activePDF公司的的主打產品activePDF Toolkit通過簡單的代碼設置，不僅實現圖片的轉換功能，將圖片轉換為PDF格式，還能將JPEG格式轉換為PDF。

》》》下載activePDF Toolkit試用版

示例代碼如下：

// Copyright (c) 2013 activePDF, Inc.
// Example created 01/13/13

// Make sure to add the activePDF product .NET DLL(s) to your application.
// .NET DLL(s) are typically found in the products 'bin' folder.

class Examples
{
  public void main()
  {
    string strPath;
    int intJPEGToPDF;
    int intTIFFToPDF;
    int intImageToPDF;
    
    strPath = AppDomain.CurrentDomain.BaseDirectory;

    // Instantiate Object
    APToolkitNET.Toolkit oTK = new APToolkitNET.Toolkit();
    
    // Toolkit can directly convert an image to a PDF file
    
    // If the image is a JPEG file use JPEGToPDF
    intJPEGToPDF = oTK.JPEGToPDF(strPath + "IMG.jpg", strPath + "JPEG.pdf");
    if (intJPEGToPDF < 1)
    {
      ErrorHandler("JPEGToPDF", intJPEGToPDF);
    }
    
    // If the image file is a TIFF file use TIFFToPDF
    intTIFFToPDF = oTK.TIFFToPDF(strPath + "IMG.tif", strPath + "TIFF.pdf");
    if (intTIFFToPDF != 1)
    {
      ErrorHandler("TIFFToPDF", intTIFFToPDF);
    }
    
    // Any supported image file can be converted to PDF with ImageToPDF
    intImageToPDF = oTK.ImageToPDF(strPath + "IMG.jpg", strPath + "IMG.pdf");
    if (intImageToPDF != 1)
    {
      ErrorHandler("ImageToPDF", intImageToPDF);
    }
    
    // Release Object
    oTK = null;
    
    // Process Complete
    System.Diagnostics.Debug.WriteLine("Done!");
  }
  
  // Error Handling
  public static void ErrorHandler(string strMethod, object rtnCode)
  {
    System.Diagnostics.Debug.WriteLine(strMethod + " error:  " + rtnCode.ToString());
  }
}