Updated sample

Author: Sowndharya1911

GetDataPointsSample/AppShell.xaml

@@ -4,12 +4,15 @@
     xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
     xmlns:local="clr-namespace:GetDataPointsSample"
-    Shell.FlyoutBehavior="Disabled"
+    Shell.FlyoutBehavior="Flyout"
     Title="GetDataPointsSample">
 
-    <ShellContent
-        Title="Home"
-        ContentTemplate="{DataTemplate local:MainPage}"
-        Route="MainPage" />
+    <ShellContent Title="Custom Drawing" 
+                  ContentTemplate="{DataTemplate local:MainPage}"
+                  Route="MainPage" />
+
+    <ShellContent Title="Selection Zoom Event" 
+                  ContentTemplate="{DataTemplate local:SelectionZoomEvent}"
+                  Route="SelectionZoomEvent" />
 
 </Shell>

GetDataPointsSample/SelectionZoomEvent.xaml

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             xmlns:chart="clr-namespace:Syncfusion.Maui.Charts;assembly=Syncfusion.Maui.Charts"
+             xmlns:model="clr-namespace:GetDataPointsSample"
+             x:Class="GetDataPointsSample.SelectionZoomEvent"
+             Title="SelectionZoomEvent">
+
+
+    <ContentPage.BindingContext>
+        <model:ScatterSeriesViewModel x:Name="viewModel"/>
+    </ContentPage.BindingContext>
+
+    <chart:SfCartesianChart HorizontalOptions="Fill" VerticalOptions="Fill" 
+                           x:Name="cartesianChart" 
+                           IsTransposed="True"
+                           SelectionZoomDelta="Chart_SelectionZoomDelta"
+                           SelectionZoomEnd="Chart_SelectionZoomEnd">
+
+        <chart:SfCartesianChart.ZoomPanBehavior>
+            <chart:ChartZoomPanBehavior EnableSelectionZooming="True"/>
+        </chart:SfCartesianChart.ZoomPanBehavior>
+        
+        <chart:SfCartesianChart.XAxes>
+            <chart:NumericalAxis x:Name="primaryAxis" Minimum="100" Maximum="220" 
+                                 Interval="20"/>
+        </chart:SfCartesianChart.XAxes>
+        
+        <chart:SfCartesianChart.YAxes>
+            <chart:NumericalAxis x:Name="secondaryAxis" Minimum="50" Maximum="80" Interval="5"/>
+        </chart:SfCartesianChart.YAxes>
+        
+        <chart:SfCartesianChart.Series>
+            <chart:ScatterSeries ItemsSource="{Binding Data}" XBindingPath="XValue" YBindingPath="YValue"  Opacity="0.8" Fill="#FE7A36"  >
+                <chart:ScatterSeries.SelectionBehavior>
+                    <chart:DataPointSelectionBehavior Type="Multiple"  SelectionBrush="#3652AD"/>
+                </chart:ScatterSeries.SelectionBehavior>
+            </chart:ScatterSeries>
+        </chart:SfCartesianChart.Series>
+        
+    </chart:SfCartesianChart>
+
+</ContentPage>

GetDataPointsSample/SelectionZoomEvent.xaml.cs

@@ -0,0 +1,48 @@
+using Syncfusion.Maui.Charts;
+
+namespace GetDataPointsSample;
+
+public partial class SelectionZoomEvent : ContentPage
+{
+    public SelectionZoomEvent()
+    {
+        InitializeComponent();
+    }
+    private void Chart_SelectionZoomEnd(object sender, ChartSelectionZoomEventArgs e)
+    {
+        primaryAxis.ZoomFactor = 1;
+        primaryAxis.ZoomPosition = 0;
+        secondaryAxis.ZoomFactor = 1;
+        secondaryAxis.ZoomPosition = 0;
+    }
+
+    private void Chart_SelectionZoomDelta(object sender, ChartSelectionZoomDeltaEventArgs e)
+    {
+        var selectedIndexes = new List<int>();
+
+        if (cartesianChart is SfCartesianChart)
+        {
+            foreach (var series in cartesianChart.Series)
+            {
+                if (series is ScatterSeries scatterSeries)
+                {
+
+                    var rect = new Rect(e.ZoomRect.X - cartesianChart.SeriesBounds.Left, e.ZoomRect.Y, e.ZoomRect.Width, e.ZoomRect.Height);
+                    var dataPoints = scatterSeries.GetDataPoints(rect);
+
+                    if (dataPoints != null && viewModel != null)
+                    {
+                        for (int i = 0; i < viewModel.Data.Count; i++)
+                        {
+                            if (dataPoints.Contains(viewModel.Data[i]))
+                                selectedIndexes.Add(i);
+                        }
+                        scatterSeries.SelectionBehavior.SelectedIndexes = selectedIndexes;
+                    }
+                }
+            }
+        }
+
+    }
+}
+