaScriptProperty]
		[Range(0, 100)]
		[Display(Name="Band opacity", Description="Band Opacity (0-100)", Order=7, GroupName="Parameters")]
		public int BandOpacity
		{ get; set; }

		[Browsable(false)]
		[XmlIgnore]
		public Series<double> MM1
		{
			get { return Values[0]; }
		}

		[Browsable(false)]
		[XmlIgnore]
		public Series<double> MM2
		{
			get { return Values[1]; }
		}

		[Browsable(false)]
		[XmlIgnore]
		public Series<double> MM3
		{
			get { return Values[2]; }
		}

		[Browsable(false)]
		[XmlIgnore]
		public Series<double> MM4
		{
			get { return Values[3]; }
		}

		#endregion

	}
}

#region NinjaScript generated code. Neither change nor remove.

namespace NinjaTrader.NinjaScript.Indicators
{
	public partial class Indicator : NinjaTrader.Gui.NinjaScript.IndicatorRenderBase
	{
		private _MW_Clouds[] cache_MW_Clouds;
		public _MW_Clouds _MW_Clouds(int range1, int range2, int range3, int range4, bool showST, bool showMT, int bandOpacity)
		{
			return _MW_Clouds(Input, range1, range2, range3, range4, showST, showMT, bandOpacity);
		}

		public _MW_Clouds _MW_Clouds(ISeries<double> input, int range1, int range2, int range3, int range4, bool showST, bool showMT, int bandOpacity)
		{
			if (cache_MW_Clouds != null)
				for (int idx = 0; idx < cache_MW_Clouds.Length; idx++)
					if (cache_MW_Clouds[idx] != null && cache_MW_Clouds[idx].Range1 == range1 && cache_MW_Clouds[idx].Range2 == range2 && cache_MW_Clouds[idx].Range3 == range3 && cache_MW_Clouds[idx].Range4 == range4 && cache_MW_Clouds[idx].ShowST == showST && cache_MW_Clouds[idx].ShowMT == showMT && cache_MW_Clouds[idx].BandOpacity == bandOpacity && cache_MW_Clouds[idx].EqualsInput(input))
						return cache_MW_Clouds[idx];
			return CacheIndicator<_MW_Clouds>(new _MW_Clouds(){ Range1 = range1, Range2 = range2, Range3 = range3, Range4 = range4, ShowST = showST, ShowMT = showMT, BandOpacity = bandOpacity }, input, ref cache_MW_Clouds);
		}
	}
}

namespace NinjaTrader.NinjaScript.MarketAnalyzerColumns
{
	public partial class MarketAnalyzerColumn : MarketAnalyzerColumnBase
	{
		public Indicators._MW_Clouds _MW_Clouds(int range1, int range2, int range3, int range4, bool showST, bool showMT, int bandOpacity)
		{
			return indicator._MW_Clouds(Input, range1, range2, range3, range4, showST, showMT, bandOpacity);
		}

		public Indicators._MW_Clouds _MW_Clouds(ISeries<double> input , int range1, int range2, int range3, int range4, bool showST, bool showMT, int bandOpacity)
		{
			return indicator._MW_Clouds(input, range1, range2, range3, range4, showST, showMT, bandOpacity);
		}
	}
}

namespace NinjaTrader.NinjaScript.Strategies
{
	public partial class Strategy : NinjaTrader.Gui.NinjaScript.StrategyRenderBase
	{
		public Indicators._MW_Clouds _MW_Clouds(int range1, int range2, int range3, int range4, bool showST, bool showMT, int bandOpacity)
		{
			return indicator._MW_Clouds(Input, range1, range2, range3, range4, showST, showMT, bandOpacity);
		}

		public Indicators._MW_Clouds _MW_Clouds(ISeries<double> input , int range1, int range2, int range3, int range4, bool showST, bool showMT, int bandOpacity)
		{
			return indicator._MW_Clouds(input, range1, range2, range3, range4, showST, showMT, bandOpacity);
		}
	}
}

#endregion
Does anyone see the bug here? This is the compiling errors it gives me in the PowerLanguage Editor...



Thanks

Merlin

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  #2 (permalink)
 olobay 
Montreal
 
Experience: Intermediate
Platform: MultiCharts
Broker: DeepDiscountTrading.com
Trading: CL
Posts: 364 since Jul 2011
I don't know C# but for sure it won't work in MC when you are using NinjaTrader in the code.

