HTTP Resume Download File

Demonstrates how to resume downloading of a partially downloaded file.

Downloads:

MS Windows Visual C/C++ Libraries

Linux/CentOS C/C++ Libraries

MAC OS X C/C++ Libraries

Solaris C/C++ Libraries

C++ Builder Libraries

FreeBSD C++ Libraries

HP-UX C++ Libraries

BlackBerry QNX C++ Libraries

// Needs #include <CkHttp.h>

    CkString strOut;

    CkHttp http;

    bool success;

    //  Any string unlocks the component for the 1st 30-days.
    success = http.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    //  Resume downloading a file.
    //  It is assumed that a prior download was interrupted
    //  and a partial file already exists on the local filesystem.
    //  To download the remainder of the file, call ResumeDownload:
    const char * localFilename;
    localFilename = "ChilkatPerl.zip";
    const char * url;
    url = "http://www.chilkatsoft.com/download/ChilkatPerl.zip";
    success = http.ResumeDownload(url,localFilename);
    if (success != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
    }
    else {
        strOut.append("Download Complete!\r\n");
    }


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());