public override void Begin(ArgumentList args)
{
SourceUrl = args.GetAfter("-source");
TargetFile = args.GetAfter("-target");
ExistsBehavour = args.GetAfter("-existsbehaviour");
switch (ExistsBehavour.ToLower())
{
case "skip":
if (File.Exists(TargetFile))
{
HasExited = true;
ExitCode = 0;
return;
}
break;
case "fail":
if (File.Exists(TargetFile))
{
HasExited = true;
ExitCode = 1;
throw new SystemException("Target file exists.");
}
break;
}
HasExited = false;
Action = DownloadString;
Action.BeginInvoke(SourceUrl, TargetFile, CompletedCallback, null);
}
private void DownloadStringDialog_Load(object sender, EventArgs e)
{
cboFileExistsBehaviour.Items.Add("Skip - do not download anything");
cboFileExistsBehaviour.Items.Add("Overwrite the existing file");
cboFileExistsBehaviour.Items.Add("Fail");
cboFileExistsBehaviour.SelectedIndex = 0;
var args = new ArgumentList(Arguments ?? "");
if (args.Count <= 0)
{
return;
}
var deleteFileArguments = new DownloadStringArguments(args);
txtSourceUrl.Text = deleteFileArguments.SourceUrl;
txtTargetFile.Text = deleteFileArguments.TargetFile;
var existsBehaviour = args.GetAfter(DownloadStringArguments.ExistsBehaviour);
cboFileExistsBehaviour.SelectedIndex = existsBehaviour.ToLower() switch
{
DownloadStringArguments.ExistsBehaviourOverwrite => 1,
DownloadStringArguments.ExistsBehaviourFail => 2,
_ => 0
};
}