how to customize charts in WPF? (using System.Windows.Controls.DataVisualization.Charting)

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question

AniketKhot-6602 asked · Apr 15 at 08:55 PM

how to customize charts in WPF? (using System.Windows.Controls.DataVisualization.Charting)

i am working on LineSeries Chart . i want to have following customizations

1) the Box in which legends are shown i wan to remove it , as i have single series i dont want legends and box. in my case an empty box is there. please refer the image

2) how to have tooltip of datapoint as always visible. by default i have to hover the mouse then it shoes the tooltip ,i want to be always visible

3) i have given name to the Y axis data points as "Time" . and due to which the all the data points on y axis have shifted to opposite side. i want them to be on their original position. please refer the image

xaml for charts:

xmlns:dvc="clr-namespace:System.Windows.Controls.DataVisualization.Charting;assembly=System.Windows.Controls.DataVisualization.Toolkit"

                 <ItemsControl.ItemsPanel>
                     <ItemsPanelTemplate>

                         <WrapPanel ></WrapPanel>
                     </ItemsPanelTemplate>
                 </ItemsControl.ItemsPanel>

                 <ItemsControl.ItemTemplate>

                     <DataTemplate>

                         <Border BorderBrush="Black" BorderThickness="1" Margin="10" >
                             <StackPanel>
                                 <Label Background="LightGray" x:Name="a" Content="{Binding TestCaseName}"/>
                                 <dvc:Chart BorderThickness="0" Height="300" Width="500" Name="Chart0" >
                                     <dvc:Chart.Axes>
                                         <dvc:CategoryAxis  Orientation="X">
                                             <dvc:CategoryAxis.Title>
                                                 Readings
                                             </dvc:CategoryAxis.Title>
                                         </dvc:CategoryAxis>

                                         <dvc:CategoryAxis  Orientation="Y">

                                             <dvc:CategoryAxis.Title>

                                                     Time 
                                             </dvc:CategoryAxis.Title>
                                         </dvc:CategoryAxis>
                                     </dvc:Chart.Axes>
                                     <dvc:Chart.Series >
                                         <dvc:LineSeries
                                         
                                         ItemsSource="{Binding SeriesData}"
                                         Title="{Binding}"
                                         x:Name="LineChart0"
                                     
                                         IndependentValueBinding="{Binding Col}"
                                         DependentValueBinding="{Binding Value}">

                                             <dvc:LineSeries.LegendItemStyle >

                                                 <Style TargetType="dvc:LegendItem">
                                                     <Setter  Property="Visibility" Value="Collapsed"/>
                                                 </Style>
                                             </dvc:LineSeries.LegendItemStyle>

                                         </dvc:LineSeries>
                                     </dvc:Chart.Series>
                                 </dvc:Chart>
                             </StackPanel>
                         </Border>
                     </DataTemplate>
                 </ItemsControl.ItemTemplate>
             </ItemsControl>

wpf

chart2.png (29.9 KiB)

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Answer 1 · 2020-04-16T03:25:26.737Z

AlexLi-MSFT answered · Apr 16 at 03:25 AM

Welcome to our Microsoft Q&A platform!

I made a example,you can try it:

add namespace:

  xmlns:dvc="clr-namespace:System.Windows.Controls.DataVisualization.Charting;assembly=System.Windows.Controls.DataVisualization.Toolkit"
         xmlns:datavis="clr-namespace:System.Windows.Controls.DataVisualization;assembly=System.Windows.Controls.DataVisualization.Toolkit"
         xmlns:chartingprimitives="clr-namespace:System.Windows.Controls.DataVisualization.Charting.Primitives;assembly=System.Windows.Controls.DataVisualization.Toolkit"

