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Saravanan-MadheshSaravanan-Madhesh
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Merge pull request #1 from SyncfusionExamples/How-to-display-X-and-Y-values-of-trackball-moving-trace-in-Labels-in-.NET-MAUI-Cartesian-Chart-sample
Added KB sample - How to display X and Y values of trackball moving trace in Labels in .NET MAUI Cartesian Chart
2 parents c05a016 + 04575f3 commit 85b597e

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+1483
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‎DisplayTrackballValues/DisplayTrackballValues.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.10.35027.167
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DisplayTrackballValues", "DisplayTrackballValues\DisplayTrackballValues.csproj", "{CBDBBD45-3C8E-42A5-A282-D1AFC1E0861D}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{CBDBBD45-3C8E-42A5-A282-D1AFC1E0861D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{CBDBBD45-3C8E-42A5-A282-D1AFC1E0861D}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{CBDBBD45-3C8E-42A5-A282-D1AFC1E0861D}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
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{CBDBBD45-3C8E-42A5-A282-D1AFC1E0861D}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{CBDBBD45-3C8E-42A5-A282-D1AFC1E0861D}.Release|Any CPU.Build.0 = Release|Any CPU
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{CBDBBD45-3C8E-42A5-A282-D1AFC1E0861D}.Release|Any CPU.Deploy.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {3FE2B269-B05B-4E5A-BE28-C1D888F7C384}
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EndGlobalSection
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EndGlobal

‎DisplayTrackballValues/DisplayTrackballValues/App.xaml‎

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<?xml version = "1.0" encoding = "UTF-8" ?>
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<Application xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
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xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
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xmlns:local="clr-namespace:DisplayTrackballValues"
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x:Class="DisplayTrackballValues.App">
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<Application.Resources>
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<ResourceDictionary>
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<ResourceDictionary.MergedDictionaries>
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<ResourceDictionary Source="Resources/Styles/Colors.xaml" />
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<ResourceDictionary Source="Resources/Styles/Styles.xaml" />
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</ResourceDictionary.MergedDictionaries>
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</ResourceDictionary>
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</Application.Resources>
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</Application>

‎DisplayTrackballValues/DisplayTrackballValues/App.xaml.cs‎

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namespace DisplayTrackballValues
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{
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public partial class App : Application
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{
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public App()
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{
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InitializeComponent();
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MainPage = new AppShell();
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}
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}
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}

‎DisplayTrackballValues/DisplayTrackballValues/AppShell.xaml‎

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<?xml version="1.0" encoding="UTF-8" ?>
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<Shell
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x:Class="DisplayTrackballValues.AppShell"
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xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
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xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
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xmlns:local="clr-namespace:DisplayTrackballValues"
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Shell.FlyoutBehavior="Disabled"
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Title="DisplayTrackballValues">
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<ShellContent
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ContentTemplate="{DataTemplate local:MainPage}"
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Route="MainPage" />
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</Shell>

‎DisplayTrackballValues/DisplayTrackballValues/AppShell.xaml.cs‎

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namespace DisplayTrackballValues
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{
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public partial class AppShell : Shell
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{
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public AppShell()
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{
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InitializeComponent();
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}
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}
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}

‎DisplayTrackballValues/DisplayTrackballValues/DisplayTrackballValues.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFrameworks>net8.0-android;net8.0-ios;net8.0-maccatalyst</TargetFrameworks>
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<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net8.0-windows10.0.19041.0</TargetFrameworks>
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<!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
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<!-- <TargetFrameworks>$(TargetFrameworks);net8.0-tizen</TargetFrameworks> -->
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<!-- Note for MacCatalyst:
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The default runtime is maccatalyst-x64, except in Release config, in which case the default is maccatalyst-x64;maccatalyst-arm64.
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When specifying both architectures, use the plural <RuntimeIdentifiers> instead of the singular <RuntimeIdentifier>.
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The Mac App Store will NOT accept apps with ONLY maccatalyst-arm64 indicated;
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either BOTH runtimes must be indicated or ONLY macatalyst-x64. -->
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<!-- For example: <RuntimeIdentifiers>maccatalyst-x64;maccatalyst-arm64</RuntimeIdentifiers> -->
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<OutputType>Exe</OutputType>
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<RootNamespace>DisplayTrackballValues</RootNamespace>
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<UseMaui>true</UseMaui>
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<SingleProject>true</SingleProject>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<!-- Display name -->
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<ApplicationTitle>DisplayTrackballValues</ApplicationTitle>
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<!-- App Identifier -->
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<ApplicationId>com.companyname.displaytrackballvalues</ApplicationId>
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<!-- Versions -->
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<ApplicationDisplayVersion>1.0</ApplicationDisplayVersion>
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<ApplicationVersion>1</ApplicationVersion>
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<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">11.0</SupportedOSPlatformVersion>
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<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">13.1</SupportedOSPlatformVersion>
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<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">21.0</SupportedOSPlatformVersion>
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<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</SupportedOSPlatformVersion>
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<TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</TargetPlatformMinVersion>
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<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'tizen'">6.5</SupportedOSPlatformVersion>
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</PropertyGroup>
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<ItemGroup>
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<!-- App Icon -->
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<MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4" />
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<!-- Splash Screen -->
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<MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#512BD4" BaseSize="128,128" />
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<!-- Images -->
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<MauiImage Include="Resources\Images\*" />
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<MauiImage Update="Resources\Images\dotnet_bot.png" Resize="True" BaseSize="300,185" />
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<!-- Custom Fonts -->
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<MauiFont Include="Resources\Fonts\*" />
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<!-- Raw Assets (also remove the "Resources\Raw" prefix) -->
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<MauiAsset Include="Resources\Raw\**" LogicalName="%(RecursiveDir)%(Filename)%(Extension)" />
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.Maui.Controls" Version="8.0.92" />
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<PackageReference Include="Microsoft.Maui.Controls.Compatibility" Version="8.0.92" />
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<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="8.0.1" />
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<PackageReference Include="Syncfusion.Maui.Charts" Version="*" />
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</ItemGroup>
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</Project>

