Returns the name of the action that will be undone if the user Undo's their last operation. If no operation can be undone, it will return an empty string ("").
[Visual Basic] Public ReadOnly Property UndoActionName As String [C#] public string UndoActionName {get;} [C++] public: __property String* get_UndoActionName(); [JScript] public function get UndoActionName() : String;
RichTextBox Class | RichTextBox Members | System.WinForms Namespace