>Hi!, where i found all definitions for the xml predefined entities?
>
>like & = &, < = <) ?

In the SDK chm file, search for "character entities"

>
>i need found definitions for spanish letter (ñÑáéíúó) for replacement in the parsing the xml string

You can find a comprehensive list in http://www.w3.org/TR/REC-html40/sgml/entities.html

For instance, ñ is & ntilde; (with no space between & and n); á is & aacute; (and so on).