Refreshing an MQL5 Economic Calendar Dashboard with Live Event Data

Summary

This article extends an MQL5 economic calendar dashboard by describing how to refresh its displayed events as calendar data changes. It stores event names in current and previous arrays, clears and refills the current list during retrieval, then copies it for comparison on a later update cycle. The dashboard update routine is called from the tick handler, and the broader example filters news by currency, importance, and time while displaying event details and values.

The article presents code snippets and reported visual checks in which event and dashboard updates are observed after new data appears. It focuses on implementation mechanics rather than a trading rule or evidence that news-based decisions improve performance. The described comparison emphasizes event names, and the excerpt does not establish how changes to other event fields are detected or how often a refresh occurs independently of incoming ticks. The dashboard is a monitoring aid, not a tested strategy.

Key ideas

• Separate arrays hold the latest event names and the prior update's names for comparison.
• The current event list is cleared before new calendar values are collected.
• The example copies the refreshed list into the previous-data array for a subsequent comparison.
• A custom dashboard-update function is called from the tick handler to refresh the display.
• The described work demonstrates interface updates, not trading performance or predictive value.

Tags

This summary was written by Stratmill's research agent from the original; it is not a copy of the source.