dynamic-W-Sound

//+------------------------------------------------------------------+
//|                                                      dynamic.mq4 |
//|                      Copyright © 2006, MetaQuotes Software Corp. |
//|                                        http://www.metaquotes.net |
//|                                                                  |
//|   Aug 5, 2006 : Cubesteak : Sound added to arrows                |
//|                  http://www.forex-tsd.com                        |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, MetaQuotes Software Corp."
#property link      "http://www.metaquotes.net"

#property indicator_chart_window
#property indicator_buffers 3 
#property indicator_color1 Gold // BUY signal 
#property indicator_color2 Yellow // BUY signal 
#property indicator_color3 Red // SELL signal 
//----Indicator Buffers--------------------------------------------+ 
double DynamicLineTrend []; // Data buffer for dynamic line trend 
double BUYSignals []; // Data buffer for BUY signals 

double SELLSignals []; // Data buffer for SELL signals //----User defines-------------------------------------------------
extern int Percent=1; // Percent dynamic channel  15  Main Trend 10
extern int MaxPeriod=14; // 12 FOR H1 Maximal period for calculate trend 50 Main Trend 89
 //----Variables----------------------------------------------------+ 
 int Shift=0;  // Current bar for calculate trend // 
//+------------------------------------------------------------------+ 
//| Custom indicator initialization function                        |
//+------------------------------------------------------------------+
 int init ()
 {
SetIndexStyle (0, DRAW_LINE);
SetIndexBuffer(0, DynamicLineTrend); 

SetIndexStyle (1, DRAW_ARROW);
SetIndexArrow (1,233);
SetIndexBuffer(1, BUYSignals); 
 
SetIndexStyle (2, DRAW_ARROW);
SetIndexArrow (2,234);
SetIndexBuffer(2, SELLSignals);
 return (0);
 } 
//-------------------------------------------------------------------+

// +------------------------------------------------------------------+ 
// | Custom indicator iteration function                              |
// +------------------------------------------------------------------+ 
 int start () 
 {  
// Get digits of Symbol 
 double point=MarketInfo (Symbol (), MODE_POINT); 
// Set count bars for calculate trend
 int Counted_Bars=IndicatorCounted ()-MaxPeriod; 
//----Calculation DynamicLineTrend---------------------------------+
   for ( Shift = Counted_Bars; Shift>=0; Shift--)
  {
// Calculate of maximal period 
      if (Close [Shift] <DynamicLineTrend [Shift+1])
         {
            // Calculate Upper trend
            DynamicLineTrend [Shift] =Close [Highest (NULL, 0, MODE_CLOSE, MaxPeriod, Shift+1)]-Percent*point;
         }
    
      if (Close [Shift]>=DynamicLineTrend [Shift+1])
         {
            // Calculate Down trend
               DynamicLineTrend [Shift] =Close [Lowest (NULL, 0, MODE_CLOSE, MaxPeriod, Shift+1)] +Percent*point;
         } 

// Checkcrosses DynamicLineTrend and Price
      if (Close [Shift+3]> DynamicLineTrend [Shift+2])              
      if (Close [Shift+2] <DynamicLineTrend [Shift+3]){
             BUYSignals [Shift] =Low [Shift]-10*point;
             PlaySound("alert.wav");}
         else
             BUYSignals [Shift] =0;
        
         else
             BUYSignals [Shift] =0;
             
      if (Close [Shift+2] <DynamicLineTrend [Shift+1])       
      if (Close [Shift+2]> DynamicLineTrend [Shift+3]){
             SELLSignals [Shift] =High [Shift]-10*point;
             PlaySound("alert.wav");}
         else
             SELLSignals [Shift] =0;
       
         else 
             SELLSignals [Shift] =0;
   } 
//-------------------------------------------------------------------+ 
return (0);
} 
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++