<Window x:Class="ArcGISWPFSDK.Map" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:esri="http://schemas.esri.com/arcgis/client/2009"> <Grid x:Name="LayoutRoot" > <Grid.Resources> <BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter"/> </Grid.Resources> <esri:Map x:Name="MyMap" UseAcceleratedDisplay="True" WrapAround="True" Background="#FFE3E3E3"> <esri:ArcGISTiledMapServiceLayer ID="MyLayer" Url="http://services.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer" /> </esri:Map> <ProgressBar x:Name="MyProgressBar" IsIndeterminate="True" VerticalAlignment="Bottom" Width="200" Height="20" Margin="10" Visibility="{Binding Path=IsBusy, Converter={StaticResource BooleanToVisibilityConverter}}"></ProgressBar> </Grid> </Window>