‎DisplayTrackballValues/DisplayTrackballValues/MainPage.xaml‎

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<?xml version="1.0" encoding="utf-8" ?>
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<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
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xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
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x:Class="DisplayTrackballValues.MainPage"
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xmlns:chart="clr-namespace:Syncfusion.Maui.Charts;assembly=Syncfusion.Maui.Charts"
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xmlns:local="clr-namespace:DisplayTrackballValues">
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<ContentPage.BindingContext>
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<local:ViewModel x:Name="viewModel"/>
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</ContentPage.BindingContext>
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<Grid>
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<Grid.ColumnDefinitions>
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<ColumnDefinition Width="8*"/>
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<ColumnDefinition Width="2*"/>
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</Grid.ColumnDefinitions>
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<chart:SfCartesianChart x:Name="chart" Grid.Column="0" TrackballCreated="chart_TrackballCreated">
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<chart:SfCartesianChart.Title>
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<Label Text="Sales Comparison" ></Label>
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</chart:SfCartesianChart.Title>
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<chart:SfCartesianChart.XAxes>
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<chart:DateTimeAxis Interval="2" EdgeLabelsVisibilityMode="AlwaysVisible"/>
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</chart:SfCartesianChart.XAxes>
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<chart:SfCartesianChart.YAxes>
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<chart:NumericalAxis/>
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</chart:SfCartesianChart.YAxes>
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<chart:SfCartesianChart.TrackballBehavior>
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<chart:ChartTrackballBehavior ShowLabel="False"/>
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</chart:SfCartesianChart.TrackballBehavior>
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<chart:SfCartesianChart.Legend>
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<chart:ChartLegend/>
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</chart:SfCartesianChart.Legend>
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<chart:LineSeries ItemsSource="{Binding ProductSalesDetails}"
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x:Name="series1"
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XBindingPath="Date"
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YBindingPath="ProductASales"
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StrokeWidth="3"
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ShowTrackballLabel="True"
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Label="Product A"
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Fill="RoyalBlue"/>
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<chart:LineSeries ItemsSource="{Binding ProductSalesDetails}"
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x:Name="series2"
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XBindingPath="Date"
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YBindingPath="ProductBSales"
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StrokeWidth="3"
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ShowTrackballLabel="True"
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Label="Product B"
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Fill="HotPink"/>
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<chart:LineSeries ItemsSource="{Binding ProductSalesDetails}"
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x:Name="series3"
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XBindingPath="Date"
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YBindingPath="ProductCSales"
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StrokeWidth="3"
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ShowTrackballLabel="True"
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Label="Product C"
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Fill="Green"/>
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</chart:SfCartesianChart>
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<VerticalStackLayout Grid.Column="1" HorizontalOptions="Center">
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<Label HorizontalOptions="Center" Text="Trackball Values" FontAttributes="Bold"/>
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<VerticalStackLayout>
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<Frame Background="LightBlue" CornerRadius="8" Margin="5" BorderColor="Gray">
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<HorizontalStackLayout HorizontalOptions="Center" Spacing="10" VerticalOptions="Center" >
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<Label x:Name="dateLabel1"
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FontSize="14"
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FontAttributes="Bold"
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TextColor="Black"
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VerticalOptions="Center"/>
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<Label Text=" : "
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FontSize="14"
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FontAttributes="Bold"
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TextColor="Black"
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VerticalOptions="Center"/>
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<Label x:Name="valueLabel1"
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FontSize="14"
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FontAttributes="Bold"
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TextColor="Black"
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VerticalOptions="Center"/>
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</HorizontalStackLayout>
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</Frame>
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</VerticalStackLayout>
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<VerticalStackLayout>
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<Frame Background="Pink" CornerRadius="8" Margin="5" BorderColor="Gray">
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<HorizontalStackLayout HorizontalOptions="Center" Spacing="10" VerticalOptions="Center" >
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<Label x:Name="dateLabel2"
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FontSize="14"
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FontAttributes="Bold"
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TextColor="Black"
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VerticalOptions="Center"/>
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<Label Text=" : "
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FontSize="14"
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FontAttributes="Bold"
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TextColor="Black"
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VerticalOptions="Center"/>
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<Label x:Name="valueLabel2"
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FontSize="14"
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FontAttributes="Bold"
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TextColor="Black"
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VerticalOptions="Center"/>
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</HorizontalStackLayout>
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</Frame>
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</VerticalStackLayout>
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<VerticalStackLayout>
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<Frame Background="LightGreen" CornerRadius="8" Margin="5" BorderColor="Gray">
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<HorizontalStackLayout HorizontalOptions="Center" Spacing="10" VerticalOptions="Center" >
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<Label x:Name="dateLabel3"
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FontSize="14"
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FontAttributes="Bold"
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TextColor="Black"
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VerticalOptions="Center"/>
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<Label Text=" : "
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FontSize="14"
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FontAttributes="Bold"
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TextColor="Black"
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VerticalOptions="Center"/>
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<Label x:Name="valueLabel3"
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FontSize="14"
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FontAttributes="Bold"
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TextColor="Black"
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VerticalOptions="Center"/>
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</HorizontalStackLayout>
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</Frame>
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</VerticalStackLayout>
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</VerticalStackLayout>
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</Grid>
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</ContentPage>