 
Code 
using NinjaTrader.Cbi;
using NinjaTrader.Gui;
using NinjaTrader.Gui.Chart;
using NinjaTrader.Gui.SuperDom;
using NinjaTrader.Gui.Tools;
using NinjaTrader.Data;
using NinjaTrader.NinjaScript;
using NinjaTrader.Core.FloatingPoint;
using NinjaTrader.NinjaScript.DrawingTools;

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  #3 (permalink)
 MerlinWorld 
Montreal
 
Posts: 128 since Jan 2013


olobay View Post
I don't know C# but for sure it won't work in MC when you are using NinjaTrader in the code.

 
Code 
using NinjaTrader.Cbi;
using NinjaTrader.Gui;
using NinjaTrader.Gui.Chart;
using NinjaTrader.Gui.SuperDom;
using NinjaTrader.Gui.Tools;
using NinjaTrader.Data;
using NinjaTrader.NinjaScript;
using NinjaTrader.Core.FloatingPoint;
using NinjaTrader.NinjaScript.DrawingTools;

he he, no shit Sherlock! I saw that the second I opened the script.

However that STILL doesn't fix it. Should I just replace NinjaTrader by Multicharts or PowerLanguage? Could it be THAT easy?

What are these "namespace" and "assembly reference" things?

Somebody will know the answer to that.

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  #4 (permalink)
Zambi
Scottsdale
 
Posts: 34 since Nov 2010
Thanks Given: 6
Thanks Received: 22

Hi Merlin.

Converted what I could, but only as far as creating the plots (kept them in different colors). The "Draw Region" part is the most important I guess, but maybe you can give that a try. I hope this helps.

 
Code 
using System;
using System.Drawing;
using System.Linq;
using PowerLanguage.Function;

namespace PowerLanguage.Indicator
{
    [SameAsSymbol(true)]
	public class _MW_Clouds : IndicatorObject
	{
		public _MW_Clouds(object _ctx):base(_ctx)
		{
				Range1	= 6;
				Range2	= 8;
				Range3	= 10;
				Range4	= 12;
				
				ShowST = true ;
				ShowMT = true ;
				
				BandOpacity = 50 ;
		
		}
		/*
		protected override void OnStateChange()
		{
			if (State == State.SetDefaults)
			{
				Description									= @"Merlin's Clouds";
				Name										= "_MW_Clouds";
				Calculate									= Calculate.OnBarClose;
				IsOverlay									= true;
				DisplayInDataBox							= true;
				DrawOnPricePanel							= true;
				DrawHorizontalGridLines						= true;
				DrawVerticalGridLines						= true;
				PaintPriceMarkers							= true;
				ScaleJustification							= NinjaTrader.Gui.Chart.ScaleJustification.Right;
				//Disable this property if your indicator requires custom values that cumulate with each new market data event. 
				//See Help Guide for additional information.
				IsSuspendedWhileInactive					= true;

				Range1	= 6;
				Range2	= 8;
				Range3	= 10;
				Range4	= 12;
				
				ShowST = true ;
				ShowMT = true ;
				
				BandOpacity = 50 ;

				AddPlot(Color.Transparent, "MM1");
				AddPlot(Color.Transparent, "MM2");
				AddPlot(Color.Transparent, "MM3");
				AddPlot(Color.Transparent, "MM4");
			}
			else if (State == State.Configure)
			{
			}
		}
*/
		private IPlotObject Plot1;
		private IPlotObject MM1_plot, MM2_plot, MM3_plot, MM4_plot;
		protected override void Create()
		{
            MM1 = new VariableSeries<Double>(this);
            MM2 = new VariableSeries<Double>(this);
            MM3 = new VariableSeries<Double>(this);
            MM4 = new VariableSeries<Double>(this);
            Plot1 =
                AddPlot(new PlotAttributes("Avg", 0, Color.Yellow,
                                           Color.Empty, 0, 0, true));
			MM1_plot = AddPlot(new PlotAttributes("MM1", EPlotShapes.Line, Color.Red));
			MM2_plot = AddPlot(new PlotAttributes("MM2", EPlotShapes.Line, Color.Green));
			MM3_plot = AddPlot(new PlotAttributes("MM3", EPlotShapes.Line, Color.Blue));
			MM4_plot = AddPlot(new PlotAttributes("MM4", EPlotShapes.Line, Color.Yellow));

		
		}
		protected override void StartCalc() {
			// assign inputs 
		}
		
		Color color1 = Color.White ;
		Color color2 = Color.DeepSkyBlue ;
		Color color3 = Color.DimGray ;
		Color color4 = Color.Blue ;
		
		double hh1 = 0 ;
		double ll1 = 0 ;
		
		double hh2 = 0 ;
		double ll2 = 0 ;

		double hh3 = 0 ;
		double ll3 = 0 ;

		double hh4 = 0 ;
		double ll4 = 0 ;

		int sregnum = 0 ;
		int mregnum = 0 ;

