CutGeometry.xaml

<UserControl
    x:Class="ArcGISRuntime.UWP.Samples.CutGeometry.CutGeometry"
    x:Name="_this"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:ArcGISRuntime.UWP.Samples.CutGeometry"
    xmlns:esriUI="using:Esri.ArcGISRuntime.UI.Controls">
    <Grid>
        <esriUI:MapView x:Name="MyMapView" />
        <Border Style="{StaticResource BorderStyle}">
            <StackPanel>
                <TextBlock x:Name="CutInstructionsLabel" 
                           Text="Click the 'Cut' button to cut the polygon with the polyline and see the resulting parts."
                           TextWrapping="Wrap"
                           Margin="0,0,0,10"/>
                <Button x:Name="CutButton" 
                    Content="Cut"
                        HorizontalAlignment="Stretch"
                    Click="CutButton_Click"/>
            </StackPanel>
        </Border>
    </Grid>
</UserControl>