private void DownloadFilesAsync(object sender, System.ComponentModel.DoWorkEventArgs e)
{
AsyncDataStruct ads = (AsyncDataStruct)e.Argument;
System.ComponentModel.BackgroundWorker worker = sender as System.ComponentModel.BackgroundWorker;
//
FTPLib.FtpClient ftp = FTP;
int perc, old_perc = 0;
//
foreach (string remotePath in ads.FileList)
{
if (worker.CancellationPending)
{
break;
}
// open the file on the server and localy
string remoteFilePath = System.IO.Path.GetDirectoryName(remotePath);
string remoteFileName = System.IO.Path.GetFileName(remotePath);
//
ftp.ChangeDir(remoteFilePath);
ftp.OpenDownload(remotePath, System.IO.Path.Combine(ads.Directory.FullName, remoteFileName), false);
// download the file (read it from server, write it to disk)
while (true)
{
perc = ftp.DoDownload();
// No need to report progress everytime we get some bytes
// because it causes a flickery effect on the screen in most cases.
if (perc > old_perc)
{
worker.ReportProgress(perc, remoteFileName);
}
// is the download done?
if (perc == 100)
{
break;
}
old_perc = perc;
}
}
}
public void DownloadFiles(System.Collections.Specialized.StringCollection fileList, System.IO.DirectoryInfo directoryInfo, System.ComponentModel.ProgressChangedEventHandler progressChangedEventHandler, System.ComponentModel.RunWorkerCompletedEventHandler runWorkerCompletedEventHandler)
{
System.ComponentModel.BackgroundWorker worker = new System.ComponentModel.BackgroundWorker();
if (progressChangedEventHandler != null)
{
worker.ProgressChanged += progressChangedEventHandler;
worker.WorkerReportsProgress = true;
worker.WorkerSupportsCancellation = true;
}
if (runWorkerCompletedEventHandler != null)
{
worker.RunWorkerCompleted += runWorkerCompletedEventHandler;
}
worker.DoWork += new System.ComponentModel.DoWorkEventHandler(DownloadFilesAsync);
AsyncDataStruct ads = new AsyncDataStruct();
ads.Directory = directoryInfo;
ads.FileList = fileList;
worker.RunWorkerAsync(ads);
}
public void DownloadFiles(System.Collections.Specialized.StringCollection fileList, System.IO.DirectoryInfo directoryInfo, System.ComponentModel.ProgressChangedEventHandler progressChangedEventHandler, System.ComponentModel.RunWorkerCompletedEventHandler runWorkerCompletedEventHandler)
{
System.ComponentModel.BackgroundWorker worker = new System.ComponentModel.BackgroundWorker();
if(progressChangedEventHandler!=null)
{
worker.ProgressChanged += progressChangedEventHandler;
worker.WorkerReportsProgress = true;
worker.WorkerSupportsCancellation = true;
}
if(runWorkerCompletedEventHandler!=null)
{
worker.RunWorkerCompleted += runWorkerCompletedEventHandler;
}
worker.DoWork += new System.ComponentModel.DoWorkEventHandler(DownloadFilesAsync);
AsyncDataStruct ads = new AsyncDataStruct();
ads.Directory = directoryInfo;
ads.FileList = fileList;
worker.RunWorkerAsync(ads);
}
