Hello,

UltraSpellChecker comes out of the box with dictionaries for nine different languages. You will find these dictionaries in the C:\Program Files\Infragistics\NetAdvantage 2011.1\Dictionaries folder. More information about Dictionaries of UltraSpellChecker you could find on the following link:

http://help.infragistics.com/Help/NetAdvantage/WinForms/2011.1/CLR2.0/html/WinSpellChecker_Dictionaries.html

If you want to assign a dictionary you could set Dictionary property:

http://help.infragistics.com/Help/NetAdvantage/WinForms/2011.1/CLR2.0/html/Infragistics2.Win.UltraWinSpellChecker.v11.1~Infragistics.Win.UltraWinSpellChecker.UltraSpellChecker~Dictionary.html

or to assign UserDictionary property:

http://help.infragistics.com/Help/NetAdvantage/WinForms/2011.1/CLR2.0/html/Infragistics2.Win.UltraWinSpellChecker.v11.1~Infragistics.Win.UltraWinSpellChecker.UltraSpellChecker~UserDictionary.html

Please let me know if you have any further questions.