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Create PDF from RTF
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VB.NET PDF - Create PDF from RTF in VB.NET


Tutorial for VB.NET Users to Convert RTF File to PDF Document in Visual Basic Program




Free VB.NET RTF to PDF converter SDK for Visual Studio .NET


An advanced .NET library which able to batch convert multiple RTF files to adobe PDF files


Users are able to convert RTF to PDF programmatically with VB.NET code


Able to create PDF from RTF in both .NET WinForms application and ASP.NET class


Support .NET WinForms, ASP.NET MVC in IIS, ASP.NET Ajax, Azure cloud service, DNN (DotNetNuke), SharePoint


Online source codes are given for using in VB.NET class


Access to free .NET components and controls downloading




VB.NET Demo Code for Converting RTF to PDF



Add necessary references:


  RasterEdge.Imaging.Basic.dll


  RasterEdge.Imaging.Basic.Codec.dll


  RasterEdge.Imaging.Drawing.dll


  RasterEdge.Imaging.Font.dll


  RasterEdge.Imaging.Processing.dll


  RasterEdge.XDoc.Raster.dll


  RasterEdge.XDoc.Raster.Core.dll


  RasterEdge.XDoc.PDF.dll


  RasterEdge.XDoc.Office.Inner.Common.dll


  RasterEdge.XDoc.Office.Inner.Office03.dll


  RasterEdge.XDoc.Excel.dll


Use corresponding namespaces;


  using RasterEdge.Imaging.Basic;


  using RasterEdge.XDoc.Excel;


  using RasterEdge.XDoc.PDF;


Note: When you get the error "Could not load file or assembly 'RasterEdge.Imaging.Basic' or any other assembly or one of its dependencies. An attempt to load a program with an incorrect format", please check your configure as follows:

       

       If you are using x64 libraries/dlls, Right click the project -> Properties -> Build -> Platform target: x64.

       

       If using x86, the platform target should be x86.




How to VB.NET: Convert single RTF file to PDF



VB.NET demo code for creating PDF document from RTF format.



'rtf convert to pdf(file to file)
Dim doc As RTFDocument = New RTFDocument("C:\dmeo.rtf")
doc.ConvertToDocument(DocumentType.PDF, "C:\output.pdf")



'rtf convert to pdf(Stream to Stream)
Dim inputFilePath As String = "C:\demo.rtf"
Dim arr() As Byte = File.ReadAllBytes(inputFilePath)
Dim inputStream As MemoryStream = New MemoryStream(arr)
Dim doc As RTFDocument = New RTFDocument(inputStream)
Dim outputStream As MemoryStream = New MemoryStream()
doc.ConvertToDocument(DocumentType.PDF, outputStream)





How to VB.NET: Convert two or multiple RTF files to PDF(batch convert)



Following demo codes will show how to convert rtf files to pdf documents.



Dim inputDirectory As String = "C:\input\"
Dim outputDirectory As String = "C:\Output\"
Dim files() As String = Directory.GetFiles(inputDirectory, "*.rtf")

'convert rtf document to pdf one by one.
For Each filePath As String In  files
       Dim doc As RTFDocument = New RTFDocument(filePath)
       Dim startIdx As Integer = filePath.LastIndexOf("\")
       Dim endIdx As Integer = filePath.LastIndexOf(".")
       Dim docName As String = filePath.SubString(startIdx + 1, endIdx - startIdx - 1)
       ' Convert it to PDF document.
       doc.ConvertToDocument(DocumentType.PDF, outputDirectory + docName + ".pdf")
Next





How to VB.NET: Combine multiple RTF files, and convert to PDF



Following is VB.NET demo code for rtf files to PDF conversion.



Dim files() As String = { "C:\demo1.rtf, C:\demo2.rtf, C:\demo3.rtf" }
Dim outputFilePath As String = "C:\output.pdf"
Dim streams As List(Of MemoryStream) = New List(Of MemoryStream)()
For Each filePath As String In  files
       Dim doc As RTFDocument = New RTFDocument(filePath)
       Dim outputStream As MemoryStream = New MemoryStream()
       ' Convert it to PDF document.
       doc.ConvertToDocument(DocumentType.PDF, outputStream)
       streams.Add(outputStream)
Next
PDFDocument.CombineDocument(streams, outputFilePath)





How to VB.NET: Insert RTF file into pdf document, and create a new PDF file



Following is VB.NET demo code to Insert rtf file to PDF at specific location.



Dim filePath As String = "C:\demo.rtf"
Dim doc As RTFDocument = New RTFDocument(filePath)
Dim stream As MemoryStream = New MemoryStream()
doc.ConvertToDocument(DocumentType.PDF, stream)
Dim pdf As PDFDocument = New PDFDocument(stream)
Dim pageCount As Integer = pdf.GetPageCount()
Dim pages List(Of BasePage) = New List(Of BasePage)() 
For i As Integer = 0 To pageCount - 1
       pages.Add(pdf.GetPage(i))
Next
Dim outputPdf As String = "C:\output.pdf"
Dim desDoc As PDFDocument = New PDFDocument(outputPdf)
Dim insertLocation As Integer = 2
desDoc.InsertPages(pages.ToArray(), insertLocation)
desDoc.Save("C:\desDocument.pdf")