The sample provided works at this end as well.
It appears to be a problem with my docking settings - thanks for your help !
>Hi,
>
>We have been unable to reproduce this issue in our testing. Please find a simple sample linked to below:
>
>
http://www.syncfusion.com/support/user/Uploads/ChartDockFill_9930.zip.zip
>
>Could you please try this sample at your end and let us know if you see the same problem.
>
>Thank you for your patience.
>
>Regards,
>
>Davis
>
>