/// <summary>
/// Downloads the specified file and lets the user specify the path and file name of the file to download.
/// </summary>
/// <param name="fileToDownload">The file to download.</param>
/// <param name="autoExecuteFileAfterDownload">True if the file should be executed automatically after download finished successfully. Otherwise false.</param>
/// <param name="shutDownApplicationWhenExecutingAfterDownload">True if the current application should be shut down after the execution of the downloaded file. Otherwise false.</param>
/// <returns>The (local) file name of the downloaded file if the file was downloaded successfully. When the file was not downloaded successfully, this. will be null.</returns>
public static string Download(string fileToDownload, bool autoExecuteFileAfterDownload, bool shutDownApplicationWhenExecutingAfterDownload)
{
if (!WebTools.WebResourceExists(fileToDownload))
{
return(null);
}
var fileName = Path.GetFileName(fileToDownload);
var extension = Path.GetExtension(fileToDownload);
var extensionWithoutDot = extension.Substring(1);
var sfd = new SaveFileDialog();
sfd.CheckPathExists = true;
sfd.OverwritePrompt = true;
sfd.FileName = fileName;
sfd.DefaultExt = extension;
sfd.Filter = extensionWithoutDot + " (*." + extensionWithoutDot + ")|*." + extensionWithoutDot;
var result = sfd.ShowDialog();
if (result.HasValue && result.Value)
{
var downloadWindow = new DownloadWindow(fileToDownload, sfd.FileName);
var downloadResult = downloadWindow.ShowDialog();
if (downloadResult.HasValue && !downloadResult.Value)
{
return(null);
}
if (autoExecuteFileAfterDownload)
{
Process.Start(sfd.FileName);
if (shutDownApplicationWhenExecutingAfterDownload)
{
Environment.Exit(0);
}
}
return(sfd.FileName);
}
else
{
return(null);
}
}
private void SetProgress(double progressPercent, long bytesReceived, long totalBytesToReceive)
{
this.progressBar.Value = progressPercent;
this.textBlockDownloadProgress.Text = DownloadWindow.ConvertByteToKB(bytesReceived) + "KB / " + DownloadWindow.ConvertByteToKB(totalBytesToReceive) + "KB";
}