<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<ScrollViewer x:Name="scrollImagesSourceSelection" VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Hidden" Grid.Row="0" Margin="3" >
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<ScrollViewer x:Name="scrollImagesSourceSelection" VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Hidden" Grid.Row="0" Margin="3" >