protected void UpdateProgressMaximumOrMarqueeAndReset(int?maximumOrNull)
{
if (maximumOrNull == null)
{
frm.SetProgressBarStyle(System.Windows.Forms.ProgressBarStyle.Marquee);
}
else
{
frm.SetProgressBarStyle(System.Windows.Forms.ProgressBarStyle.Blocks);
frm.SetProgressBarMaximum(maximumOrNull.Value);
}
}