//+------------------------------------------------------------------+ //| Order Block Indicator MT4 | //| Version 1.0 | //| | //| Written by [Your Name] | //| | //| Terms of Reference for Writing Code | //| | //| This program is a custom indicator for MT4 | //| that identifies and highlights order blocks and supply/demand zones. | //| | //| [Add any additional comments or details here] | //| | //| Backlink: [https://forexroboteasy.com/forex-robot-review/review-order-block-indicator-mt4s-precision-in-forex-trading/] | //+------------------------------------------------------------------+

#property strict

// Input parameters input int blockSize = 5; // Size of the order blocks input double sensitivity = 0.5; // Sensitivity of the indicator input color blockColor = clrYellow; // Color of the order blocks

// Global variables double orderBlocksBuffer[]; double supplyDemandZonesBuffer[];

//+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int OnInit() { IndicatorBuffers(2);

// Set buffer for order blocks SetIndexBuffer(0, orderBlocksBuffer); SetIndexStyle(0, DRAW_ARROW); SetIndexArrow(0, SYMBOL_ARROWUP); SetIndexEmptyValue(0, EMPTY_VALUE);

// Set buffer for supply/demand zones SetIndexBuffer(1, supplyDemandZonesBuffer); SetIndexStyle(1, DRAW_COLOR_SECTION); SetIndexEmptyValue(1, EMPTY_VALUE);

return(INIT_SUCCEEDED); }

//+------------------------------------------------------------------+ //| Custom indicator deinitialization function | //+------------------------------------------------------------------+ void OnDeinit(const int reason) { // Clean up buffers ArrayInitialize(orderBlocksBuffer, EMPTY_VALUE); ArrayInitialize(supplyDemandZonesBuffer, EMPTY_VALUE); }

//+------------------------------------------------------------------+ //| Custom indicator calculation function | //+------------------------------------------------------------------+ int OnCalculate(const int rates_total, const int prev_calculated, const datetime &time[], const double &open[], const double &high[], const double &low[], const double &close[], const long &tick_volume[], const long &volume[], const int &spread[]) { // Calculate order blocks and supply/demand zones based on the input parameters

// [Add your code here to identify order blocks and supply/demand zones]

// Plot order blocks for (int i = 0; i < ArraySize(orderBlocksBuffer); i++) { if (orderBlocksBuffer[i] != EMPTY_VALUE) { double blockPrice = orderBlocksBuffer[i]; string blockLabel = 'Order Block';

     if (blockPrice > high[i])
        blockLabel += ' (Sell)';
     else if (blockPrice < low[i])
        blockLabel += ' (Buy)';
     
     ChartSetInteger(0, CHART_COMMENT, i, blockLabel);
     ChartArrow(0, time[i], blockPrice);
  }

}

// Plot supply/demand zones for (int i = 0; i < ArraySize(supplyDemandZonesBuffer); i += 2) { if (supplyDemandZonesBuffer[i] != EMPTY_VALUE && supplyDemandZonesBuffer[i + 1] != EMPTY_VALUE) { double zoneStart = supplyDemandZonesBuffer[i]; double zoneEnd = supplyDemandZonesBuffer[i + 1];

     ChartSetInteger(0, CHART_COMMENT, i, 'Supply/Demand Zone');
     ChartSetInteger(0, CHART_COMMENT, i + 1, 'Supply/Demand Zone');
     ChartSetInteger(0, CHART_COLOR, i, blockColor);
     ChartSetInteger(0, CHART_COLOR, i + 1, blockColor);
     
     ChartRectangle(0, time[i], zoneStart, time[i], zoneEnd);
  }

}

return(rates_total); }