Specification
Hi Devs, thanks for your good works.
I have a code that worked perfectly for me on mt4. I tried converting my code to mt5 but the kernel32.dll aspect of the code is not giving the same result.
Please help me check what I am doing wrong, make corrections tell me what i did wrong.
Budget is $30
Thanks
//+------------------------------------------------------------------+ //| K32dllmt5.mq5 | //| Copyright 2021, MetaQuotes Software Corp. | //| https://www.mql5.com | //+------------------------------------------------------------------+ #property copyright "Copyright 2021, MetaQuotes Software Corp." #property link "https://www.mql5.com" #property version "1.00" #property strict #import "kernel32.dll" int CreateFileW(string Filename,int AccessMode,int ShareMode,int PassAsZero,int CreationMode,int FlagsAndAttributes,int AlsoPassAsZero); int GetFileSize(int FileHandle,int PassAsZero); int SetFilePointer(int FileHandle,int Distance,int &PassAsZero[],int FromPosition); int ReadFile(int FileHandle,uchar &BufferPtr[],int BufferLength,int &BytesRead[],int PassAsZero); int CloseHandle(int FileHandle); #import double data[][2]; int BytesToRead; string datapath; string result; union Price { uchar buffer[8]; double close; }; Price m_price; //+------------------------------------------------------------------+ //| Expert initialization function | //+------------------------------------------------------------------+ int OnInit() { //--- string account_server=AccountInfoString(3); datapath=TerminalInfoString(3)+"\\history\\" +account_server+"\\"+Symbol()+"240"+".hst"; ReadFileHst(datapath); //--- return(INIT_SUCCEEDED); } //+------------------------------------------------------------------+ //| Expert deinitialization function | //+------------------------------------------------------------------+ void OnDeinit(const int reason) { //--- } //+------------------------------------------------------------------+ //| Expert tick function | //+------------------------------------------------------------------+ void OnTick() { Comment("Bytes To Read: ", BytesToRead); } //+------------------------------------------------------------------+ //+------------------------------------------------------------------+ void ReadFileHst(string FileName) { int j=0;; string strFileContents; int Handle; int LogFileSize; int movehigh[1]= {0}; uchar buffer[]; int nNumberOfBytesToRead; int read[1]= {0}; int i; double mm; //----- ----- strFileContents=""; Handle=CreateFileW(FileName,(int)0x80000000,3,0,3,0,0); //+------------------------------------------------------------------+ //| | //+------------------------------------------------------------------+ if(Handle==-1) { Comment(""); return; } LogFileSize=GetFileSize(Handle,0); //+------------------------------------------------------------------+ //| | //+------------------------------------------------------------------+ if(LogFileSize<=0) { return; } //+------------------------------------------------------------------+ //| | //+------------------------------------------------------------------+ if((LogFileSize-148)/60==BytesToRead) { return; } SetFilePointer(Handle,148,movehigh,0); BytesToRead=(LogFileSize-148)/60; ArrayResize(data,BytesToRead,0); nNumberOfBytesToRead=60; ArrayResize(buffer,60,0); for(i=0; i<BytesToRead; i=i+1) //+------------------------------------------------------------------+ //| | //+------------------------------------------------------------------+ { ReadFile(Handle,buffer,nNumberOfBytesToRead,read,NULL); if(read[0]==nNumberOfBytesToRead) { result=StringFormat("0x%02x%02x%02x%02x%02x%02x%02x%02x",buffer[7],buffer[6],buffer[5],buffer[4],buffer[3],buffer[2],buffer[1],buffer[0]); m_price.buffer[0] = buffer[32]; m_price.buffer[1] = buffer[33]; m_price.buffer[2] = buffer[34]; m_price.buffer[3] = buffer[35]; m_price.buffer[4] = buffer[36]; m_price.buffer[5] = buffer[37]; m_price.buffer[6] = buffer[38]; m_price.buffer[7] = buffer[39]; mm=m_price.close; data[j][0] = StringToDouble(result); data[j][1] = mm; j=j+1; strFileContents=TimeToString(StringToTime(result),3)+" "+DoubleToString(mm,8); } else { CloseHandle(Handle); return; } } CloseHandle(Handle); strFileContents=DoubleToString(data[j-1][0],3)+" "+DoubleToString(data[j-1][1],8)+" "+DoubleToString(data[j-2][1],3)+" "+DoubleToString(data[j-2][1],8); result=strFileContents; }
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