Hi Marcin,
We have
analyzed your query and we have added the SpreadsheetRibbon control template
into the sample (Themes-> Ribbon_Style.xaml) and you can do your
customization on that template.
Regarding
the Query “How to set style of ribbon”,
By default, Spreadsheet
have support to change the visual style of Ribbon. You can refer our
VisualStyleDemo Dashboard sample for this. Or else you can also set your own
style to the Ribbon and merge with Ribbon_Style.xaml.
Dashboard
sample location: Silverlight Dashboard -> Spreadsheet -> Appearance ->
VisualStyleDemo.
Regarding
the Query “How to remove caption of ribbon”,
You can achieve this by
setting the Title property of Ribbon
in that style.
Regarding
the Query “How to add or to remove these button from this tab”,
You can achieve this by removing the buttons
under the RibbonBackstage tag and you can also add your own button into ribbon.
Please
find the sample for this from the below location.
Sample: Customize_Ribbon.zip
Please let
us know if you need any further assistance.
Regards,
Jayapradha
Customize_Ribbon564847658_653df3fb.zip