FarPoint.Win.Spread.SmartPrintRulesCollection rules = new FarPoint.Win.Spread.SmartPrintRulesCollection();
FarPoint.Win.Spread.PrintInfo pi = new FarPoint.Win.Spread.PrintInfo();
object obj = new object();
rules.Add(new FarPoint.Win.Spread.ScaleRule(FarPoint.Win.Spread.ResetOption.None,1, 2, 0.5f));
rules.Add(new FarPoint.Win.Spread.BestFitColumnRule(FarPoint.Win.Spread.ResetOption.None));
obj = new FarPoint.Win.Spread.LandscapeRule(FarPoint.Win.Spread.ResetOption.None);
if( obj is FarPoint.Win.Spread.SmartPrintRule )
rules.Add(obj);
else
throw new ArgumentException("Invalid object type specified: " + obj.GetType().ToString() + " (must be SmartPrintRule).");
pi.SmartPrintRules = rules;
fpSpread1.ActiveSheet.PrintInfo = pi;
bool b;
b = rules.Contains(obj);
if (b == true)
{
MessageBox.Show("The object is in the collection");
}