 <Window.Resources>
         <Style x:Key="DataPointStyle1" TargetType="{x:Type dvc:LineDataPoint}">
             <Setter Property="Template">
                 <Setter.Value>
                     <ControlTemplate TargetType="dvc:LineDataPoint">
                         <Grid>
                             <Ellipse Fill="{TemplateBinding Background}"/>
                             <Canvas >
                                 <TextBlock FontWeight="Bold" Text="{Binding Value}" Margin="15,-3,0,0"  />
                             </Canvas>
                         </Grid>
                     </ControlTemplate>
                 </Setter.Value>
             </Setter>
         </Style>
     </Window.Resources>
     <Window.DataContext>
         <local:MyClass/>
     </Window.DataContext>
     <Grid >
         <dvc:Chart >
             <dvc:Chart.Template>
                 <ControlTemplate TargetType="{x:Type dvc:Chart}">
                     <Grid>
                         <Grid.ColumnDefinitions>
                             <ColumnDefinition Width="10*"/>
                             <ColumnDefinition Width="*"/>
                         </Grid.ColumnDefinitions>
                         <Border Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Padding="{TemplateBinding Padding}">
                             <Grid>
                                 <Grid.RowDefinitions>
                                     <RowDefinition Height="Auto" />
                                     <RowDefinition Height="*" />
                                 </Grid.RowDefinitions>
                                 <datavis:Title Content="{TemplateBinding Title}" Style="{TemplateBinding TitleStyle}" />
                                 <chartingprimitives:EdgePanel Name="ChartArea" Style="{TemplateBinding ChartAreaStyle}" Grid.Row="1" Margin="0,15,0,15">
                                     <Grid Panel.ZIndex="-1" Style="{TemplateBinding PlotAreaStyle}" />
                                     <Border Panel.ZIndex="10" BorderBrush="#FF919191" BorderThickness="1" />
                                 </chartingprimitives:EdgePanel>
                             </Grid>
                         </Border>
                         <Label Content="Time" Grid.Column="1" VerticalAlignment="Center" HorizontalAlignment="Center"/>
                     </Grid>
                    
 
                 </ControlTemplate>
                 
             </dvc:Chart.Template>
             <dvc:Chart.Axes>
                     <dvc:CategoryAxis Orientation="X">
                         <dvc:CategoryAxis.AxisLabelStyle>
                             <Style x:Name="labelStyleX1" TargetType="Control">
                                 <Setter Property="FontSize" Value="15"/>
                                 <Setter Property="LayoutTransform" >
                                     <Setter.Value>
                                         <RotateTransform  Angle="-45" />
                                     </Setter.Value>
                                 </Setter>
                                 <Setter Property="Foreground" Value="Black"/>
                             </Style>
                         </dvc:CategoryAxis.AxisLabelStyle>
                     </dvc:CategoryAxis>
                 </dvc:Chart.Axes>
             <dvc:Chart.Series>
                 <dvc:LineSeries ItemsSource="{Binding Line1}" 
                            DependentValuePath="Value" 
                            IndependentValuePath="Id"   DataPointStyle="{StaticResource DataPointStyle1}">
                         <dvc:LineSeries.LegendItemStyle >
                             <Style TargetType="dvc:LegendItem">
                                 <Setter Property="Visibility" Value="Collapsed"/>
                             </Style>
                         </dvc:LineSeries.LegendItemStyle>
                     </dvc:LineSeries>
                 </dvc:Chart.Series>
             </dvc:Chart>
         </Grid>

C# code:

  public class MyClass
     {
         public MyClass()
         {
             Line1.Add(new Data() { Id = 1, Value = 200 });
             Line1.Add(new Data() { Id = 2, Value = 150 });
             Line1.Add(new Data() { Id = 3, Value = 0 });
             Line1.Add(new Data() { Id = 4, Value = 200 });
             Line1.Add(new Data() { Id = 5, Value = 150 });
             Line1.Add(new Data() { Id = 6, Value = 0});
          
         }
         public List<Data> Line1 { get; set; } = new List<Data>();
         public class Data
         {
             public int Value { get; set; }
             public int Id { get; set; }
         }
     }

annotation-2020-04-16-112311.png (26.7 KiB)

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