<esri:GraphicsLayer ID="AtlasPoints" > <esri:GraphicsLayer.MapTip> <Grid x:Name="tipGrid" IsHitTestVisible="True" x:Uid="tooltipGrid" esri:GraphicsLayer.MapTipHideDelay="00:00:0.4" > <Border CornerRadius="2" BorderBrush="#FF222957" BorderThickness="1" Background="LightYellow"> <TextBlock x:Name="MapItemToolTip" Margin="5" FontSize="10" Text="{Binding [MapItem].Name}" /> </Border> </Grid> </esri:GraphicsLayer.MapTip> </esri:GraphicsLayer>