27481 total geeks with 3535 solutions
Recent challengers:
 Welcome, you are an anonymous user! [register] [login] Get a yourname@osix.net email address 

Articles

GEEK

User's box
Username:
Password:

Forgot password?
New account

Shoutbox
MaxMouse
It's Friday... That's good enough for me!
CodeX
non stop lolz here but thats soon to end thanks to uni, surely the rest of the world is going good?
stabat
how things are going guys? Here... boring...
CodeX
I must be going wrong on the password lengths then, as long as it was done on ECB
MaxMouse
lol... the key is in hex (MD5: of the string "doit" without the "'s) and is in lower case. Maybe i should have submitted this as a challenge!

Donate
Donate and help us fund new challenges
Donate!
Due Date: May 31
May Goal: $40.00
Gross: $0.00
Net Balance: $0.00
Left to go: $40.00
Contributors


News Feeds
The Register
NASA sending
five-metre
THERMO-HAMMER to
Mars
Password reset
sites expose
crackable
PeopleSoft creds
NASA"s Jupiter moon
mission becomes
acronymathon
SourceForge accused
of shackling GIMP
in kinky adware
Don"t PANIC but ...
UNSTOPPABLE robots
IMMUNE to injury
built by boffins
Beware Red Hat
interviews: you"ll
pay for coffee,
lunch and fuel
Fortinet rides to
troubled Meru"s
rescue
Docker Hub images
buggy and
vulnerable, say
researchers
There"s data in
your dashboard, so
liberate it from
Big Auto"s grasp
Property developers
face NBN build
sting
Slashdot
High Court Orders
UK ISPs To Block
EBook Sites
Scientists Reverse
Aging In Human Cell
Lines
Thanks To the
Montreal Protocol,
We Avoided Severe
Ozone Depletion
Computer Chips Made
of Wood Promise
Greener Electronics
Global Business
Leaders Say They
Don"t Know Enough
About Technology To
Succeed
GM To Offer Apple
CarPlay and Android
Auto API In Most
2016 Vehicles
Making the World"s
Largest Panoramic
Photo
California Is
Giving Away Free
Solar Panels To Its
Poorest Residents
The Marshall
Islands, Nuclear
Testing, and the
NPT
Microsoft Edge To
Support Dolby Audio
Article viewer

Included Dlls with your exe without needing an install



Written by:Pertinax
Published by:Codybob90
Published on:2009-05-06 18:18:31
Topic:Dot.Net
Search OSI about Dot.Net.More articles by Pertinax.
 viewed 5426 times send this article printer friendly

Digg this!
    Rate this article :
I created a WinForms utility that depended on some DLLs and wanted the user to be able to just download and click on the exe to run the app. Usually if your exe needs some other files you wrap things up into a package and the user has to go through an install process. This takes time and forces the user to unistall if they don't want the program after it's served its purpose. I didn't like this and found a way to embed the files I needed into my exe and extract and link them when the program ran.

.Net won't let you include a dll as a resource. The way around this is to push your dll into an image and include the image in the exe. If you skip the image header .net won't complain. You just need to mark the beginning and end of the dll binary data so you know where to start and stop when extracting it.

Here is a program I wrote that makes it easy to push your file into an image.
http://www.securitysoftware.cc/Programs/FileMerge.exe

Once you have done this you can use the following methods to save the image to a file and then extract the dll from the image.

//Save image to a file
PictureBox.Image.Save("C:\\temp_file");

//Extract the dll
ExtractFile("C:\\temp_file", "C:\\MyDll.dll", "^^^^^^^^^^", "**********");


//This method extracts the dll from the image file and saves it with the name given
public static bool ExtractFile(string sourceFile, string destination, string startMarker, string endMarker)
{

       int filestart = 0;
       int fileend = 0;

       int marker_position = 0;

       FileInfo finfo = new FileInfo(sourceFile);

       FileStream fs = new FileStream(sourceFile, FileMode.Open);

       //Create Buffer
       byte[] buff = new byte[finfo.Length];

       //Read file contents
       fs.Read(buff, 0, (int)finfo.Length);

       //Close file
       fs.Close();

       //Get file start position
       for(int bytecnt = 0; bytecnt < buff.Length; bytecnt++)
       {
           //Look for startMarker
           while (buff[bytecnt + marker_position] == startMarker[marker_position++])
           {
               if (marker_position == startMarker.Length)
               {
                   filestart = bytecnt + marker_position;
                   break;
               }
           }

           marker_position = 0;
       }

       //Find end position
       for (int bytecnt = filestart; bytecnt < buff.Length; bytecnt++)
       {
           //Look for startMarker
           while (buff[bytecnt + marker_position] == endMarker[marker_position++])
           {
               if (marker_position == startMarker.Length)
               {
                   fileend = bytecnt;
                   break;
               }
           }

           marker_position = 0;
       }

       //Save to file
       fs = new FileStream(destination, FileMode.Create);
       fs.Write(buff, filestart, fileend - filestart);
       fs.Close();

       return File.Exists(destination);
}




Did you like this article? There are hundreds more.

Comments:
Anonymous
2009-06-30 14:53:14
Hi
This is very good idea to let end user free from installations and addins... but when you programming in .Net the user must install the .Net framework first. anyway take a look at product named thinstall or vmware virtualisation suit you may find them useful too.
Anonymously add a comment: (or register here)
(registration is really fast and we send you no spam)
BB Code is enabled.
Captcha Number:


Blogs: (People who have posted blogs on this subject..)
bb
ASP.NET RadioButton GroupName when inside a Repeater on Sun 10th Jun 8am
I was thankful on finding this nugget of code, which makes the groupname work out when slamming in radiobuttons in an asp.net repeater. http://www.codeguru.com/csharp/csharp/cs _controls/custom/article.php/c12371/


     
Your Ad Here
 
Copyright Open Source Institute, 2006