Collapse or expand the bookmark in PDF starts to support in Spire.PDF 3.2.31

We are pleased to announce a new version-Spire.PDF pack hotfix 3.2.31 today. With the effort of our develop team, we add a new feature to allow developer to collapse or expand the bookmarks. We also are fixing bugs in this version, such as print PDF pages, split pdf documents and convert PDF into Image. Viewing the following full description of its improved functions:

New feature:

Add the feature to collapse or expand the bookmark.

doc.ViewerPreferences.BookMarkExpandOrCollapse = false; //Expand is true.

Main bug solutions in Spire.PDF pack Version 3.2:

Fix the issue that the saved file doesn't have the keyword in its properties after adding a keyword.
Fix the issue that the result is blank when print some pdf documents.
Fix the issue that the data in form field is lost when split pdf document.
Fix the issue that the Thai's font displays incorrectly when convert pdf to image.
Fix the issue that 'Object reference not set to an instance of an object' when convert pdf to image.
Fix the issue that 'Glyph name required for Type3 font!Source character: 13' when convert pdf to image.
Fix the issue that someone page inclined to right when convert pdf to image.
Fix the issue that the generated image is unreadable when convert pdf to image.
Fix the issue that 'Index was outside the bounds of array' when convert pdf to image.
Fix the issue that 'WE_HAVE_AN_X_AND_Y_SCALE flag not set' when convert pdf to image.
Fix the issue that some Korea's text is filled when convert pdf to image.

Free Trial to evaluate Spire.PDF 3.2.31 here:

http://www.e-iceblue.com/Download/download-pdf-for-net-now.html