WPF-956968-Updated the WPF KB sample and readme file

WPF_Sample/Sample/App.xaml → CustomLegendSample/App.xaml

@@ -1,6 +1,7 @@
-<Application x:Class="Sample.App"
+<Application x:Class="CustomLegendSample.App"
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:CustomLegendSample"
              StartupUri="MainWindow.xaml">
     <Application.Resources>
 

WPF_Sample/Sample/App.xaml.cs → CustomLegendSample/App.xaml.cs

@@ -1,17 +1,14 @@
-using System;
-using System.Collections.Generic;
-using System.Configuration;
+using System.Configuration;
 using System.Data;
-using System.Linq;
-using System.Threading.Tasks;
 using System.Windows;
 
-namespace Sample
+namespace CustomLegendSample
 {
     /// <summary>
     /// Interaction logic for App.xaml
     /// </summary>
     public partial class App : Application
     {
     }
+
 }

CustomLegendSample/AssemblyInfo.cs

@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None,            //where theme specific resource dictionaries are located
+                                                //(used if a resource is not found in the page,
+                                                // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly   //where the generic resource dictionary is located
+                                                //(used if a resource is not found in the page,
+                                                // app, or any theme specific resource dictionaries)
+)]

CustomLegendSample/CustomLegendSample.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net9.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.SfChart.WPF" Version="*" />
+  </ItemGroup>
+
+</Project>

CustomLegendSample/CustomLegendSample.sln

@@ -0,0 +1,22 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.12.35527.113 d17.12
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CustomLegendSample", "CustomLegendSample.csproj", "{3CCAEB5F-6EA0-45F3-8320-34B305EDE66D}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{3CCAEB5F-6EA0-45F3-8320-34B305EDE66D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3CCAEB5F-6EA0-45F3-8320-34B305EDE66D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3CCAEB5F-6EA0-45F3-8320-34B305EDE66D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3CCAEB5F-6EA0-45F3-8320-34B305EDE66D}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

WPF_Sample/Sample/MainWindow.xaml → CustomLegendSample/MainWindow.xaml

@@ -1,44 +1,43 @@
-<Window x:Class="Sample1.MainWindow"
+<Window x:Class="CustomLegendSample.MainWindow"
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-        xmlns:local="clr-namespace:Sample1"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:chart="clr-namespace:Syncfusion.UI.Xaml.Charts;assembly=Syncfusion.SfChart.WPF"
-        Title="Sample" WindowState="Maximized"
-        x:Name="window" 
-        Height="500" Width="725">
+        xmlns:local="clr-namespace:CustomLegendSample"
+        mc:Ignorable="d"
+        Title="Sample" WindowState="Maximized" x:Name="window" Height="500" Width="725">
+
     <Grid x:Name="grid" Margin="10">
         <Grid.DataContext>
-            <local:ViewModel x:Name="viewModel"></local:ViewModel>
+            <local:ViewModel x:Name="viewModel"/>
         </Grid.DataContext>
+
         <Grid.Resources>
             <DataTemplate x:Key="itemTemplate">
 
                 <StackPanel Margin="10,0,10,0"  Orientation="Horizontal">
 
                     <CheckBox Margin="2" Tag="{Binding}"
-                              IsChecked="True"
-                              Checked="CheckBox_Checked" Unchecked="CheckBox_Unchecked"/>
+                          IsChecked="True"
+                          Checked="CheckBox_Checked" Unchecked="CheckBox_Unchecked"/>
                     <Rectangle  Width="{Binding IconWidth}" Height="{Binding IconHeight}"
-                                        
-                            Fill="{Binding Interior}" Margin="2"/>
+
+                        Fill="{Binding Interior}" Margin="2"/>
 
                     <TextBlock HorizontalAlignment="Center"
-                               Margin="5,0,0,0"
-                               VerticalAlignment="Center"
-                               Text="{Binding Item.XValue}">
+                           Margin="5,0,0,0"
+                           VerticalAlignment="Center"
+                           Text="{Binding Item.XValue}">
 
                     </TextBlock>
-
                 </StackPanel>
-
             </DataTemplate>
         </Grid.Resources>
-        <chart:SfChart   x:Name="chart">
-            
+
+        <chart:SfChart x:Name="chart">
             <local:PieSeriesExt x:Name="series1" Label="Series" XBindingPath="XValue" YBindingPath="YValue" />
             <local:PieSeriesExt x:Name="series2" XBindingPath="XValue" YBindingPath="YValue" />
-
         </chart:SfChart>
-
-    </Grid>    
+    </Grid>
 </Window>

