Travail sur le UserControlPivot + changement de design.
<UserControl
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"
mc:Ignorable="d"
x:Class="FingersDance.Control.UserPanel.UserControlUserPanel"
x:Name="UserControl"
d:DesignWidth="640" d:DesignHeight="480"
xmlns:FingersDance_Control_SyncSource="clr-namespace:FingersDance.Control.SyncSource;assembly=FingersDance.Control.SyncSource">
<Grid x:Name="LayoutRoot" Background="{x:Null}">
<FingersDance_Control_SyncSource:UserControlSyncSource x:Name="UserControlSyncSource" HorizontalAlignment="Right" VerticalAlignment="Bottom" Width="{Binding Path=ActualWidth, ElementName=LayoutRoot, Mode=Default}" Margin="0,0,0,0" Height="{Binding Path=ActualHeight, ElementName=LayoutRoot, Mode=Default}"/>
</Grid>
</UserControl>