Spire.PDF 3.6.135 starts to support delete the layer in the PDF files

We are pleased to announce a new hotfix version-Spire.PDF 3.6.135 today. By the efforts of our develop team, we have added new features to support delete the layer in the PDF files and editi the Xmpmetadata. We also made the improvements when loading OXPS document and the print and conversation feature. Viewing the following full description of its enhanced functions:
New feature:
Add the new feature to delete the layer in the PDF.
PdfPageBase.PageLayers.DeleteOldLayer(string layerName); PdfPageBase.PageLayers.DeleteOldLayer(string layerName, bool isDelAllContent, bool delLayerDocProperties);
Add new feature to edit the Xmpmetadata.
PdfDocument pdfdoc = new PdfDocument();
pdfdoc.LoadFromFile(fileName);
XmpMetadata meta = pdfdoc.XmpMetaData;
//Read
meta.GetAllCustomProperties();
string author = meta.GetAuthor();
//set
meta.SetAuthor("New Value");
//load
XmpMetaData.Load(XmlDocument xmp);
Bug solutions:
- Fixes the issue that caused the exception when load OXPS document.
- Fixes the issue that caused InvalidOperationException when load OXPS documents.
- Fixes the issue that caused the exception when load a file in a directory with read only permissions.
- Resolves the issue that caused exception when load.
- Fixes the issue that blank space was deleted when print the PDF.
- Fixes the issue that caused exception when print the PDF.
- Fixes the issue that caused PDF failed to convert to image.
- Fixes the issue where the XPS wasn't searchable and was much bigger in file size than the corresponding PDF when convert PDF to XPS.
- Fixes the issue where Persian and Arabic Text can't be searched.
- Resolves the issue that caused the exception when save to Image.
- Fixes the issue where a small percentage of text fragments within a document were unable to be found.
- Fixes the issue that caused the error when save after applying digital sign to the existing pdf file.
- Fixes the issue that caused exception when delete the page that contains bookmark.
- Fixes the issue where the output pdf document appeared reversed if the XPS contains text with right-to-left flow direction.
Free Trial to evaluate Spire.PDF 3.6.135 here:
http://www.e-iceblue.com/Download/download-pdf-for-net-now.html