The CDownLoadHistory class provides the methods of historical data downloading in two modes: "visual" and "silent".
1. Visual mode
The example of use of this mode is downloadhistoryvisualmode.mq5.
The "history download mode" input parameter can be one of two modes: "current symbol" or "all symbols from Market Watch window":
For the "All symbols from Market Watch window" mode, it will show two progress bars:
For the case if the "current symbol" mode is selected, the single progress bar will be shown:
It prints the results in "Experts" tab of "Toolbox" window:
2. Silent mode
The result of downloading is availiable as a return code. The silent mode can be useful in programs, where visualization is not needed. See example in downloadhistorysilentmode.mq5 script.
It uses the CProgressBar class, described in The Price Histogram (Market Profile) and its implementation in MQL5.
Translated from Russian by MetaQuotes Software Corp.
Original code: https://www.mql5.com/ru/code/304
The script contains a class, that can be used to solve mathematical and logical expressions, defined as string.downloadhistory.mq5
The script downloads historical data (for the current symbol), available at trade server.
Trade signals based on "Bullish Engulfing/Bearish Engulfing" candlestick pattern, confirmed by Stochastic indicator is considered. The code of the Expert Advisor based on this strategy can be generated automatically using the MQL5 Wizard.MQL5 Wizard - Trade Signals Based on Bullish Engulfing/Bearish Engulfing + CCI
Trade signals based on "Bullish Engulfing/Bearish Engulfing" candlestick pattern, confirmed by Commodity Channel Index (CCI) indicator is considered. The code of the Expert Advisor based on this strategy can be generated automatically using the MQL5 Wizard.