how to manage other applications data transfers from the web

Question

hello to my friends.
i have a project in c# or .Net:
my project should do manage and do check other applications of windows(for example:internet Download manager,Firefox(Downloader),etc... & every app that can download a file from web. in other words if an application started downloading a file from the web, my project(custom app c#) should detect it file and save it's File Started Download time. but my application just should write and save file's Download time. in originally IDM(InternetDownloadManager is that should do Download a file)>>>>to means: my app wants access to downloader applications Data transfers from web.
or access to external application.
how do it in c#?

Nitin Sontakke · Answer

Sounds complicated to me at the least. However you may also think in lines with intercepting network traffic implementing system wide file system watcher etc. This line of thinking will not need access to another processes data. With more and more managed processes running on our systems it would increasingly become difficult (if not impossible) to access another processes data. Essentially while your intentions are fine as declared by you it is always possible that you may be planning to write some sort of virus. For system it becomes very difficult to verify your intentions.