//+------------------------------------------------------------------+
//|                                             Win32API_read_02.mq4 |
//|                                                           amenbo |
//|                                                type2             |
//+------------------------------------------------------------------+
#property copyright "amenbo"
//
#import "kernel32.dll"
   int _lopen  (string path, int of);
   int _lcreat (string path, int attrib);
   int _llseek (int handle, int offset, int origin);
   int _lread  (int handle, string buffer, int bytes);
   int _lwrite (int handle, string buffer, int bytes);
   int _lclose (int handle);
#import
//+------------------------------------------------------------------+
//| script program start function                                    |
//+------------------------------------------------------------------+
int start()
  {
//----
  string path="C:\\myLog\\API.txt";
  string buffer="";//type2
  string add="K";//type2
  
    Print("Before: buffer= ",buffer);
    //int count=30;
    int count=0;//type2
    int result_o;
    int handle_o=_lopen (path,0);//read_mode
    //
    //
    if(handle_o<0) 
     {
         Print("Error openig file",path);
         return(0);
     }
    //
         result_o=_llseek (handle_o,0,0);//set cursor top of file
     //
    if (result_o<0)
     {

         Print("Error placing cursor",path); 
         return(0);   
     }
     //
     //---------
         int result_o2=_llseek(handle_o,0,0);
     //--------
     //       
    if(result_o2<0) 
      {
        Print("Error placing cursor"); 
        return(0);     
      }
     //
     //--------
         //int result_o3=_lread(handle_o,buffer,count);
         int result_o3=_lread(handle_o,add,1);
         while(result_o3>0)
         {
            buffer=buffer+add;
            add="A";
            result_o3=_lread(handle_o,add,1);
         }
     //--------
     //
     /*
    if(result_o3<0)
      {  
        Print("Error reading from file ",path," ",count," bytes");
        return(0);   
      }
    //
    */
        int result_o4=_lclose(handle_o);
    //
    if(result_o4<0)
      {  
        Print("Error closing file ",path);
        return(0);   
      }    
   //----
        Print("After: buffer= ",buffer);
        //
        PlaySound("alert2.wav");
   //
   //-------
   return(0);
  }