public virtual ExceptionHandler VisitExceptionHandler(ExceptionHandler handler)
{
if (handler == null) return null;
handler = (ExceptionHandler)handler.Clone();
handler.BlockAfterHandlerEnd = this.VisitBlock(handler.BlockAfterHandlerEnd);
handler.BlockAfterTryEnd = this.VisitBlock(handler.BlockAfterTryEnd);
handler.FilterExpression = this.VisitBlock(handler.FilterExpression);
handler.FilterType = this.VisitTypeReference(handler.FilterType);
handler.HandlerStartBlock = this.VisitBlock(handler.HandlerStartBlock);
handler.TryStartBlock = this.VisitBlock(handler.TryStartBlock);
return handler;
}