C# SciChart在插入新轴时引发异常
我有两个C# SciChart在插入新轴时引发异常,c#,wpf,scichart,C#,Wpf,Scichart,我有两个AxisCollections: private AxisCollection _xAxes = new AxisCollection(); public AxisCollection XAxes { get => _xAxes; set { _xAxes = value; OnPropertyChanged("XAxes"); } }
AxisCollection
s:
private AxisCollection _xAxes = new AxisCollection();
public AxisCollection XAxes
{
get => _xAxes;
set
{
_xAxes = value;
OnPropertyChanged("XAxes");
}
}
private AxisCollection _yAxes = new AxisCollection();
public AxisCollection YAxes
{
get => _yAxes;
set
{
_yAxes = value;
OnPropertyChanged("YAxes");
}
}
两者分别绑定到SciChartSurface
的XAxes
和YAxes
:
<s:SciChartSurface Grid.Row="0"
Grid.RowSpan="3"
Grid.Column="0"
Grid.ColumnSpan="2"
Panel.ZIndex="0"
RenderableSeries="{Binding RenderableSeries}"
ChartTitle="{Binding ChartTitle}"
XAxes="{Binding XAxes}"
YAxes="{Binding YAxes}">
添加第二个X轴会导致异常:
“SciChartSurface未呈现,因为引发了异常:
信息:这是一个非常重要的因素。”
什么是“已添加具有相同密钥的项”。我假设(尽管不确定)发生这种情况是因为所有创建的轴都具有相同的x:Key
如何解决此问题?向每个轴添加唯一Id可解决此问题:
public void AddAxes()
{
XAxes.Add(new NumericAxis() { Id = "1", AxisTitle = "X Achse"});
XAxes.Add(new NumericAxis() { Id = "2", AxisTitle = "X Achse 2" });
YAxes.Add(new NumericAxis() { AxisTitle = "Y Achse", AxisAlignment = AxisAlignment.Left});
}
public void AddAxes()
{
XAxes.Add(new NumericAxis() { Id = "1", AxisTitle = "X Achse"});
XAxes.Add(new NumericAxis() { Id = "2", AxisTitle = "X Achse 2" });
YAxes.Add(new NumericAxis() { AxisTitle = "Y Achse", AxisAlignment = AxisAlignment.Left});
}