【.Net6】【C1.FlexChart】X轴Label设置为自动换行异常

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本帖最后由 dddsssssqq 于 2022-5-17 15:15 编辑

MainWindow.xaml:

<Window
Height="450"
Title="MainWindow"
Width="800"
mc:Ignorable="d"
x:Class="FlexChartDemo.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:c1="http://schemas.componentone.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<Grid>
      <Grid.ColumnDefinitions>
         <ColumnDefinition Width="Auto" />
         <ColumnDefinition Width="Auto" />
         <ColumnDefinition Width="*" />
      </Grid.ColumnDefinitions>
      <StackPanel
         Grid.Column="0"
         Orientation="Vertical"
         Width="200">
         <Button Click="CheckData1_OnClick">Check Data1</Button>
         <Button Click="CheckData2_OnClick">Check Data2</Button>
      </StackPanel>
      <GridSplitter
         Background="Black"
         Grid.Column="1"
         HorizontalAlignment="Center"
         VerticalAlignment="Stretch"
         Width="3" />
      <ScrollViewer
         Grid.Column="2"
         HorizontalScrollBarVisibility="Auto"
         VerticalScrollBarVisibility="Disabled">
         <ScrollViewer.Resources>
            <c1:ChartStyle
                  FontWeight="Bold"
                  LinePattern="Dash"
                  Stroke="Black"
                  StrokeThickness="0.2"
                  x:Key="ChartStyle" />
         </ScrollViewer.Resources>
         <c1:FlexChart
            BindingX="Time"
            ChartType="Column"
            Margin="0,30,0,0"
            MinWidth="500"
            x:Name="flexChart">
            <c1:FlexChart.DataLabel>
                  <c1:DataLabel Content="{}{y

}" Position="Top" />
            </c1:FlexChart.DataLabel>
            <c1:FlexChart.ToolTip>
                  <ToolTip Visibility="Collapsed" />
            </c1:FlexChart.ToolTip>
            <c1:Series Binding="

DF" Tooltip="{}{y}" />
            <c1:Series
                  Binding="CDf"
                  ChartType="LineSymbols"
                  SymbolMarker="Dot"
                  SymbolSize="5"
                  Visibility="Hidden" />
            <c1:FlexChart.AxisY>
                  <c1:Axis
                     AxisLine="False"
                     Format="

0"
                     MajorGrid="True"
                     MajorGridStyle="{StaticResource ChartStyle}"
                     MajorUnit="0.05"
                     Max="1"
                     Min="0"
                     Position="Left"
                     TickLength="0" />
            </c1:FlexChart.AxisY>
            <c1:FlexChart.AxisX>
                  <c1:Axis OverlappingLabels="WordWrap" />
            </c1:FlexChart.AxisX>
         </c1:FlexChart>
      </ScrollViewer>
</Grid>
</Window>

MainWindow.xaml.cs:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
using System.Windows.Media;
using C1.WPF.Chart;

namespace FlexChartDemo;

/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window {
private readonly List<SolidColorBrush> _brushs = new() {
      new SolidColorBrush(Colors.Red),
      new SolidColorBrush(Colors.OrangeRed),
      new SolidColorBrush(Colors.Orange),
      new SolidColorBrush(Colors.Yellow),
      new SolidColorBrush(Colors.YellowGreen),
      new SolidColorBrush(Colors.GreenYellow)
};

private readonly List<int> _data = new();
private readonly Random rnd = new();
private List<DataItem> _data1;
private List<DataItem> _data2;

public MainWindow() {
      InitializeComponent();
      for (var i = 0; i < 12; i++) {
         _data.Add(rnd.Next(20, 100));
      }

      flexChart.ItemsSource = Data1;
      flexChart.Series[0].SymbolRendering += FlexchartSymbolRendering;
      flexChart.Series[1].SymbolRendering += FlexchartSymbolRendering;
}

public List<DataItem> Data1 {
      get {
         if (_data1 == null) {
            var sum = _data.Sum() * 1.0;
            var count = 0;
            _data1 = new List<DataItem>();
            for (var i = 0; i < 7; i++) {
                  count += _data[i];
                  _data1.Add(new DataItem {
                     Time = $"{i + 1}",
                     PDF = Math.Round(_data[i] / sum, 4),
                     CDf = Math.Round(count / sum, 4)
                  });
            }
         }

         return _data1;
      }
}

public List<DataItem> Data2 {
      get {
         if (_data2 == null) {
            var sum = _data.Sum() * 1.0;
            var count = 0;
            _data2 = new List<DataItem>();
            for (var i = 0; i < 9; i++) {
                  count += _data[i];
                  _data2.Add(new DataItem {
                     Time = $"{i + 1},{i + 1},{i + 1},{i + 1}, {i + 1},{i + 1},{i + 1} ",
                     PDF = Math.Round(_data[i] / sum, 4),
                     CDf = Math.Round(count / sum, 4)
                  });
            }
         }

         return _data2;
      }
}

private void FlexchartSymbolRendering(object? sender, RenderSymbolEventArgs e) {
      e.Engine.SetFill(_brushs[e.Index % 6]);
}

private void CheckData1_OnClick(object sender, RoutedEventArgs e) {
      flexChart.ItemsSource = Data1;
}

private void CheckData2_OnClick(object sender, RoutedEventArgs e) {
      flexChart.ItemsSource = Data2;
}

public class DataItem {
      public string Time { get; set; }
      public double CDf { get; set; }
      public double PDF { get; set; }
}
}