How to get remaining time in downloading

This is a discussion on How to get remaining time in downloading within the Windows Programming forums, part of the Platform Specific Boards category; Hi, I am developing a application in which songs are download from the server. I am able to download it ...

  1. #1
    Registered User
    Join Date
    Jan 2007
    Posts
    104

    How to get remaining time in downloading

    Hi,

    I am developing a application in which songs are download from the server.
    I am able to download it but the problem is that I am not able to get the remaining time while the song is downloading......like 2 min remaining ....
    How can I do this ???

    Thanks

  2. #2
    Kernel hacker
    Join Date
    Jul 2007
    Location
    Farncombe, Surrey, England
    Posts
    15,677
    You need to know the full size of the file. If you know that, then you take a measurement of how far you have got so far, and the time it's taken so far. Divide the time taken so far by the proportion done (always less than one, so you should get a bigger value), and display that as "time remaining".

    So, if we have a 4MB file, we've got 1.2MB so far in 10 seconds:
    Code:
    totalSize = 4 * 1024 * 1024;
    doneSize = (int)(1.2 * 1024 * 1024); 
    timeUsed = 10;
    timeRemaining = timeUsed * ((double)doneSize / totalSize);
    --
    Mats
    Compilers can produce warnings - make the compiler programmers happy: Use them!
    Please don't PM me for help - and no, I don't do help over instant messengers.

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