How to make an EA in mq5 to trade only one hour before high impact news, and one hour after?

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How to make an EA in mq5 to trade only one hour before high impact news, and one hour after?
 
By coding the datetime filters.
 
by coding with xml from web and time filter
 
give some examples please
 
thank you you are very helpfull
  
//+------------------------------------------------------------------+
//|                                                PinkEventDate.mq5 |
//|                        Copyright 2019, MetaQuotes Software Corp. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2019, MetaQuotes Software Corp."
#property link      "https://www.mql5.com"
#property version   "1.00"

int minAfter,minBefore;
//+------------------------------------------------------------------+
//| Script program start function                                    |
//+------------------------------------------------------------------+
void OnStart()
  {
   datetime date1=last_pink_event_date();
   datetime date2=next_pink_event_date();
   string text="";

   if(date1>0)text+="LastPinkEventDate = "+string(date1)
      +"\n"+"minAfter = "+(string)minAfter;
   else text += "\n"+"No 'LastPink Event' available.";
   
   if(date2>0) text+="\n"+"NextPinkEventDate = "+string(date2)
      +"\n"+"minBefore = "+(string)minBefore;
   else text += "\n"+"No 'NextPink Event' available.";

   MessageBox(text,"Information",0);


  }
//+------------------------------------------------------------------+
datetime last_pink_event_date()
  {
   string  name="";
   long date=0;
   int total=ObjectsTotal(0)-1;

   for(int i=total; i>=0; i --)
     {
      name=ObjectName(0,i);

      if(ObjectGetInteger(0,name,OBJPROP_TYPE,0) !=OBJ_EVENT) continue; 
      if(ObjectGetInteger(0,name,OBJPROP_COLOR,0) != clrPink) continue; 

      Print(ObjectGetString(0,name,OBJPROP_TEXT,0));

      date=(long)ObjectGetInteger(0,name,OBJPROP_TIME);

      minAfter=(int)(date -(long)TimeCurrent())/60;
      return(datetime)date;

     }

   return 0;
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
datetime next_pink_event_date()
  {
   string  name="";
   long date=0;
   int total=ObjectsTotal(0)-1;

   for(int i=0; i<ObjectsTotal(0); i++)
     {
      name=ObjectName(0,i);

      if(ObjectGetInteger(0,name,OBJPROP_TYPE,0)==OBJ_EVENT)
         if(ObjectGetInteger(0,name,OBJPROP_COLOR,0)==clrPink)
           {

            date=(long)ObjectGetInteger(0,name,OBJPROP_TIME);

            if(date>TimeCurrent())
              {
               minBefore=(int)(date -(long)TimeCurrent())/60;
               Print(minBefore);
               Print((string)ObjectGetInteger(0,name,OBJPROP_COLOR,0));
               return(datetime)date;
              }

           }

     }

   return 0;

  }
//+------------------------------------------------------------------+
 
I solve it my self,thanks
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