如何以现有形式显示 FSharp.Charting 图?

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问题描述

我不明白如何创建图表控件并将图表放置在现有表单中.我在网上找到的所有示例都以新形式显示图表，但我想将图表添加到我现有的一个表单中.

I don't understand how to create a chart control and place the chart in an existing form. All the examples I found on the web show the chart in a new form but I would like to add the chart to one of my existing forms.

我正在考虑这样的事情:

I'm thinking of something like this:

let form = new Form(Text="My form")
let lbl = new Label(Text="my label")
let chart = Chart.Area ["a", 10; "b", 20]

form.Controls.Add lbl
form.Controls.Add chart
// --->  The type 'ChartTypes.GenericChart' is not compatible with the type 'Control'   
Application.Run(form)

谢谢！

推荐答案

为了实现这一点，您应该将图表包装到 FSharp.Charting.ChartTypes.ChartControl 并注意正确对接.此外，您不应将 FSharp.Charting 中的 Chart 与 System.Windows.Forms.DataVisualization.Charting 中的 Chart 混合使用.

In order to achieve this you should wrap your chart into FSharp.Charting.ChartTypes.ChartControl and take care of correct docking. Also you should not mix Chart from FSharp.Charting with Chart from System.Windows.Forms.DataVisualization.Charting.

一个很好的起点可能是以下适用于当前 FSharp.Charting v0.90.5 的全功能示例；还需要对 System.Drawing 和 System.Windows.Forms 的引用:

A good staring point may be the following fully functional sample that works with the current FSharp.Charting v0.90.5; also references are required to System.Drawing and System.Windows.Forms:

open System
open FSharp.Charting
open FSharp.Charting.ChartTypes
open System.Drawing
open System.Windows.Forms

[<STAThread; EntryPoint>]
let main args =
    let myChart = [for x in 0.0 .. 0.1 .. 6.0 -> sin x + cos (2.0 * x)]
                    |> Chart.Line |> Chart.WithYAxis(Title="Test")
    let myChartControl = new ChartControl(myChart, Dock=DockStyle.Fill)
    let lbl = new Label(Text="my label")
    let form = new Form(Visible = true, TopMost = true, Width = 700, Height = 500)
    form.Controls.Add lbl
    form.Controls.Add(myChartControl)
    do Application.Run(form) |> ignore
    0

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CHARTING