(Mono C#) HTTP Download with Progress Event Callbacks

Downloads a file via HTTP or HTTPS and uses event callbacks to monitor progress.

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// AbortCheck callback method.
public void handleAbortCheck(out bool abort)
    {
    // Application code goes here.
    }

// PercentDone callback method.
public void handlePercentDone(int pctDone, out bool abort)
    {
    // Application code goes here.
    }

// ProgressInfo callback method.
public void handleProgressInfo(string name, string value)
    {
    // Application code goes here.
    }

private void ChilkatExample()
    {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    Chilkat.Http http = new Chilkat.Http();

    Chilkat.Http.AbortCheck abortCheck = new Chilkat.Http.AbortCheck(handleAbortCheck);
    http.setAbortCheckCb(abortCheck);

    Chilkat.Http.PercentDone percentDone = new Chilkat.Http.PercentDone(handlePercentDone);
    http.setPercentDoneCb(percentDone);

    Chilkat.Http.ProgressInfo progressInfo = new Chilkat.Http.ProgressInfo(handleProgressInfo);
    http.setProgressInfoCb(progressInfo);

    // Set a heartbeat in milliseconds 
    http.HeartbeatMs = 200;

    // Download a file...
    string localFilePath = "qa_output/Python-3.4.4.tar.xz";
    bool success = http.Download("https://www.python.org/ftp/python/3.4.4/Python-3.4.4.tar.xz",localFilePath);
    if (success != true) {
        Debug.WriteLine(http.LastErrorText);
        return;
    }

    Debug.WriteLine("OK!");

    }