Chart background color

[yaniv]

Hi,
I would like to spilt the chart into a few sections which each section chart background will be in a different background color (behind the bars)
how can i dynamically change the chart background color ?
And what if i also would like to set the background only between price range (like a box)

Thanks

[ninZa]

Hi yaniv,

You can use the BackBrush object within the OnBarUpdate() function to change the chart background color.

protected override void OnBarUpdate() {
    // Sets the chart panel back color to pale green
    BackBrush = Brushes.PaleGreen;
 
    // Sets the back color to to null which will use the default color set in the chart properties dialog window
    BackBrush = null;
 
    // Sets the back color to maroon when the closing price is less than the 20 period SMA // and to lime green when above
    BackBrush = SMA(20)[0] >= Close[0] ? Brushes.Maroon : Brushes.LimeGreen;
}

To set the background for a specific price range (like a box), use the SharpDX.Direct2D1.RenderTarget.FillRectangle() function.

For more information about the FillRectangle() function and BackBrush objects, you can refer to the following links and the attached file below:

https://ninjatrader.com/support/helpGuides/nt8/NT%20HelpGuide%20English.html?sharpdx_direct2d1_rendertarget_fillrectangle.htm

https://ninjatrader.com/support/helpGuides/nt8/NT%20HelpGuide%20English.html?backbrush.htm