Focus events (GotFocus, LostFocus) are raised inconsistently for RadRichTextBox, due to the internal translation of the focus to the Caret. Scenarios: 1. Clicking inside the control, when the focus is already inside the control, triggers LostFocus, GotFocus, LostFocus, GotFocus events. 2. Switching internal editors (headers/footers) raises GotFocus and LostFocus. 3. If the control is inherited and OnGotFocus/OnLostFocus are overriden, they are never called (despite OnGotFocus one time in the beginning The behavior is problematic, as this events are useful for custom validation scenarios.