Get ChartHorizontalLie color propierty

[davidgamo]

Hi

How can I get the line's color in the chart?

I do:

foreach (ChartObject CO in this.ChartControl.ChartObjects)
{
if (CO is NinjaTrader.Gui.Chart.ChartHorizontalLine)
{
}
}

But I can't get the Color Property.

Best Regards
David

[NinjaTrader_Jesse]

Hello,

If you are trying to access a drawing object from script I will provide an example below.

You need to cast the object as the correct type to get its Pen property, there is not a Color property for any of the drawing objects as they use Pens. The color is in turn defined in the pen along with other parameters for the lines style.

foreach (IDrawObject draw in DrawObjects)
{
	if(draw.DrawType == DrawType.HorizontalLine)
	{
		IHorizontalLine hLine = draw as IHorizontalLine;	
		Print(hLine.Pen.Color.ToString());
		if(hLine.Pen.Color == Color.Blue)
			hLine.Pen.Color = Color.Red;
	}
}

For all of the drawing object types, they basically all just start with a capital I, or IRay, IHorizontalLine, etc...

If you do not cast the object to the correct type of object that it is, you will be missing the additional drawing object specific properties from the options that you are presented with.

Please let me know if I may be of additional assistance.

[ninZa]

Hi David,

Here is a similar approach if you decide to use unsupported methods:

foreach (ChartObject CO in this.ChartControl.ChartObjects) {

ChartHorizontalLine line = CO as ChartHorizontalLine;
Color lineColor;
if (line != null) lineColor = line.Pen.Color;

}

[ninZa]

Hi David,

I have edited my answer. The correct use is: line.Pen.Color

Cheers.
Pi