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Write from Resource to disk using c#

Posted on 2014-01-13
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Last Modified: 2016-06-13
I have 9 (will be more) files that are embedded resources. They will all be different file types. I'm trying to figure out a way to loop thru them, and write them to the hard drive. I've yet to find an example I can get to work. Any and all help appreciated.
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Question by:gnixon14
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3 Comments
 
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Expert Comment

by:HugoHiasl
ID: 39777984
In which way do you have them available? MemoryStreams? Or how can the files be accessed within the code?
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gnixon14 earned 0 total points
ID: 39778067
I got this to work.

    private void mRecreateAllExecutableResources()
    {
      // Get Current Assembly refrence
      Assembly currentAssembly = Assembly.GetExecutingAssembly();
      // Get all imbedded resources
      string[] arrResources = currentAssembly.GetManifestResourceNames();

      foreach (string resourceName in arrResources)
      {
        if (resourceName.EndsWith(".xml"))
        { //or other extension desired
          //Name of the file saved on disk
          string saveAsName = resourceName;
          FileInfo fileInfoOutputFile = new FileInfo(@"c:\users\gary\desktop\" + saveAsName);
          //CHECK IF FILE EXISTS AND DO SOMETHING DEPENDING ON YOUR NEEDS
          if (fileInfoOutputFile.Exists)
          {
            txtResults.Text += saveAsName + " Exist" + Environment.NewLine;
            //overwrite if desired  (depending on your needs)
            //fileInfoOutputFile.Delete();
          }
          //OPEN NEWLY CREATING FILE FOR WRITTING
          FileStream streamToOutputFile = fileInfoOutputFile.OpenWrite();

          //GET THE STREAM TO THE RESOURCES
          Stream streamToResourceFile =
                              currentAssembly.GetManifestResourceStream(resourceName);

          //---------------------------------
          //SAVE TO DISK OPERATION
          //---------------------------------
          const int size = 4096;
          byte[] bytes = new byte[4096];
          int numBytes;
          while ((numBytes = streamToResourceFile.Read(bytes, 0, size)) > 0)
          {
            streamToOutputFile.Write(bytes, 0, numBytes);
          }
          txtResults.Text += saveAsName + " Created" + Environment.NewLine;
          streamToOutputFile.Close();
          streamToResourceFile.Close();
        }//end_if
      }//end_foreach
    }//end_mRecreateAllExecutableResources

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