Description: Bulk of the PDF can be modified to operate, when to download the PDF with the watermark when the volume can not change the general software, the software has this feature on
File list (Check if you may need any files):
PDFEditor
.........\AssemblyInfo.cs
.........\bin
.........\...\Debug
.........\...\.....\byj_001.bmp
.........\...\.....\itextsharp.dll
.........\...\.....\iTextSharp.xml
.........\frmMain.cs
.........\frmMain.resx
.........\obj
.........\PDFEditor.csproj
.........\PDFEditor.csproj.user
.........\PDFEditor.sln
.........\PDFParser.cs