We do not have a multiple redo control because most feature requests we get are for functionality that MS Word offers. As you may notice, there is no multiple redo control in MS Word either.
However, if it is a requirement of your project, you can create your own custom multiple redo control. All you should do is to create your own custom command that inherits from RichTextBoxCommandBase. Then, pass the number of redoes that you want to perform as a command parameter, and in ExecuteOverride method call:
undoStackIndex = Convert.ToInt32(parameter);
i = 0; i <= undoStackIndex; i++)
Then you must create your own control and implement the logic the way you would like it to work.
If you have a license for RadControls for WPF, you can download the source of the controls and take a look at the MultipleUndoCommand and MultipleUndoControl for reference.
Hope this answer your question.
the Telerik team
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