The GridFindReplaceDialogSink needs GridFindReplaceEventArgs object to providing infomation to find,but how to initialize the GridFindReplaceEventArgs object?It seems that the ver22.214.171.124 GridFindReplaceEventArgs has no such a constructor.
In the 1.6 code base, the constructor is exposed so you can use it directly. The 1.6 release is very close. It will be announced in this forum when it is actually available for download. If you want to try the beta code, you can submit a Direct Trac support incident and request a download link. (People just using the eval version will have to wait until we release the eval version based on the 1.6 code based as the beta is only available to registered owners).
Another option would be to use Activator.CreateInstance to get at an instance of this class.