Send alert signal to telegram

[Manh Ha Coong]

How to send alert signal from metatrader4 to telegram channel

See file attach please

Help me please

[Marco vd Heijden]

Hi please see: https://www.mql5.com/en/articles/2355

[Sergei Poliukhov]

This example How send message from indicator to Telegram

#property link      "https://www.mql5.com"

#property version   "1.00"

#property strict

#property indicator_chart_window

#include <Wininet.mqh>

#define telegramBaseURL   "https://api.telegram.org"

///https://tlgrm.ru/docs/bots/api почитать как что отправлять

input string inpToken="111111111:gdfgsdfgsdfgsSDASffasd f";//Token

input string inpChat_id ="-346546546546456456";

bool inpParsMode =true;

int OnInit()

  {

    string data;

    string url="https://api.telegram.org/bot" + inpToken + "/sendMessage?chat_id="+inpChat_id;

   

    if(inpParsMode){

      url = url + "&parse_mode=HTML";

    } 

   

    url = url + "&text= " + "<b>1114</b>";

    

    ReadUrl(url,data);

    return(INIT_SUCCEEDED);

  }

//+------------------------------------------------------------------+

//| Custom indicator iteration 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[])

  {

//---

   

//--- return value of prev_calculated for next call

   return(rates_total);

  }

//+------------------------------------------------------------------+

thi library win

//+------------------------------------------------------------------+

//|                                                      Wininet.mqh |

//|                                                     Version: 1.0 |

//|                            Copyright 2015, Wemerson C. Guimaraes |

//|                  https://www.mql5.com/pt/users/wemersonrv/seller |

//|                  ;     |

//+------------------------------------------------------------------+

#property copyright "Copyright 2015, Wemerson C. Guimaraes"

#property link      "https://www.mql5.com/pt/users/wemersonrv/seller"

//=================================================================================================

//=================================================================================================

//====================================   ReadUrl Function   =======================================

//=================================================================================================

//=================================================================================================

#define READURL_BUFFER_SIZEX   100

#define HTTP_QUERY_STATUS_CODE  19

#import  "Wininet.dll"

   int InternetOpenW(string, int, string, string, int);

   int InternetConnectW(int, string, int, string, string, int, int, int); 

   int HttpOpenRequestW(int, string, string, int, string, int, string, int); 

   int InternetOpenUrlW(int, string, string, int, int, int);

   int InternetReadFile(int, uchar & arr[], int, int& OneInt[]);

   int InternetCloseHandle(int); 

   int HttpQueryInfoW(int ,int ,uchar &lpvBuffer[],int& lpdwBufferLength, int& lpdwIndex);

#import

void ReadUrl(string url, string& data)

{

int HttpOpen = InternetOpenW(" ", 0, " ", " ", 0); 

   int HttpConnect = InternetConnectW(HttpOpen, "", 80, "", "", 3, 0, 1); 

   int HttpRequest = InternetOpenUrlW(HttpOpen, url, NULL, 0, 0, 0);

   

   uchar cBuff[5];

   int cBuffLength=10;

   int cBuffIndex=0;

   int HttpQueryInfoW = HttpQueryInfoW(HttpRequest, HTTP_QUERY_STATUS_CODE, cBuff, cBuffLength, cBuffIndex);

   

   // HTTP Codes... Only the 1st character (4xx, 5xx, etc)

   int http_code = (int) CharArrayToString(cBuff, 0, WHOLE_ARRAY, CP_UTF8);   

   if( http_code==4 || http_code==5 ){ // 4XX || 5XX

      Print("HTTP Error: ", http_code, "XX");

      if (HttpRequest > 0) InternetCloseHandle(HttpRequest); 

      if (HttpConnect > 0) InternetCloseHandle(HttpConnect); 

      if (HttpOpen > 0) InternetCloseHandle(HttpOpen);  

      data="HTTP_ERROR";

   }else{

      int read[1];

      uchar  Buffer[];

      ArrayResize(Buffer, READURL_BUFFER_SIZEX + 1);

      data="";

      while (true)

      {

         InternetReadFile(HttpRequest, Buffer, READURL_BUFFER_SIZEX, read);

         string strThisRead = CharArrayToString(Buffer, 0, read[0], CP_UTF8);

         if (read[0] > 0)

            data = data + strThisRead;

         else

            break;

      }

   }

   

   if (HttpRequest > 0) InternetCloseHandle(HttpRequest); 

   if (HttpConnect > 0) InternetCloseHandle(HttpConnect); 

   if (HttpOpen > 0) InternetCloseHandle(HttpOpen);  

}