‎DisplayTrackballValues/DisplayTrackballValues/MainPage.xaml.cs‎

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using Syncfusion.Maui.Charts;
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namespace DisplayTrackballValues
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{
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public partial class MainPage : ContentPage
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{
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public MainPage()
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{
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InitializeComponent();
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}
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private void chart_TrackballCreated(object sender, TrackballEventArgs e)
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{
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var items = e.TrackballPointsInfo;
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foreach (var item in items)
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{
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var series = item.Series;
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if (series == series1)
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{
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item.MarkerSettings = new ChartMarkerSettings()
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{
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Fill = Colors.DeepSkyBlue,
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Width = 15,
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Height = 15,
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Stroke = Colors.RoyalBlue,
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StrokeWidth = 3,
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Type = ShapeType.InvertedTriangle
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};
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dateLabel1.SetBinding(Label.TextProperty, new Binding("Date") { Source = item.DataItem, StringFormat = "{0:dd/MM/yyyy}" });
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valueLabel1.SetBinding(Label.TextProperty, new Binding("Label") { Source = item });
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}
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else if (series == series2)
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{
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item.MarkerSettings = new ChartMarkerSettings()
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{
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Fill = Colors.LightPink,
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Width = 15,
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Height = 15,
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Stroke = Colors.HotPink,
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StrokeWidth = 3,
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Type = ShapeType.Cross
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};
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dateLabel2.SetBinding(Label.TextProperty, new Binding("Date") { Source = item.DataItem, StringFormat = "{0:dd/MM/yyyy}" });
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valueLabel2.SetBinding(Label.TextProperty, new Binding("Label") { Source = item });
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}
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else if (series == series3)
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{
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item.MarkerSettings = new ChartMarkerSettings()
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{
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Fill = Colors.LightSeaGreen,
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Width = 15,
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Height = 15,
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Stroke = Colors.Green,
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StrokeWidth = 3,
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Type = ShapeType.Diamond
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};
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dateLabel3.SetBinding(Label.TextProperty, new Binding("Date") { Source = item.DataItem, StringFormat = "{0:dd/MM/yyyy}" });
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valueLabel3.SetBinding(Label.TextProperty, new Binding("Label") { Source = item });
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}
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}
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}
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}
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}

‎DisplayTrackballValues/DisplayTrackballValues/MauiProgram.cs‎

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using Microsoft.Extensions.Logging;
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using Syncfusion.Maui.Core.Hosting;
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namespace DisplayTrackballValues
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{
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public static class MauiProgram
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{
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public static MauiApp CreateMauiApp()
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{
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var builder = MauiApp.CreateBuilder();
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builder
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.UseMauiApp<App>()
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.ConfigureSyncfusionCore()
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.ConfigureFonts(fonts =>
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{
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fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
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fonts.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
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});
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#if DEBUG
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builder.Logging.AddDebug();
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#endif
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return builder.Build();
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}
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}
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}

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