Group Layer

This sample demonstrates using the GroupLayer class with local data served by the ArcGIS Runtime.

XAML

<UserControl x:Class="ArcGISWPFSDK.LocalGroupLayer"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:esri="http://schemas.esri.com/arcgis/client/2009">
    <Grid x:Name="LayoutRoot" Background="White">
        <Grid.Resources>
            <BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter"/>
            <LinearGradientBrush x:Key="PanelGradient" EndPoint="0.5,1" StartPoint="0.5,0">
                <LinearGradientBrush.RelativeTransform>
                    <TransformGroup>
                        <ScaleTransform CenterY="0.5" CenterX="0.5"/>
                        <SkewTransform CenterY="0.5" CenterX="0.5"/>
                        <RotateTransform Angle="176" CenterY="0.5" CenterX="0.5"/>
                        <TranslateTransform/>
                    </TransformGroup>
                </LinearGradientBrush.RelativeTransform>
                <GradientStop Color="#FF145787" Offset="0.16"/>
                <GradientStop Color="#FF3D7FAC" Offset="0.502"/>
                <GradientStop Color="#FF88C5EF" Offset="0.984"/>
            </LinearGradientBrush>
        </Grid.Resources>
        <esri:Map x:Name="MyMap" WrapAround="True" Extent="-15000000,2000000,-7000000,8000000" Background="#FFE3E3E3" MinimumResolution="2445.98490512499">
            <esri:ArcGISLocalTiledLayer ID="BaseMap" Path="..\Data\TPKs\Topographic.tpk"/>
            <esri:GroupLayer ID="USA">
                <esri:ArcGISLocalDynamicMapServiceLayer ID="States, Highways and Cities" Path="..\Data\MPKs\USCitiesStates.mpk"/>        
            </esri:GroupLayer>
        </esri:Map>
        <Border Background="{StaticResource PanelGradient}" BorderThickness="1" CornerRadius="5"         
            HorizontalAlignment="Right"  VerticalAlignment="Top"
            Margin="20" Padding="5" BorderBrush="Black" >
            <esri:Legend Map="{Binding ElementName=MyMap}" LayerItemsMode="Tree" LayerIDs="USA"/>
        </Border>
        <ProgressBar x:Name="MyProgressBar" IsIndeterminate="True" VerticalAlignment="Bottom" Width="200" Height="20" Margin="10" Visibility="{Binding Path=IsBusy, Converter={StaticResource BooleanToVisibilityConverter}}"></ProgressBar>
    </Grid>
</UserControl>

C#

using System.Windows.Controls;
using System.ComponentModel;

namespace ArcGISWPFSDK
{

    public partial class LocalGroupLayer : UserControl , INotifyPropertyChanged
    {
        public event PropertyChangedEventHandler PropertyChanged;

        private bool _isBusy = true;

        public bool IsBusy
        {
            get
            {
                return _isBusy;
            }
            set
            {
                _isBusy = value;

                if (PropertyChanged != null)
                {

                    PropertyChanged(this, new PropertyChangedEventArgs("IsBusy"));
                }
            }
        }
    
        public LocalGroupLayer()
        {
            InitializeComponent();

            DataContext = this;

            MyMap.Layers.LayersInitialized += (o, evt) =>
            {
                IsBusy = false;

            };
        }
    }
}

VB.NET

Imports System.Windows.Controls
Imports System.ComponentModel

Namespace ArcGISWPFSDK
    Partial Public Class LocalGroupLayer
        Inherits UserControl
        Implements INotifyPropertyChanged
        Public Event PropertyChanged As PropertyChangedEventHandler Implements INotifyPropertyChanged.PropertyChanged
        Private _isBusy As Boolean = True
        Public Property IsBusy() As Boolean
            Get
                Return _isBusy
            End Get
            Set(value As Boolean)
                _isBusy = value
                RaiseEvent PropertyChanged(Me, New PropertyChangedEventArgs("IsBusy"))
            End Set
        End Property
        Public Sub New()
            InitializeComponent()
            AddHandler MyMap.Layers.LayersInitialized, AddressOf map_LayersInitialized
        End Sub
        Private Sub map_LayersInitialized(sender As Object, e As EventArgs)
            DataContext = Me
            IsBusy = False
        End Sub
    End Class
End Namespace