With this dll you can search in the complete text-content of a given pdf-file. You can set different options to do this: 1. Combining the searchstrings with [and] or [or]. 2. How to search ... Find only the first or find all. 3. Setting a stop value ... How long the search shall max. run. 4. If the relevant pdf-file should be opened with a linked pdf-viewer on the matching page. As result youll get all matching pagenumbers separated by comma or an error number if there were no matching pages. You can use it with all well known ides (.NET-IDEs, too!). Try it with Visual Basic, VB2005 Express, VBA, Delphi, C, C++,