WPF_Sample/Sample/MainWindow.xaml.cs → CustomLegendSample/MainWindow.xaml.cs

@@ -1,29 +1,11 @@
-using Syncfusion.UI.Xaml.Charts;
-using System;
-using System.Collections.Generic;
-using System.Collections.ObjectModel;
-using System.Collections.Specialized;
-using System.ComponentModel;
-using System.Diagnostics;
-using System.Globalization;
-using System.Linq;
-using System.Text;
-using System.Threading;
-using System.Threading.Tasks;
-using System.Windows;
-using System.Windows.Controls;
-using System.Windows.Data;
-using System.Windows.Documents;
-using System.Windows.Input;
-using System.Windows.Media;
-using System.Windows.Media.Imaging;
-using System.Windows.Navigation;
-using System.Windows.Shapes;
-using System.Collections;
-using System.Reflection;
-
-namespace Sample1
+namespace CustomLegendSample
 {
+    using Syncfusion.UI.Xaml.Charts;
+    using System.Collections.ObjectModel;
+    using System.Reflection;
+    using System.Windows;
+    using System.Windows.Controls;
+
     /// <summary>
     /// Interaction logic for MainWindow.xaml
     /// </summary>
@@ -57,7 +39,7 @@ public MainWindow()
 
             legend.ItemTemplate = grid.Resources["itemTemplate"] as DataTemplate;
             chart.Legend = legend;
-         
+
         }
 
         private void CheckBox_Checked(object sender, RoutedEventArgs e)
@@ -103,44 +85,8 @@ private void UpdateArea()
             info?.Invoke(chart, new object[] { true });
         }
     }
-    public class Model
-    {
-        public string XValue { get; set; }
-        public double YValue { get; set; }
-    }
-
-        public class ViewModel
-        {
-            public ViewModel()
-            {
-                GenerateData();
-            }
 
-            public void GenerateData()
-            {
-                Data = new ObservableCollection<Model>();
-                Random rd = new Random();
-                for (int i = 0; i < 6; i++)
-                {
-                    Data.Add(new Model()
-                    {
-                        XValue = "Label" +i.ToString(),
-                        YValue = rd.Next(0, 50)
-                    });
-                }
-            }
-
-            private ObservableCollection<Model> data;
-
-            public ObservableCollection<Model> Data
-            {
-                get { return data; }
-                set { data = value; }
-            }
-
-        }
-
-    public class PieSeriesExt :PieSeries
+    public class PieSeriesExt : PieSeries
     {
         public ObservableCollection<ChartSegment> ChartSegments
         {
@@ -150,5 +96,4 @@ public ObservableCollection<ChartSegment> ChartSegments
             }
         }
     }
-
-}
+}

CustomLegendSample/Model/Model.cs

@@ -0,0 +1,8 @@
+namespace CustomLegendSample
+{
+    public class Model
+    {
+        public string XValue { get; set; }
+        public double YValue { get; set; }
+    }
+}

CustomLegendSample/ViewModel/ViewModel.cs

@@ -0,0 +1,35 @@
+namespace CustomLegendSample
+{
+    using System.Collections.ObjectModel;
+
+    public class ViewModel
+    {
+        public ViewModel()
+        {
+            GenerateData();
+        }
+
+        public void GenerateData()
+        {
+            Data = new ObservableCollection<Model>();
+            Random rd = new Random();
+            for (int i = 0; i < 6; i++)
+            {
+                Data.Add(new Model()
+                {
+                    XValue = "Label" + i.ToString(),
+                    YValue = rd.Next(0, 50)
+                });
+            }
+        }
+
+        private ObservableCollection<Model> data;
+
+        public ObservableCollection<Model> Data
+        {
+            get { return data; }
+            set { data = value; }
+        }
+
+    }
+}

README.md

@@ -97,8 +97,16 @@ private void UpdateArea()
 
 ## Output:
 
+The following demo image illustrates creating custom legend items, with and without toogle functionality in WPF, following the implemented steps.
+
 ![custom legend without toggle wpf chart.png](custom-legend-without-toggle.png)
 
 ![custom legend with toggle wpf chart](custom-legend-with-toggle.png)
 
-KB article - [How to create custom legend items in WPF Chart?](https://www.syncfusion.com/kb/10675/how-to-create-custom-legend-items-in-wpf-chart)
+## Troubleshooting
+
+#### Path too long exception
+
+If you are facing a path too long exception when building this example project, close Visual Studio and rename the repository to a shorter name before building the project.
+
+For more details, refer to the KB on [How to create custom legend items in WPF Chart](https://www.syncfusion.com/kb/10675/how-to-create-custom-legend-items-in-wpf-chart).