Resumes the download where it left off.
If the method succeeds, the return value is true. If the method fails, the return value is
false. To get extended error
information, call GetLastError and GetLastErrorDesc methods.
Before calling the ResumeDownload method, you must identify the
download session you are resuming by setting the DownloadSessionTempSubfolder
property. Upon the downloading of all files in the file list has finished, the
OnDownloadComplete event is fired. For more information on other events fired
during the download, see DownloadX events.
For an example, see
Resuming downloads with the DownloadX control.