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Candlestick chart using chart controls

The snippet shows how to use Microsoft Chart Controls (available in .NET 4.0 and for .NET 3.5) to draw a Candlestick chart visualizing stock prices. The sample uses price of MSFT stocks over 20 days.

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#r "System.Windows.Forms.DataVisualization.dll"
open System.Windows.Forms
open System.Windows.Forms.DataVisualization.Charting

// Contains prices of MSFT stocks in the 
// OHLC (Open, High, Low, Close price) format
let prices =
  [ 26.24,25.80,26.22,25.95; 26.40,26.18,26.26,26.20
    (More data omitted) ]


// Create a chart containing a default area and show it on a form
let chart = new Chart(Dock = DockStyle.Fill)
let form = new Form(Visible = true, Width = 700, Height = 500)
chart.ChartAreas.Add(new ChartArea("MainArea"))
form.Controls.Add(chart)

// Create series and add it to the chart
let series = new Series(ChartType = SeriesChartType.Candlestick)
chart.Series.Add(series)

// Add data to the series in a loop
for o,h,l,c in prices do
  [| o; h; l; c |] |> Array.map box |> series.Points.AddY |> ignore

namespace System

namespace System.Windows

namespace System.Windows.Forms

namespace System.Windows.Forms.DataVisualization

namespace System.Windows.Forms.DataVisualization.Charting

val prices : (float * float * float * float) list

Full name: Script.prices

26.37,26.04,26.11,26.08; 26.78,26.15,26.60,26.16
    26.86,26.51,26.69,26.58; 26.95,26.50,26.91,26.55
    27.06,26.50,26.64,26.77; 26.86,26.43,26.53,26.59
    27.10,26.52,26.78,26.59; 27.21,26.99,27.13,27.06
    27.37,26.91,26.97,27.21; 27.07,26.60,27.05,27.02
    27.33,26.95,27.04,26.96; 27.27,26.95,27.21,27.23
    27.81,27.07,27.76,27.25; 27.94,27.29,27.93,27.50
    28.26,27.91,28.19,27.97; 28.34,28.05,28.10,28.28
    28.34,27.79,27.80,28.20; 27.84,27.51,27.70,27.77

val chart : Chart

Full name: Script.chart

Multiple items
type Chart =
  inherit Control
  new : unit -> Chart
  member AlignDataPointsByAxisLabel : unit -> unit + 3 overloads
  member Annotations : AnnotationCollection
  member AntiAliasing : AntiAliasingStyles with get, set
  member ApplyPaletteColors : unit -> unit
  member BackColor : Color with get, set
  member BackGradientStyle : GradientStyle with get, set
  member BackHatchStyle : ChartHatchStyle with get, set
  member BackImage : string with get, set
  member BackImageAlignment : ChartImageAlignmentStyle with get, set
  ...

Full name: System.Windows.Forms.DataVisualization.Charting.Chart

--------------------
Chart() : unit

field DockStyle.Fill = 5

val form : Form

Full name: Script.form

Multiple items
type Form =
  inherit ContainerControl
  new : unit -> Form
  member AcceptButton : IButtonControl with get, set
  member Activate : unit -> unit
  member ActiveMdiChild : Form
  member AddOwnedForm : ownedForm:Form -> unit
  member AllowTransparency : bool with get, set
  member AutoScale : bool with get, set
  member AutoScaleBaseSize : Size with get, set
  member AutoScroll : bool with get, set
  member AutoSize : bool with get, set
  ...
  nested type ControlCollection

Full name: System.Windows.Forms.Form

--------------------
Form() : unit

property Chart.ChartAreas: ChartAreaCollection

System.Collections.ObjectModel.Collection.Add(item: ChartArea) : unit
ChartAreaCollection.Add(name: string) : ChartArea

Multiple items
type ChartArea =
  inherit ChartNamedElement
  new : unit -> ChartArea + 1 overload
  member AlignWithChartArea : string with get, set
  member AlignmentOrientation : AreaAlignmentOrientations with get, set
  member AlignmentStyle : AreaAlignmentStyles with get, set
  member Area3DStyle : ChartArea3DStyle with get, set
  member Axes : Axis[] with get, set
  member AxisX : Axis with get, set
  member AxisX2 : Axis with get, set
  member AxisY : Axis with get, set
  member AxisY2 : Axis with get, set
  ...

Full name: System.Windows.Forms.DataVisualization.Charting.ChartArea

--------------------
ChartArea() : unit
ChartArea(name: string) : unit

property Control.Controls: Control.ControlCollection

Control.ControlCollection.Add(value: Control) : unit

val series : Series

Full name: Script.series

Multiple items
type Series =
  inherit DataPointCustomProperties
  new : unit -> Series + 2 overloads
  member AxisLabel : string with get, set
  member ChartArea : string with get, set
  member ChartType : SeriesChartType with get, set
  member ChartTypeName : string with get, set
  member EmptyPointStyle : DataPointCustomProperties with get, set
  member Enabled : bool with get, set
  member IsXValueIndexed : bool with get, set
  member Legend : string with get, set
  member MarkerStep : int with get, set
  ...

Full name: System.Windows.Forms.DataVisualization.Charting.Series

--------------------
Series() : unit
Series(name: string) : unit
Series(name: string, yValues: int) : unit

field SeriesChartType.Candlestick = 20

property Chart.Series: SeriesCollection

System.Collections.ObjectModel.Collection.Add(item: Series) : unit
SeriesCollection.Add(name: string) : Series

val o : float

val h : float

val l : float

val c : float

module Array

from Microsoft.FSharp.Collections

val map : mapping:('T -> 'U) -> array:'T [] -> 'U []

Full name: Microsoft.FSharp.Collections.Array.map

val box : value:'T -> obj

Full name: Microsoft.FSharp.Core.Operators.box

property Series.Points: DataPointCollection

DataPointCollection.AddY([<System.ParamArray>] yValue: obj []) : int
DataPointCollection.AddY(yValue: float) : int

val ignore : value:'T -> unit

Full name: Microsoft.FSharp.Core.Operators.ignore

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More information

Link:	http://fssnip.net/3e
Posted:	13 years ago
Author:	Tomas Petricek
Tags:	charting , chart controls