vb.net 将图表的比例设置为最大值
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vb.net setting the scale to a chart to maximum
提问by Dylan de St Pern
I have a line chart in VB using the standard WinForm Chartcontrol (System.Windows.Forms.DataVisualization.Charting.Chart). On the Y axis is the amount of cars, on the X axis is the time. Each point is submitted every hour. it looks like this:
我在 VB 中有一个使用标准 WinFormChart控件 ( System.Windows.Forms.DataVisualization.Charting.Chart)的折线图。Y 轴是汽车数量，X 轴是时间。每个点每小时提交一次。它看起来像这样：
As you can see the time (X-axis) is displaying correctly, it shows 1 then 2 then 3 and so on.. but as the chart gets bigger it starts removing the grid on the x values, as well as their labels, like so:
正如您所看到的时间（X 轴）显示正确，它显示 1 然后 2 然后 3 等等......但是随着图表变大它开始删除 x 值上的网格，以及它们的标签，比如所以：
Please can someone inform me as to how I can prevent the graph from automatically removing the x values label.
请有人告诉我如何防止图表自动删除 x 值标签。
Thank you, and I have not provided code because I have tried everything and none of it seems to work. I have a feeling its somewhere in the properties for the graph.
谢谢，我还没有提供代码，因为我已经尝试了所有方法，但似乎都不起作用。我有一种感觉，它在图表的属性中的某个地方。
EDIT:
编辑：
Here is the code that I use to generate the chart.
这是我用来生成图表的代码。
Dim lightvehicleaveragetime As New Series
lightvehicleaveragetime.Name = "Light Vehicle"
lightvehicleaveragetime.ChartType = SeriesChartType.Spline
Form3.Chart1.Series.Add(lightvehicleaveragetime
lightvehicleaveragetime.IsValueShownAsLabel = True
lightvehicleaveragetime.BorderWidth = 3
The rest of the code runs in a while loop, and everytime the hour changes, it will add:
其余代码在while循环中运行，每次小时变化，它会添加：
lightvehicleaveragetime.Points.AddXY(hour & ":" & minute & ":" & seconds, alllightvehicleentriesgraphtime)
lightvehicleaveragetime.LabelToolTip = time
lightvehicleaveragetime.MarkerStyle = MarkerStyle.Circle
lightvehicleaveragetime.MarkerSize = 5
lightvehicleaveragetime.MarkerColor = Color.Black
回答by TylerDurden
It seems as if you need to restrict the x axis values to be hours. the interval type or minor/major grids might help. Have you tried
似乎您需要将 x 轴值限制为小时。间隔类型或次要/主要网格可能会有所帮助。你有没有尝试过
Chart1.ChartAreas(0).AxisX.IntervalType = DateTimeIntervalType.Hours
and try setting
并尝试设置
Chart1.ChartAreas(0).AxisX.Interval = 1