		DateTime start_time1 ;
		DateTime start_time2 ;
		
		Color pcolor1 = Color.Transparent ;
		Color pcolor2 = Color.Transparent ;
		
		protected override void CalcBar()
		{
			if( Bars.CurrentBar == 0 ) { start_time1 = Bars.Time[0] ; start_time2 = Bars.Time[0] ; }
			
			if( Bars.High[0] >= hh1 )			{ hh1 = Bars.High[0] ; }
			if( ll1 < ( hh1 - Range1 ))		{ ll1 = hh1 - Range1 ; }
			if( Bars.Low[0] <= ll1 )				{ ll1 = Bars.Low[0] ; }
			if( hh1 > ( ll1 + Range1 ) )	{ hh1 = ll1 + Range1 ; }
			MM1.Value = ( hh1 + ll1 ) / 2 ; 
			MM1_plot.Set(0, MM1.Value);
			
			if( Bars.High[0] >= hh2 )			{ hh2 = Bars.High[0] ; }
			if( ll2 < ( hh2 - Range2 )	)	{ ll2 = hh2 - Range2 ; }
			if( Bars.Low[0] <= ll2 )				{ ll2 = Bars.Low[0] ; }
			if( hh2 > ( ll2 + Range2 ) )	{ hh2 = ll2 + Range2 ; }
			MM2.Value = ( hh2 + ll2 ) / 2 ;
			MM2_plot.Set(0, MM2[0]);
			
			if( Bars.High[0] >= hh3 )			{ hh3 = Bars.High[0] ; }
			if( ll3 < ( hh3 - Range3 )	)	{ ll3 = hh3 - Range3 ; }
			if( Bars.Low[0] <= ll3 )				{ ll3 = Bars.Low[0] ; }
			if( hh3 > ( ll3 + Range3 ) )	{ hh3 = ll3 + Range3 ; }
			MM3.Value = ( hh3 + ll3 ) / 2 ;
			MM3_plot.Set(0, MM3[0]);

			if( Bars.High[0] >= hh4 )			{ hh4 = Bars.High[0] ; }
			if( ll4 < ( hh4 - Range4 )	)	{ ll4 = hh4 - Range4 ; }
			if( Bars.Low[0] <= ll4 )				{ ll4 = Bars.Low[0] ; }
			if( hh4 > ( ll4 + Range4 ) )	{ hh4 = ll4 + Range4 ; }
			MM4.Value = ( hh4 + ll4 ) / 2 ;
			MM4_plot.Set(0, MM4[0]);

			if( Bars.CurrentBar < 5 ) { return ; }
			
			Color mycolor1 = MM1[0] > MM2[0] ? color1 : color2 ;
			Color mycolor2 = MM1[0] > MM3[0] ? color3 : color4 ;
			
			if( pcolor1 != mycolor1 )
			{
				start_time1 = Bars.Time[0] ;
				sregnum++ ;
			}
			pcolor1 = mycolor1 ;
			
			if( pcolor2 != mycolor2 )
			{
				start_time2 = Bars.Time[0] ;
				mregnum++ ;
			}
			pcolor2 = mycolor2 ;

			//if( ShowST ) { Draw.Region(this,"SREG"+sregnum,start_time1,Time[0],MM1,MM2,null,mycolor1,BandOpacity); }
			//if( ShowMT ) { Draw.Region(this,"MREG"+mregnum,start_time2,Time[0],MM3,MM4,null,mycolor2,BandOpacity); }
		}

		#region Properties
		//[NinjaScriptProperty]
		[Input]
		//[Range(1, int.MaxValue)]
		//[Display(Name="Range1", Description="(Short term) Range1 in Points", Order=1, GroupName="Parameters")]
		public int Range1
		{ get; set; }

		//[NinjaScriptProperty]
		[Input]
		//[Range(1, int.MaxValue)]
		//[Display(Name="Range2", Description="(Short term) Range2 in Points", Order=2, GroupName="Parameters")]
		public int Range2
		{ get; set; }

		//[NinjaScriptProperty]
		[Input]
		//[Range(1, int.MaxValue)]
		//[Display(Name="Range3", Description="(Medium term) Range3 in Points", Order=3, GroupName="Parameters")]
		public int Range3
		{ get; set; }

