Как в C# сделать счетчик в цикле If

using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using WealthLab;
using WealthLab.Indicators;

namespace WealthLab.Strategies
{
public class MyStrategy: WealthScript
{
public int Nbar;

protected override void Execute()
{
for(int bar = GetTradingLoopStartBar(6); bar < Bars.Count; bar++)
{

if (IsLastPositionActive)
{
Position p = LastPosition;

if (ROC.GetSeriesValue(bar,Close)>=Highest.Value(bar,Close,7))
{
Nbar=+1;
if (Nbar<=3)
{
BuyAtClose(bar, «Group1|»);
}
}
if (p.EntrySignal.Contains(«Group1|»))
{
if (ROC.GetSeriesValue(bar,Close)<=Lowest.Value(bar,Close,7))
{
SellAtMarket(bar + 1, Position.AllPositions);
}
}
}
else
{
if (ROC.GetSeriesValue(bar,Close)>=Highest.Value(bar,Close,7))
{
BuyAtClose(bar, «Group1|»);
Nbar=1;
}
}
}
}
}
}