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Named Pipes for MT4

  • #61
  • May 19, 2015 10:28am May 19, 2015 10:28am
Quoting rockit
{quote} Ok, you may consider the use of EventChartCustom function to notify all EAs and transmit parameters. In your case this would mean that the EA that wants to act would notify the master EA, and the master EA would notify all other EAs to act accordingly. Look at the function and example here: http://docs.mql4.com/eventfunctions/eventchartcustom
Thanks Rockit, I will give this a go!
  • #62
  • Edited May 21, 2015 5:34am May 20, 2015 12:30pm | Edited May 21, 2015 5:34am
So in the end, after a few more hours of experimenting with sangmane's original code, I managed to create two new include files, that work with modern builds of MT4 (i.e. 600+, my build being 765). I attach these below, for anybody else that may be having trouble implementing Named Pipes into their code. The client acts as a message sender, where as the server can create, read messages from, and delete the named pipe itself.

EDIT 21.05.15: Updated Cllient.

Regards,
ytrader07
Attached File(s)
File Type: mqh NamedPipeServer.mqh   4 KB | 1,473 downloads
File Type: mqh NamedPipeClient.mqh   2 KB | 1,379 downloads
  • #63
  • May 21, 2015 11:41am May 21, 2015 11:41am
Quoting ytrader07
So in the end, after a few more hours of experimenting with sangmane's original code, I managed to create two new include files, that work with modern builds of MT4 (i.e. 600+, my build being 765). I attach these below, for anybody else that may be having trouble implementing Named Pipes into their code. The client acts as a message sender, where as the server can create, read messages from, and delete the named pipe itself. EDIT 21.05.15: Updated Cllient. Regards, ytrader07 {file} {file}
Awesome!!
  • #64
  • May 21, 2015 2:04pm May 21, 2015 2:04pm
Thanks again for your code examples, sangmane!
  • #65
  • Jun 7, 2015 10:14pm Jun 7, 2015 10:14pm
Hello can I ask if it is possible read file which is continuously updated by using Named Pipes in MT4 builds 600+ ? I like sangmane idea, sending messages from excel to MT4 trought Named Pipe, it is so close to what I am looking for. Have somebody looking for the solution of this problem? Can pipes work like that? Please reply, thanks a lot.

Problem describing: I have got .ini file in directory C: (outside of MT4 directories).File is continously updated with actual price and I need to read it in real time by MT4 and make trading decisions?
  • #66
  • Jun 11, 2015 5:51am Jun 11, 2015 5:51am
Quoting davinci12
Hello can I ask if it is possible read file which is continuously updated by using Named Pipes in MT4 builds 600+ ? I like sangmane idea, sending messages from excel to MT4 trought Named Pipe, it is so close to what I am looking for. Have somebody looking for the solution of this problem? Can pipes work like that? Please reply, thanks a lot. Problem describing: I have got .ini file in directory C: (outside of MT4 directories).File is continously updated with actual price and I need to read it in real time by MT4 and make trading decisions?
Hi Davinci12,

I am not 100% sure that this is what you are looking for, but have a play with the attached library, should do the trick! Just remember, you must close the file you are reading, after each time MT4 has looked at it! (This does not use named pipes, however allows MT4 to work with files located outside of its native directory, using WinAPI).

Regards,
ytrader07
Attached File(s)
File Type: mqh winfile_v600.mqh   20 KB | 825 downloads
  • #67
  • Jul 30, 2015 2:07am Jul 30, 2015 2:07am
Quoting ytrader07
So in the end, after a few more hours of experimenting with sangmane's original code, I managed to create two new include files, that work with modern builds of MT4 (i.e. 600+, my build being 765). I attach these below, for anybody else that may be having trouble implementing Named Pipes into their code. The client acts as a message sender, where as the server can create, read messages from, and delete the named pipe itself. EDIT 21.05.15: Updated Cllient. Regards, ytrader07 {file} {file}
Hi ytrader07,
Ive downloaded and installed your include files. But I'm new to named pipes and I really don't now what should happen. When I open the MetaTrader, of course, nothing happens. But do I have to install the previous scripts of sangmane to create, write and read a pipe? I'm also using Mac. Is it possible to create a Pipe on OSX Wine?
Thanks for your reply
TimeRider
  • #68
  • Edited 12:50pm Aug 21, 2015 4:13am | Edited 12:50pm
Quoting ytrader07
So in the end, after a few more hours of experimenting with sangmane's original code, I managed to create two new include files, that work with modern builds of MT4 (i.e. 600+, my build being 765). I attach these below, for anybody else that may be having trouble implementing Named Pipes into their code. The client acts as a message sender, where as the server can create, read messages from, and delete the named pipe itself. EDIT 21.05.15: Updated Cllient. Regards, ytrader07 {file} {file}
Hi ytrader07,

Can you modify these files : ExampleNamedPipeServerEA.mq4 and ExampleNamedPipeSenderScript.mq4 (for working with the two new include files).

Thanks in advance for your help
  • #69
  • Aug 21, 2015 9:24am Aug 21, 2015 9:24am
Hello everyone. Until now I was trading only with webtrader platform. I started to trade with mt4 and I have a few surprise. I found that you can't modify more then one trade in the same time, the trailing stop enables only after you are in profit... I would like to ask you, if it's possible to enable trailing stop like a stop loss? I would like to use trailing stop and close my trade when it goes against me. Also there is any way to set a stop loss by pips? Thank you in advance.
  • #70
  • Oct 20, 2016 1:45pm Oct 20, 2016 1:45pm
brothers i am not software engineer but please send me the ddl file to transfer data from mt4 to excel and the order from excel to mt4 please help me i am working on that last 3 years but there is no one to help me about this
  • #71
  • Dec 15, 2021 12:39am Dec 15, 2021 12:39am
Does anyone still have sangmane's pipeclient.xls?
The link seems to no longer work
  • #72
  • Last Post: Edited Oct 22, 2022 7:08am Oct 21, 2022 7:45pm | Edited Oct 22, 2022 7:08am
Hi all,
Does anyone have the PipeServer from @sangmane or ytrader07 working fine with Excel?

The PipeServer, from sangmane, while trying to run, add it to the chart, I got "CreateNamedPipe failed"

and the NamedPipeServer and NamedPipeClient I can get added to the chart but I did not get any communication between them.

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I was able to get it working using the PipeServer_Ansi code
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