Any questions from newcomers on MQL4 and MQL5, help and discussion on algorithms and codes - page 1133

[HeAic]

How do I replace the Sleep(500) function in the indicator?

[Vladimir Pastushak]

HeAic:
How to replace Sleep(500) function in the indicator?

by nothing, unfortunately... You cannot stop the flow of the indicator.

Revise the logic of the indicator...

[ascerdfg]

int OnInit()
  {
   return(INIT_SUCCEEDED);
  }
void OnDeinit(const int reason)
  {
  }
void OnTick()
  {
    int fileHandle=FileOpen("logg.txt",FILE_WRITE|FILE_TXT|FILE_SHARE_READ|FILE_UNICODE); 
    FileWrite(fileHandle,"иии");
    FileClose(fileHandle);
  }

It only records one "eeee" while I need it to be completed with every tick. Where did I go wrong?

[lex999]

Folks, how do I add currency pairs to MT5? Only ruble pairs are available, others are not on the general list.

[Valeriy Yastremskiy]

ascerdfg:
It only writes one "iii" while I need it to add a "iii" to each tick. Where did I go wrong?

Open the file in oninit, close it in deinit. That's how it works for me)))

[Alexey Viktorov]

ascerdfg:
It only records one "eeee" while I want it to be completed with every tick. Where did I go wrong?

Because the FILE_WRITE flag creates a NEW file each time it is opened. To be able to append something to existing file, it is necessary to open file for reading and writing.

[Valeriy Yastremskiy]

Alexey Viktorov:

Because the FILE_WRITE flag creates a NEW file each time you open it. To be able to add something to an existing file, you must open the file for reading and writing.

Didn't notice, sorry....

[Zlaya_budka]

I have a question. Somewhere the yuan to the dollar is traded, but it is either not present in MT5 or is only held by a broker for introductions and not for real trades.

[ascerdfg]

Alexey Viktorov:

Because the FILE_WRITE flag creates a NEW file each time it is opened. To be able to add something to an existing file, you must open the file for reading and writing.

So it is FILE_SHARE_READ

[Valeriy Yastremskiy]

ascerdfg:
So, it should be FILE_SHARE_READ

FILE_SHARE_READ

128

Shared read access by multiple programs. This flag is used when opening files (FileOpen()), but does not replace the need to specify FILE_WRITE and/or FILE_READ when opening a file

It does not. And in general, it's better not to open and close the file on every tick

It allows shared reads, not shared reads