In this release:

1)Added: a new class PdfConverter which can convert Pdf pages into images. BMP, JPEG, PNG and TIFF is supported now. Converting a Pdf file into a single multi-frames TIFF file is also supported.
2)Added: searching text in the Pdf file in GUI mode, including: searching text in a special page rangle、whole pdf page and current page;
3)Added: a XML background text extracting function in PdfExtractor class;
4)Added: searching text with case sensitive.
5)Enhance: Form function. A field's information can be acquired now. Method getFieldType() and getFieldVaule() can respectively get the type and the string value of a specific field. Also getFieldsNames() is provided to get the names of all the fields contained in the PDF template.
A field's attributes can be modified easily now. Method setFieldFlag() can set the appearance flag of a field, setFieldAttr() can set the attribute of a field when exporting. And setSubmitBtnUrl() can set the url destination of a submit button filed.
Methods are also provided to manipulate the position and size of fields. moveTo() can move a field according to either relative offsets or absolute coordinates. And zoom() can change the size of a field either proportionately or disproportionately.
6)Enhance: Watermark function is enhanced.
7)Fixed: a bug when extract text in pdf file which contain blank pages.please refer: http://www.aspose.com/Community/Forums/35900/ShowPost.aspx
8)Fixed: a bug when convert pages to TIFF.
http://www.aspose.com/Community/Forums/36022/ShowPost.aspx