private ZTry VisitZTry(ZTry Try)
{
Try.Body = this.VisitBlock(Try.Body);
WithList newCatchers = new WithList();
for (int i = 0, n = Try.Catchers.Length; i < n; i++)
newCatchers.Add(this.VisitWith(Try.Catchers[i]));
Try.Catchers = newCatchers;
return Try;
}