RapidSpell Desktop provides a simple interface specification which allows 3rd Party Controls to be used with the Dialog checker.
This simple mechanism means it is possible to use just about any Control with RapidSpell Desktop, the full product includes
an 'adapter' controls for the popular "TX TextControl", DevExpress "XtraGrid" & "MemoExEdit" and Janus' "GridEX" & "EditBox"
and Infragistics' "UltraTextEditor".
The product comes with source code demos in C# and VB.NET for;