public override void WriteProgress(long sourceId, ProgressRecord record)
{
var message = record.Activity + " " + record.StatusDescription + " " + record.CurrentOperation;
if (record.SecondsRemaining > 0)
message += "(remaining " + record.SecondsRemaining + " seconds)";
var percent = record.PercentComplete >= 0 ? record.PercentComplete : 0;
_sessionViewModel.WriteProgress(message, percent);
}