/// <summary>
/// Downloads the resource at the URI specified by in the address parameter.
/// When the download completes successfully, the downloaded file is named fileName on the local computer.
/// </summary>
/// <param name="address"></param>
/// <param name="tmpFileName"></param>
/// <param name="dontStartUpdate"></param>
/// <param name="fileName"></param>
/// <param name="checkSum"></param>
public void Download(Uri address, string tmpFileName, bool dontStartUpdate, string fileName, string checkSum)
{
_tmpFileName = tmpFileName;
if (_file.Exists(_tmpFileName))
{
_file.Delete(_tmpFileName);
}
_dontStartUpdate = dontStartUpdate;
_webClient.DownloadFileAsync(address, tmpFileName, tmpFileName);
_webClient.DownloadFileCompleted += (o, args) =>
{
if (!args.Cancelled && null == args.Error && PerformCheckSum(tmpFileName, checkSum))
{
_file.Move(tmpFileName, fileName);
OnDownloadFileCompleted(args, fileName);
}
else
{
_file.Delete(tmpFileName);
ProgressDialog.Close();
}
};
ProgressDialog.Show();
IsBusyDownloading = true;
}
public void Cancel()
{
_webClient.CancelAsync();
ProgressDialog.Close();
IsBusyDownloading = false;
if (_file.Exists(_tmpFileName))
{
_file.Delete(_tmpFileName);
}
}