		//[NinjaScriptProperty]
		[Input]
		//[Range(1, int.MaxValue)]
		//[Display(Name="Range4", Description="(Medium term) Range4 in Points", Order=4, GroupName="Parameters")]
		public int Range4
		{ get; set; }

		//[NinjaScriptProperty]
		[Input]
		//[Display(Name="Show short term band", Description="Show or hide the short term band.", Order=5, GroupName="Parameters")]
		public bool ShowST
		{ get; set; }

		//[NinjaScriptProperty]
		[Input]
		//[Display(Name="Show medium term band", Description="Show or hide the medium term band.", Order=6, GroupName="Parameters")]
		public bool ShowMT
		{ get; set; }
		
		//[NinjaScriptProperty]
		[Input]
		//[Range(0, 100)]
		//[Display(Name="Band opacity", Description="Band Opacity (0-100)", Order=7, GroupName="Parameters")]
		public int BandOpacity
		{ get; set; }

		//[Browsable(false)]
		//[XmlIgnore]
		public VariableSeries<double> MM1
		{
			get; set;//get { return Values[0]; }
		}

		//[Browsable(false)]
		//[XmlIgnore]
		public VariableSeries<double> MM2
		{
			get; set;//get { return Values[1]; }
		}

		//[Browsable(false)]
		//[XmlIgnore]
		public VariableSeries<double> MM3
		{
			get; set;//get { return Values[2]; }
		}

		//[Browsable(false)]
		//[XmlIgnore]
		public VariableSeries<double> MM4
		{
			get; set;//get { return Values[3]; }
		}

		#endregion

	}
}

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  #5 (permalink)
 jojojo 
FrankfurtGermany
Elite Member
 
Experience: Beginner
Platform: Tradestation
Posts: 41 since Oct 2010
Thanks Given: 4
Thanks Received: 7

well a while ago , but congrats for this conversion .
Great work .
Clouds

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  #6 (permalink)
 jojojo 
FrankfurtGermany
Elite Member
 
Experience: Beginner
Platform: Tradestation
Posts: 41 since Oct 2010
Thanks Given: 4
Thanks Received: 7

I stuck with a function , compiles but then gives me an error
Null Reference Exception at line 40

using System;
using System.Drawing;
using System.Linq;


namespace PowerLanguage
{
namespace Function
{
public sealed class BWT_smooth : FunctionSeries<System.Double>
{
public BWT_smooth(CStudyControl _master) : base(_master) { }
public BWT_smooth(CStudyControl _master, int _ds) : base(_master, _ds) { }

//public static double Price{private get; set;}
public ISeries<double> Price {private get; set; }
public Int32 Length { get; set; }
//public VariableSeries<double> Var{ get; set; }



protected override void Create()
{
// create variable objects and function objects
//if (Var1 != null)
//Var = new VariableSeries<double>(this);

}

protected override void StartCalc()
{
// assign inputs
}

protected override System.Double CalcBar()
{
// function logic
//Fehler in 39 NullReferenceException
double result = 0;
double Var1 = Price[0]; double Var2 = Price[0]; double Var3 = Price[0]; double Var4 = Price[0];
double Var5 = Price[0]; double Var6 = Price[0]; double Var7 = 2*1/6; double Var8 = 0;
double Var9 = -999999; double Var10 = -70; double Var11 = -0.010000*Var10;
double Var12 = Var11*Var11; double Var13 = Var11*Var11*Var11; double Var14 = -Var13;
double Var15 = 3*Var12+3*Var13; double Var16 = -6*Var12-3*Var11-3*Var13;
double Var17 = 1+3*Var11+Var13+3*Var12;


if (Length != 0)
{
if (Length != Var9)
{
Var7 = (2*1/Math.Abs(Length)+1);
Var8 = (1- Var7);
Var9 = Length;
}
Var1 = Var1*Var8+Price[0]*Var7 ;
Var2 = Var2*Var8+Var1*Var7 ;
Var3 = Var3*Var8+Var2*Var7 ;
Var4 = Var4*Var8+Var3*Var7 ;
Var5 = Var5*Var8+Var4*Var7 ;
Var6 = Var6*Var8+Var5*Var7 ;

// if (Length != 0)
// {
result = Var14*Var6+Var15*Var5+Var16*Var4+Var17*Var3;
// }

/*else
{
result = Price;
}*/

}
return default(System.Double);
}
}
}
}

Maybe any idea , how to solve ?
What I found is to check if sth 0 null before executing further .

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Last Updated on October 25, 2023


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