/// <summary>
/// Begins the download.
/// </summary>
private void BeginDownload()
{
Uri url = new Uri($"{m_datafile.Address}/{m_datafile.Name}");
string urlValidationError;
if (!HttpWebClientService.IsValidURL(url, out urlValidationError))
{
return;
}
if (File.Exists(m_tempFilename))
{
FileHelper.DeleteFile(m_tempFilename);
}
try
{
using (WebClient)
{
WebClient.DownloadFileCompleted += DownloadCompleted;
WebClient.DownloadProgressChanged += ProgressChanged;
try
{
WebClient.DownloadFileAsync(url, m_tempFilename);
}
catch (WebException ex)
{
throw HttpWebClientServiceException.HttpWebClientException(url, ex);
}
catch (Exception ex)
{
throw HttpWebClientServiceException.Exception(url, ex);
}
}
}
catch (Exception ex)
{
ExceptionHandler.LogRethrowException(ex);
throw;
}
}
/// <summary>
/// Handles the Shown event of the UpdateDownloadForm control.
/// </summary>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
protected override void OnShown(EventArgs e)
{
base.OnShown(e);
string urlValidationError;
if (!HttpWebClientService.IsValidURL(m_url, out urlValidationError))
{
throw new ArgumentException(urlValidationError);
}
try
{
using (m_client = HttpWebClientService.GetWebClient())
{
m_client.DownloadFileCompleted += DownloadCompleted;
m_client.DownloadProgressChanged += ProgressChanged;
try
{
m_client.DownloadFileAsync(m_url, m_fileName);
}
catch (WebException ex)
{
throw HttpWebClientServiceException.HttpWebClientException(m_url, ex);
}
catch (Exception ex)
{
throw HttpWebClientServiceException.Exception(m_url, ex);
}
}
}
catch (Exception ex)
{
ExceptionHandler.LogRethrowException(ex);
throw;
}
}