///<summary>Returns the ValueString of a pref or null if that pref is not found in the database.</summary>
private string GetHiddenPrefString(PrefName pref)
{
try {
Pref hiddenPref = Prefs.GetOne(pref);
return(hiddenPref.ValueString);
}
catch (Exception ex) {
ex.DoNothing();
return(null);
}
}
