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8.5

Is it possible to embed icsharpcode.sharpziplib.dll and use from a resource without extracting?

Asked by perkley in Microsoft Visual C#.Net

I have found some code to extract a .zip file using icsharpcode.sharpziplib.dll.  The Zip file is a resource and I pass icsharpcode the memorystream.  This makes it so I don't have to extract my zip to the HD first and then extract.  However, when I pass along my .exe file, it fails because it can't find the icsharpcode.sharpziplib.dll.

Is it possible to include this as a resource also and reference a resource instead of the file on the Hard drive?

I am new to the .NET environment, please be descriptive, I am learning.  If you see something I am doing that is dumb, let me know, I won't be offended, I want to learn better ways.

CURRENT SOLUTION (looking for embedded way): Include icsharpcode.sharpziplib.dll as resource, extract to hard drive when running program. 
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using ICSharpCode.SharpZipLib.Zip;
using ICSharpCode.SharpZipLib.Zip.Compression.Streams;
using ICSharpCode.SharpZipLib.GZip;
 
        private void btnInstall_Click(object sender, EventArgs e)
        {
                ExtractFiles("ZipResourceName", txtDestination.Text, pbExtract);
        }
 
        //http://www.codeproject.com/KB/cs/ResourceManager_Class.aspx?display=Print
        private void ExtractFiles(String ZipFileName, String Destination, ProgressBar PB)
        {
            try
            {
                ResourceManager objResMgr = new ResourceManager("Namespace.ResourceFileName", Assembly.GetExecutingAssembly());
 
                byte[] objData = (byte[])objResMgr.GetObject(ZipFileName);
 
                MemoryStream objMS = new MemoryStream(objData);
                ZipInputStream objZIP = new ZipInputStream(objMS);
                ZipEntry theEntry;
                PB.Value = 0;
                PB.Step = 1;
 
                PB.Maximum = ZipFileCount(ZipFileName, Destination);
                String strAppDir = Destination;
 
                while ((theEntry = objZIP.GetNextEntry()) != null)
                {
                    String strPath = Path.GetDirectoryName(Path.Combine(strAppDir, theEntry.Name));
                    PB.PerformStep();
 
                    if (!Directory.Exists(strPath))
                    {
                        Directory.CreateDirectory(strPath);
                    }
 
 
                    if (Path.GetFileName(theEntry.Name) != "")
                    {
                        lblStatus.Text = "Extracting " + theEntry.Name;
                        FileStream streamWriter = File.Create(Path.Combine(strAppDir, theEntry.Name));
 
                        Application.DoEvents();
 
                        int size = objData.Length;
                        byte[] data = new byte[size];
                        while (true)
                        {
                            size = objZIP.Read(data, 0, data.Length);
                            if (size > 0)
                            {
                                streamWriter.Write(data, 0, size);
                            }
                            else
                            {
                                break;
                            }
                        }
                        streamWriter.Close();
                    }
                }
 
                objZIP.Close();
                lblStatus.Text = "Finished";
                PB.Value = PB.Maximum;
            }
 
            catch (MissingManifestResourceException ex)
            {
                lblStatus.Text = "Error: " + ex.Message;
                PB.Value = 0;
            }
            catch (Exception e1)
            {
                lblStatus.Text = "Error: " + e1.Message;
                PB.Value = 0;
            }
        }
 
        private int ZipFileCount(String ZipFileName, String Destination)
        {
            int count = 0;
            try
            {
                ResourceManager objResMgr = new ResourceManager("PPMInstaller.ResourcePPM", Assembly.GetExecutingAssembly());
                byte[] objData = (byte[])objResMgr.GetObject(ZipFileName);
 
                MemoryStream objMS = new MemoryStream(objData);
                ZipInputStream objZIP = new ZipInputStream(objMS);
                ZipEntry theEntry;
                String strAppDir = Destination;
 
                while ((theEntry = objZIP.GetNextEntry()) != null)
                {
                    count = count + 1;
                }
 
                objZIP.Close();
            }
 
            catch (MissingManifestResourceException ex)
            {
                lblStatus.Text = "Error: " + ex.Message;
            }
            catch (Exception e1)
            {
                lblStatus.Text = "Error: " + e1.Message;
            }
            return count;
        }
[+][-]05/21/09 11:58 AM, ID: 24444734Accepted Solution

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About this solution

Zone: Microsoft Visual C#.Net
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Solution Provided By: gregoryyoung
Participating Experts: 1
Solution Grade: A
 
[+][-]05/21/09 01:16 PM, ID: 24445436Author Comment

Often, when Experts are collaborating with members who have asked questions, they will request additional information about the problem. Askers respond with an author comment like this one.

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