Hi Andrés David Santacoloma Isaza,
Thanks for writing.
You can enable/disable this behavior by setting the CollapseRibbonOnTabDoubleClick
This property gets or sets a value indicating whether the ribbon bar will be collapsed or expanded on a double click operation of a ribbon tab. You could also manually expand or collapse RadRibbonBar by setting the Expanded
In addition, you can subscribe to the ExpandedStateChanged
event. This event fires when RadRibbonBar becomes collapsed or expanded.
I hope this helps.
the Telerik team
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