Changing the value of indicator lines.

[Kaiviti57]

I have a plot that has 2 horizontal lines on it. These lines have default values of 2 and 4. I have set the indicator with the intention that these values can be changed by the user. However, when I change either of the values, nothing happens.

[NinjaTrader_BrandonH]

Hello Kaiviti57,

Thanks for your post.

If you have horizontal lines being placed on the chart by calling the AddLine() method or the Draw.HorizontalLine() method, you would need to ensure that your user-defined variables are being used when calling the method that makes a horizontal line in your script.

For example, if you have a user-defined property called LineUpper, this variable would need to be used when calling your method to place the lines. If you are using AddLine(), the code might look something like below.

AddLine(Brushes.Gray, LineUpper, "Upper");

See the help guide documentation below for more information.
AddLine(): https://ninjatrader.com/support/help...t8/addline.htm
Draw.HorizontalLine(): https://ninjatrader.com/support/help...zontalline.htm

Let us know if we may assist further.

[Kaiviti57]

Yeah, I think I have already done that. See the below screenshot, please. I am also attaching the indicator file if that helps.

[NinjaTrader_BrandonH]

Hello Kaiviti57,

Thanks for your note.

I see that you are calling AddLine() in State.SetDefaults. State.SetDefaults is only processed once when initially applying the indicator to a chart.

You would need to move the AddLine() methods in the script to State.Configure if you would like to update the values of AddLine() dynamically based on a user-defined input. The code might look something like this.

else if (State == State.Configure)
{
    AddLine(Brushes.Linen, 0, "Zero");
    AddLine(Brushes.Olive, LineUpper, "Upper");
    AddLine(Brushes.Firebrick, LineLower, "Lower");
}

See this help guide page for more information and sample code: https://ninjatrader.com/support/help...t8/addline.htm

Let us know if we may assist further.