Updated the README.md file.

Author: Anandh-SF4665

README.md

@@ -2,6 +2,72 @@
 
 This example demonstrates how to swipe an item programmatically in xamarin.forms listview.
 
+## Sample
+
+```xaml
+<StackLayout>
+    <Grid HeightRequest="50">
+        <Button x:Name="RightSwipe" Text="Right Swipe Button" />
+        <Button x:Name="LeftSwipe" Text="Left Swipe Button" Grid.Column="1"/>
+    </Grid>
+    <listView:SfListView x:Name="listView" ItemSize="70" SelectionMode="Single" AllowSwiping="True" ItemSpacing="0,0,5,0" >
+
+        <listView:SfListView.LeftSwipeTemplate>
+            <DataTemplate>
+                <ViewCell>
+                    <ViewCell.View>
+                        <Grid BackgroundColor="SlateBlue"  HorizontalOptions="Fill" VerticalOptions="Fill">
+                            <Label Text="Left Swipe Template" TextColor="White" VerticalOptions="Center" HorizontalOptions="Center"/>
+                        </Grid>
+                    </ViewCell.View>
+                </ViewCell>
+            </DataTemplate>
+        </listView:SfListView.LeftSwipeTemplate>
+
+        <listView:SfListView.RightSwipeTemplate>
+            <DataTemplate>
+                <ViewCell>
+                    <ViewCell.View>
+                        <Grid BackgroundColor="SlateBlue" HorizontalOptions="Fill" VerticalOptions="Fill">
+                            <Label Text="Right Swipe Template" TextColor="White" VerticalOptions="Center"/>
+                        </Grid>
+                    </ViewCell.View>
+                </ViewCell>
+            </DataTemplate>
+        </listView:SfListView.RightSwipeTemplate>
+
+        <listView:SfListView.ItemTemplate>
+            <DataTemplate>
+                <ViewCell>
+                    <ViewCell.View>
+                        <code>
+                        . . .
+                        . . .
+                        <code>
+                    </ViewCell.View>
+                </ViewCell>
+            </DataTemplate>
+        </listView:SfListView.ItemTemplate>
+    </listView:SfListView>
+</StackLayout>
+
+Code Behind :
+Button rightSwipeButton = bindable.FindByName<Button>("RightSwipe");
+Button leftSwipeButton = bindable.FindByName<Button>("LeftSwipe");
+rightSwipeButton.Clicked += RightSwipeButton_Clicked;
+leftSwipeButton.Clicked += LeftSwipeButton_Clicked;
+
+private void LeftSwipeButton_Clicked(object sender, EventArgs e)
+{
+    ListView.SwipeItem(viewModel.contactsinfo[1], 200);
+}
+
+private void RightSwipeButton_Clicked(object sender, EventArgs e)
+{
+    ListView.SwipeItem(viewModel.contactsinfo[1], -150);
+}
+```
+
 ## Requirements to run the demo
 
 * [Visual Studio 2017](https://visualstudio.microsoft.com/downloads/) or [Visual Studio for Mac](https://visualstudio.microsoft.com/vs/mac/)