//+------------------------------------------------------------------+
//|                                             VisualInterfaces.mqh |
//|                                  Copyright 2025, MetaQuotes Ltd. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, MetaQuotes Ltd."
#property link      "https://www.mql5.com"
#property version   "1.00"

//+------------------------------------------------------------------+
//| Interface for view change callbacks                              |
//+------------------------------------------------------------------+
interface ViewEvents
{
   void OnViewChanged();
   void OnZoomChanged(long newZoom, long oldZoom); // Zoom is 0 to 5
   void OnMinZoomReached();
   void OnBeforeRender();
   void OnAfterRender();
};