Programming Patterns - Strategy
This software component for MetaTrader 5 is built to enhance the capabilities of your trading environment. This script functions as a utility program designed for specific, one-time execution tasks. It is utilized to perform targeted actions, such as closing all open orders, managing chart objects, or executing custom administrative commands on demand.
How to Setup and Use Programming Patterns - Strategy
1. Installation: Move your script file into the MQL/Scripts directory and restart the platform.
2. Execution: Drag the script onto a chart; it will perform a one-time action, such as closing all open orders or clearing chart objects.
3. Editing: Use MetaEditor (F4) to modify code, click "Compile," and verify no errors appear in the terminal before running.
4. Removing: Scripts stop automatically, but you can remove them manually by right-clicking the chart and choosing "Remove Script."
Frequently Asked Questions
Q: How are scripts different from EAs? A: Scripts execute a single action and then stop; EAs monitor the market and trade continuously.
Q: Can I assign a hotkey to a script? A: Yes, right-click the script in the Navigator, select "Set Hotkey," and define your preferred keyboard shortcut.
Q: Why did my script stop? A: Scripts are designed to stop immediately after finishing their programmed command; this is normal behavior.
Description & Settings
A good architecture is extendable, supportable, and reusable.
Patterns help build hq systems.
Patterns are proven to be good by experience.
Patterns are generic solitions for software engineering challenges.
Choose your pattern, don't invent it.
Most patterns are designed to manage changes of the architecture.
Most patterns incapsulate variable aspects of the systems.
Developers know patterns and effectively communicate with each other.
OOP CONCEPTS:
Abstraction,
Encapsulation,
Polymorphism,
Inheritance
RULES:
Encapsulate changes
Composition is better than inheritance.
Engineer with interfaces, not real classes.
