Thank you for writing.
is a heavy control especially when it is associated with a RichTextEditorRibbonBar
, however, this should not cause a performance issue. Currently, we are not aware of any known issues regarding the performance of the control. You can check the following KB resource discussing how our TPF framework behaves compared to the standard WinForms controls: http://www.telerik.com/support/kb/winforms/details/performance-considerations
Regarding your actual scenario, I can suggest opening a support ticket and sending us a sample project demonstrating the observed on your end behavior.
I hope this helps. Should you have further questions please do not hesitate to write back.
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