EA-45594 · Utility

LifeCycle

This is a diagnostic utility EA that demonstrates the MQL5 program lifecycle by printing initialization and deinitialization events. It uses a static C++-style Loader class to trap global constructor/destructor calls and logs the deinitialization reason codes. It does not execute any trading operations.

Open the interactive view (equity curve, symbol switch)

Key facts

CategoryUtility
RiskSafe
Rating★★☆☆☆
TypeUtility tool
TimeframesM1, M5, M15, M30, H1, H4, D1
IndicatorsNone
Author—

Backtest results (H1, about 1 year)

Not backtested yet — this EA could not be converted automatically.

Strategy analysis

This EA is not a trading strategy but a lifecycle debugging utility. It uses a static Loader class with constructor and destructor to print function signatures during global initialization and finalization, demonstrating when global objects are constructed and destroyed in MQL5. The OnInit function prints the Fake input parameter value along with the uninitialization reason code, while OnDeinit logs the specific deinitialization reason as an enum string. Position sizing and money management are entirely absent since no trading occurs. Its core value lies in helping developers understand the execution order of callbacks during an MQL5 EA's load, run, and unload process. The inclusion of the Fake input parameter allows testing how input changes trigger reinitialization with different reason codes.

Strengths

  • Clearly demonstrates the execution order of callbacks in the MQL5 program lifecycle
  • Clever use of static class constructor/destructor to trap global initialization and finalization events
  • Outputs deinitialization reasons as human-readable enum strings for easy debugging
  • Concise and clear code, suitable as a teaching example

Weaknesses

  • No trading functionality at all, limited practical utility beyond education
  • Lacks detailed comments explaining the meaning of each deinitialization reason code
  • The Fake parameter name is unintuitive and does not clarify its purpose of triggering reinitialization
  • No error handling or edge case consideration

Possible improvements

  • Add detailed comments explaining each ENUM_DEINIT_REASON value and its usage scenario
  • Rename the Fake parameter to something more descriptive like ReinitTrigger with a tooltip explanation

Risk assessment

Overall risk: Safe

  • This EA performs no trading operations, posing no financial risk
  • Serves only as a debugging tool with no market or capital risk

Evaluation scores

Code quality4.0
Strategy logic1.0
Risk management5.0
Robustness3.0
Innovation3.0
Documentation2.0
Overall3.0

Parameters

ParameterDefaultDescription
Fake0Virtual input to trigger EA reinitialization for deinit reason codes

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Backtests are historical simulations and do not guarantee future results. Not financial advice.

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