上述代码想让三个图标的XY坐标轴的范围变成负无穷到 正无穷,怎么写
时间: 2024-09-24 19:13:07 浏览: 15
在.NET的图表控件中,要设置坐标轴的范围为负无穷到正无穷,可以在初始化或设置坐标轴属性时使用`Minimum`和`Maximum`属性。这里是你代码中涉及到的部分,针对负无穷到正无穷的修改如下:
```csharp
// 对于所有的坐标轴(假设都是Category Axis)
axis.Minimum = double.NegativeInfinity;
axis.Maximum = double.PositiveInfinity;
// 或者针对特定的ChartArea,比如chart1的第一个坐标轴
chart1.ChartAreas[0].AxisX.Minimum = double.NegativeInfinity;
chart1.ChartAreas[0].AxisX.Maximum = double.PositiveInfinity;
chart1.ChartAreas[0].AxisY.Minimum = double.NegativeInfinity;
chart1.ChartAreas[0].AxisY.Maximum = double.PositiveInfinity;
// 同理适用于chart2和chart3
chart2.ChartAreas[0].AxisX.Minimum = double.NegativeInfinity;
chart2.ChartAreas[0].AxisX.Maximum = double.PositiveInfinity;
chart2.ChartAreas[0].AxisY.Minimum = double.NegativeInfinity;
chart2.ChartAreas[0].AxisY.Maximum = double.PositiveInfinity;
chart3.ChartAreas[0].AxisX.Minimum = double.NegativeInfinity;
chart3.ChartAreas[0].AxisX.Maximum = double.PositiveInfinity;
chart3.ChartAreas[0].AxisY.Minimum = double.NegativeInfinity;
chart3.ChartAreas[0].AxisY.Maximum = double.PositiveInfinity;
```
这样,每个图表的X轴和Y轴都会显示从负无穷到正无穷的数据范围。注意,如果你的实际数据显示不出这样的无限范围,可能需要根据实际数据调整这些值。