Thanks a lot Maslevskiy for this piece of code. It was exactly what I
needed.

By the way, it is NOT a virus I am constructing, it is a parental
software.

Thanks again!


On 29 Aug, 11:32, Vitaly Maslevskiy <[email protected]>
wrote:
> Hi
>
> Strange requirement. Virus? :D . Something like
>
> class Program
>     {
>
>         private static byte[] exe;
>
>         static string GetFileName()
>         {
>             return
> Path.Combine(AppDomain.CurrentDomain.SetupInformation.ApplicationBase,
>                                        "ConsoleApplication5.exe");
>         }
>
>         static void Read(string[] args)
>         {
>             using (var fs = new FileStream(GetFileName(),
> FileMode.Open, FileAccess.Read))
>             {
>                 var ms = new MemoryStream();
>                 int bl = 1024;
>                 byte[] buffer = new byte[bl];
>
>                 int bytesReaded = fs.Read(buffer, 0, bl);
>                 while (bytesReaded>0)
>                 {
>                     ms.Write(buffer, 0, bytesReaded);
>                     bytesReaded = fs.Read(buffer, 0, bl);
>                 }
>
>                 ms.Position = 0;
>                 exe = ms.ToArray();
>                 ms.Close();
>                 fs.Close();
>             }
>         }
>
>         static void WriteExe()
>         {
>             var fileName = GetFileName();
>
>             if (File.Exists(fileName))
>                 return;
>
>             using (var fs = new FileStream(fileName, FileMode.Create,
> FileAccess.Write))
>             {
>                 fs.Write(exe, 0, exe.Length);
>                 fs.Close();
>             }
>         }
>     }
>
> 2009/8/29 Marcus <[email protected]>:
>
>
>
>
>
> > Hello
>
> > I need to store a small exe file in memory. I want to do this because
> > I want some sabotage protection in my app. If the user removes this
> > essential file from the harddrive, my app will not work the next time
> > it is to be launched.
>
> > So I want to read this exe file into memory initially when my program
> > starts up. Then I will use a timer that at some interval checks if
> > this file is present on the file system. If not, then my app writes it
> > back from memory to the harddrive.
>
> > Could someone please give an example how to do this. It should be a
> > pretty small piece of could I reccon, but I can not figure it out.
>
> > Thanks- Dölj citerad text -
>
> - Visa citerad text -

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