Hi mates,
When I try to insert into a chunk a horizontal radRibbonBarButtonGroup and a vertical radRibbonBarButtonGroup and both of these have Autosize set to false and the size property is set to a fixed size,  and into these groups(radRibbonBarButtonGroup) I've added radButtonElements at design time, they also have fixed size (Width and Height), my controls (RadButtonElements and RadRibbonBarButtonGroups) sets automatically the size to 0,0 (and, of course, are disappeared)  at Run Time.
I've verified in RadRibbonForm Designer code (the form that contain the RadRibbonBar), that there is no code of  the  size property of the controls.
Should  I write the size manually into designer code? or is there another property that hide my controls (in advertently)?
Just to mention that RibbonBar will have 7 tabs with around 20 chunks.

Hi Betim,

Thanks for writing and for reporting these issues.

We have been able to reproduce similar behavior in the RadRibbonBar control and we discovered certain issues related to the Layout System that most probably lead to these glitches. I would like to inform you that we plan to address these issues for our next major release. Currently, you could overcome this behavior by leaving the AutoSize property set to true and modifying the MinSize/MaxSize properties of the elements to set a custom size.

I hope this is helpful. Do not hesitate to write back in case you have further questions.

Regards,
Deyan
the Telerik team

I am having the same similar problem which has caused me to waste valuable time in addressing it.  I have spend a whole day trying to address the issue of why my controls are completely dissapering both in design and run time.  Please can you please inform me whether this issue has been addressed as I noticed that this ticket was in May 2010.  I am using the lastest version of winform control - radRibbonbar

Hello Olukayode,

Please excuse us for the caused inconvenience.

We researched this behavior and we consider that as normal for our layout system. You should set AutoSize property set to true and modify the MinSize/MaxSize properties of the elements in order to set a custom size.
Do not hesitate to write back in case you have further questions.

All the best,
Peter
the Telerik team