How to SAVE, SPLIT, MERGE, and VIEW multipage TIFF image

 You can use this class to save the output of merged and splitted file.
 

To view the image per page on PictureBox or any picture control tool, get its frame example
 

image.SelectActiveFrame(frameDim, Pages[i];

 

using System; using System.Collections.Generic; using System.Text; using System.Drawing.Imaging; using System.IO; using System.Drawing; using System.Text.RegularExpressions; using System.Collections; using System.ComponentModel; using System.Runtime.InteropServices; namespace DocImageUtility {      public class TIFManager      {          private string TIFF_CODEC = "image/tiff";          private long ENCODING_SCHEME = (long)EncoderValue.CompressionCCITT4;          public string SelectedPages { get; set; }          public int NumberOfPages { get; set; }          public string FilePath { get; set; }          public bool newfile = true;          public bool newdocument = true;          Image Document;          EncoderParameters encoderParams;          public int SelectedPageCount { get { return Pages.Length; } }          //First method to call in order to load the file and get its contents and pages          public void Load(string path)          {              this.FilePath = path;              //Get the frame dimension list from the image of the file and              Image tiffImage = Image.FromFile(path);              //get the globally unique identifier (GUID)              Guid objGuid = tiffImage.FrameDimensionsList[0];              //create the frame dimension              FrameDimension dimension = new FrameDimension(objGuid);              //Gets the total number of frames in the .tiff file              NumberOfPages = tiffImage.GetFrameCount(dimension);              tiffImage.Dispose();          }          //Split Method          public void Split(string splittedFileName)          {              //Get its file information              ImageCodecInfo codecInfo = GetCodecInfo(TIFF_CODEC);              EncoderParameters encoderParams = new EncoderParameters(2);              encoderParams.Param[0] = new                 EncoderParameter(System.Drawing.Imaging.Encoder.SaveFlag, (long)EncoderValue.MultiFrame);              encoderParams.Param[1] = new                EncoderParameter(System.Drawing.Imaging.Encoder.Quality, ENCODING_SCHEME);              //Load the Document              FileStream fs = new FileStream(this.FilePath, FileMode.OpenOrCreate);              Image image = Image.FromStream(fs);              //Get file frame/pages              FrameDimension frameDim = new FrameDimension(image.FrameDimensionsList[0]);              //Check if selected pages is null or 0 value              if (SelectedPages != null)              {                  // Delete / Overwrite existing file if updating Splitted Image File                  var file = new FileInfo(splittedFileName);                  if (file.Exists) file.Delete();                  //for each frame/pages create the new document                  for (int i = 0; i < Pages.Length; i++)                  {                      //check whether selected pages is not greater than the file pages                      if (Pages.Length >= (i + 1))                      {                          //Selected image frame                          image.SelectActiveFrame(frameDim, Pages[i]);                          //check whether file is new document                          if (newfile == true)                          {                              image.Save(splittedFileName, codecInfo, encoderParams);                              newfile = false;                          }                          else                          //append the document depending on the selected frame from the original image                          {                              encoderParams.Param[0] = new                                EncoderParameter(System.Drawing.Imaging.Encoder.SaveFlag,                               (long)EncoderValue.FrameDimensionPage);                              image.SaveAdd(image, encoderParams);                          }                      }                  }                  fs.Close();              }          }          //Merge Method          public void Merge(string MergeFileName, string source)          {              //Set its Image Format as TIFF              ImageCodecInfo codecInfo = GetCodecInfo(TIFF_CODEC);              //Load the Document              FileStream fs = new FileStream(source, FileMode.OpenOrCreate);              Image image = Image.FromStream(fs);              //Get file frame/pages              FrameDimension frameDim = new FrameDimension(image.FrameDimensionsList[0]);              if (newdocument == true)              {                  //Set its Image Type                  encoderParams = new EncoderParameters(2);                  encoderParams.Param[0] = new                     EncoderParameter(System.Drawing.Imaging.Encoder.SaveFlag,                     (long)EncoderValue.MultiFrame);                  encoderParams.Param[1] = new                     EncoderParameter(System.Drawing.Imaging.Encoder.Quality, ENCODING_SCHEME);                  //Check if selected pages is null or 0 value                  if (SelectedPages != null)                  {                      //for each frame/pages create the new document                      for (int i = 0; i < image.GetFrameCount(frameDim); i++)                      {                          //check whether selected pages is not greater than the file pages                          if (Pages.Length >= (i + 1))                          {                              //Selected image frame                              image.SelectActiveFrame(frameDim, Pages[i]);                              //check whether file is new document                              if (newfile == true)                              {                                  //create new filename                                  Document = image;                                  //save                                  Document.Save(MergeFileName, codecInfo, encoderParams);                                  encoderParams.Param[0] =                                   new EncoderParameter(System.Drawing.Imaging.Encoder.SaveFlag,                                   (long)EncoderValue.FrameDimensionPage);                                  newfile = false;                                  newdocument = false;                              }                              else                              {                                  //append the document depending on the selected frame from the original image                                  Document.SaveAdd(image, encoderParams);                              }                          }                      }                      fs.Close();                  }              }              else              {                  //Check if selected pages is null or 0 value                  if (SelectedPages != null)                  {                      //for each frame/pages create the new document                      for (int i = 0; i < image.GetFrameCount(frameDim); i++)                      {                          //check whether selected pages is not greater than the file pages                          if (Pages.Length >= (i + 1))                          {                              //Selected image frame                              image.SelectActiveFrame(frameDim, Pages[i]);                              //check whether file is new document                              //append the document depending on the selected frame from the original image                              Document.SaveAdd(image, encoderParams);                          }                      }                      fs.Close();                  }              }          }                 //Check whether selected pages is valid          public int[] Pages          {              get              {                  ArrayList ps = new ArrayList();                  string[] ss = SelectedPages.Split(new char[] { ',', ' ', ';' });                  foreach (string s in ss)                      if (Regex.IsMatch(s, @"\d+-\d+"))                      {                          int start = int.Parse(s.Split(new char[] { '-' })[0]);                          int end = int.Parse(s.Split(new char[] { '-' })[1]);                          if (start > end)                              return new int[] { 0 };                          while (start <= end)                          {                              ps.Add(start - 1);                              start++;                          }                      }                      else                      {                          int i;                          int.TryParse(s, out i);                          if (i > 0)                              ps.Add(int.Parse(s) - 1);                      }                  return ps.ToArray(typeof(int)) as int[];              }          }          private ImageCodecInfo GetCodecInfo(string codec)          {              ImageCodecInfo codecInfo = null;              foreach (ImageCodecInfo info in ImageCodecInfo.GetImageEncoders())              {                  if (info.MimeType == codec)                  {                      codecInfo = info;                      break;                  }              }              return codecInfo;          }      } }