Updated the README.md file

README.md

@@ -1 +1,148 @@
 **[View document in Syncfusion .NET MAUI Knowledge Base](https://www.syncfusion.com/kb/13080/how-to-change-selected-image-in-net-maui-listview-sflistview)**
+
+## Sample
+
+```xaml
+ <ContentPage.Resources>
+    <ResourceDictionary>
+        <local:IconColorConverter x:Key="IconColorConverter"/>
+        <local:SelectionIconConverter x:Key="SelectionIconConverter"/>
+        <DataTemplate x:Name="ItemTemplate" x:Key="ItemTemplate" >
+            <code>
+            . . .
+            . . .
+            <code>
+        </DataTemplate>
+    </ResourceDictionary>
+</ContentPage.Resources>
+
+<syncfusion:SfListView x:Name="listView"
+                    Grid.Row="1"
+                    AutoFitMode="None"
+                    SelectionGesture="Tap"
+                    SelectionMode="Multiple"
+                    SelectedItems="{Binding SelectedItems}"
+                    SelectionBackground ="#E4E4E4"
+                    ItemTemplate="{StaticResource ItemTemplate}"
+                    ItemSize="65" ItemSpacing="0,0,0,1"
+                    IsStickyHeader="True" ItemsSource="{Binding MusicInfo}">
+</syncfusion:SfListView>
+
+C#:
+
+ListView.SelectionChanged += ListView_SelectionChanged;
+
+private void ListView_SelectionChanged(object sender, ItemSelectionChangedEventArgs e)
+{
+    if (ListView.SelectionMode == Syncfusion.Maui.ListView.SelectionMode.Multiple)
+    {
+        SelectionViewModel.HeaderInfo = ListView.SelectedItems.Count + " item(s) selected";
+        for (int i = 0; i < e.AddedItems.Count; i++)
+        {
+            var item = e.AddedItems[i];
+            (item as Musiqnfo).IsSelected = true;
+        }
+        for (int i = 0; i < e.RemovedItems.Count; i++)
+        {
+            var item = e.RemovedItems[i];
+            (item as Musiqnfo).IsSelected = false;
+        }
+
+        if (ListView.SelectedItems.Count == SelectionViewModel.MusicInfo.Count)
+            SelectionViewModel.IsAllSelected = true;
+        else
+            SelectionViewModel.IsAllSelected = false;
+    }
+}
+
+private void selectAllIconTapped_Tapped()
+{
+    if (ListView.SelectedItems.Count == SelectionViewModel.MusicInfo.Count)
+    {
+        this.ListView.SelectedItems.Clear();
+    }
+    else
+    {
+        this.ListView.SelectAll();
+    }
+
+    UpdateSelectionTempate(null, true);
+}
+
+public void UpdateSelectionTempate(ItemLongPressEventArgs args = null, bool tappedSelectAll = false)
+{
+    if (ListView.SelectedItems.Count > 0 || args != null)
+    {
+        ListView.SelectionMode = Syncfusion.Maui.ListView.SelectionMode.Multiple;
+        if (!tappedSelectAll)
+            ListView.SelectedItems.Clear();
+        if (args != null)
+        {
+            var currentItem = args.DataItem as Musiqnfo;
+            if (currentItem != null)
+            {
+                currentItem.IsSelected = true;
+                this.ListView.SelectedItems.Add(currentItem);
+            }
+        }
+        SelectionViewModel.HeaderInfo = ListView.SelectedItems.Count + " item(s) selected";
+
+        if (tappedSelectAll)
+        {
+            if (ListView.SelectedItems.Count == SelectionViewModel.MusicInfo.Count)
+            {
+                for (int i = 0; i < SelectionViewModel.MusicInfo.Count; i++)
+                {
+                    var item = SelectionViewModel.MusicInfo[i];
+                    (item as Musiqnfo).IsSelected = true;
+                }
+
+                SelectionViewModel.IsAllSelected = true;
+            }
+        }
+
+    }
+    else
+    {
+        SelectionViewModel.HeaderInfo = "0 item(s) selected";
+        for (int i = 0; i < SelectionViewModel.MusicInfo.Count; i++)
+        {
+            var item = SelectionViewModel.MusicInfo[i];
+            (item as Musiqnfo).IsSelected = false;
+        }
+        SelectionViewModel.IsAllSelected = false;
+    }
+}
+
+public class IconColorConverter : IValueConverter
+{
+    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+    {
+        if ((bool)value)
+            return Color.FromArgb("#1a75ff");
+        else
+            return Color.FromArgb("#b3b3b3");
+    }
+
+    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+    {
+        throw new NotImplementedException();
+    }
+}
+
+public class SelectionIconConverter : IValueConverter
+{
+    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+    {
+        if ((bool)value)
+            return "\ue748";
+        else
+            return "\ue718";
+    }
+
+    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+    {
+        throw new NotImplementedException();
+    }
+}
+```