HTTP Resume Download File

Demonstrates how to resume downloading of a partially downloaded file.

Download: Chilkat .NET Assemblies

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

bool success;

//  Any string unlocks the component for the 1st 30-days.
success = http.UnlockComponent("Anything for 30-day trial");
if (success != true) {
    MessageBox.Show(http.LastErrorText);
    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:
string localFilename;
localFilename = "ChilkatPerl.zip";
string url;
url = "http://www.chilkatsoft.com/download/ChilkatPerl.zip";
success = http.ResumeDownload(url,localFilename);
if (success != true) {
    MessageBox.Show(http.LastErrorText);
}
else {
    MessageBox.Show("Download Complete!");
}