Updates Log4Net appenders to adjust where they are set to write their log files to, to instead write them to the ClickOnce application's data directory.

UpdateDirectoryLog4NetFilesAreWrittenToForClickOnceApplications.cs

// If we are running via ClickOnce, we need to adjust the path where the log files are written to, otherwise they won't be written at all.
if (ApplicationDeployment.IsNetworkDeployed)
{
  var dataDirectory = ApplicationDeployment.CurrentDeployment.DataDirectory;
  foreach (var appender in LogManager.GetRepository().GetAppenders())
  {
    var fileAppender = appender as FileAppender;
    if (fileAppender != null)
    {
      var pathToReplace = Directory.GetParent(Directory.GetParent(fileAppender.File).FullName).FullName;
      fileAppender.File = fileAppender.File.Replace(pathToReplace, dataDirectory);
      fileAppender.ActivateOptions();
    }
  }
}