To add a new post, please log in or register All Blogs Analytics & ForecastsWeekly TrendsForecastsTrading SystemsMy TradingChartsTrading StrategiesStatisticsTrading IdeasScalpingNeural NetworksWave CountMarket NewsCurrencyMetalsCrude OilCompany NewsEventsBanksBrokersLaw/RegulationsOther Rules migration 221 Other MQL4 to MQL5 Migration: A Practical Guide from the 6 February 2026 #expert advisor, tutorial 3 186 Other MQL's OOP notes: HashMap supports old-fashioned MetaTrader 5 is not back compatible with MetaTrader 4 29 September 2016 #metatrader 5, indicator 5 113 Other MQL's OOP notes: Converting MetaTrader 4 It has been a long time since MetaTrader 5 was 28 September 2016 #metatrader 5, indicator