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Any DLL gurus here?

  • #1
  • First Post: Nov 11, 2013 8:32am Nov 11, 2013 8:32am
I wrote a DLL for MT4. It does not work for any PC except the PC I compiled DLL. Its error say ' can't load DLL, Error 126". Please advice.
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  • #2
  • Nov 11, 2013 8:42am Nov 11, 2013 8:42am
Quoting xlitang
I wrote a DLL for MT4. It does not work for any PC except the PC I compiled DLL. Its error say ' can't load DLL, Error 126". Please advice.
most likely issue is that some of the resources that it needs may not be available or shared on the other computers or the pathways are wrong. just google dll error 126 there are plenty of things to investigate
  • #3
  • Nov 11, 2013 8:46am Nov 11, 2013 8:46am
Quoting MaxDoom
{quote} most likely issue is that some of the resources that it needs may not be available or shared on the other computers or the pathways are wrong. just google dll error 126 there are plenty of things to investigate
Thanks, Max,

Do you want to test my EA?
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  • #4
  • Nov 11, 2013 11:50am Nov 11, 2013 11:50am
Quoting xlitang
{quote} Thanks, Max, Do you want to test my EA?
well always interested in understanding what concepts people use in their systems, so would be keen to read a post or message that outlined that.

as for testing it, I would prefer to read the concept first

regards
  • #5
  • Nov 12, 2013 11:31am Nov 12, 2013 11:31am
Quoting MaxDoom
{quote} well always interested in understanding what concepts people use in their systems, so would be keen to read a post or message that outlined that. as for testing it, I would prefer to read the concept first regards
I use my own indicator to detect trend change in 5TF. If I am wrong I double the lot size. Starting lot from 0.01, I only need tiny retrace to close my grid.
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  • #6
  • Nov 12, 2013 12:35pm Nov 12, 2013 12:35pm
Quoting xlitang
I wrote a DLL for MT4. It does not work for any PC except the PC I compiled DLL. Its error say ' can't load DLL, Error 126". Please advice.
Did you build the dll for debug or release?

If you built for debug it may be depending on debug versions of Windows redistrubables that are only on your build PC.
You are in a maze of twisty little passages, all alike.
  • #7
  • Nov 12, 2013 12:43pm Nov 12, 2013 12:43pm
Quoting stevegee58
{quote} Did you build the dll for debug or release? If you built for debug it may be depending on debug versions of Windows redistrubables that are only on your build PC.
Thanks, That might be the case. When I click on build solution and VS generate the DLL in a folder something like debug. How do I build it for release in Visual Studio?
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  • #8
  • Nov 12, 2013 12:56pm Nov 12, 2013 12:56pm
I build my dlls with msvc 2012 (express), so, there has to be the msvc 2012 redistributable package on the machine.


You change the configuration (debug/release) in the standard toolbar..
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  • #9
  • Nov 12, 2013 1:01pm Nov 12, 2013 1:01pm
Quoting rockit
I build my dlls with msvc 2012 (express), so, there has to be the msvc 2012 redistributable package on the machine. You change the configuration (debug/release) in the standard toolbar..
Thanks. If I send dll to other people so I have to ask them to install msvc 2012 redistributable package on their PCs?
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  • #10
  • Nov 12, 2013 1:09pm Nov 12, 2013 1:09pm
Quoting xlitang
{quote} Thanks. If I send dll to other people so I have to ask them to install msvc 2012 redistributable package on their PCs?
Once I had this problem because I have re-installed my system and did not re-install msvc, so, when I tried to access my dll mt4 complained that it cannot access the dll functions; after installing the redist package all worked fine. So, possibly.
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  • #11
  • Nov 12, 2013 1:28pm Nov 12, 2013 1:28pm
Also, by default it will build for a particular win version. Check the file "targetver.h" (in the project's directory) for more info.
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  • #12
  • Nov 16, 2013 10:12pm Nov 16, 2013 10:12pm
Any one know date function in c++ to get date, month and year? Say I want to know what date is today? Does C++ have a date function?
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  • #13
  • Nov 17, 2013 5:59am Nov 17, 2013 5:59am
The intermediate result in "timeinfo" contains the raw hour/minute/second month/day/year values in a struct

Inserted Code
[highlight]/* asctime example */
#include <stdio.h>      /* printf */
#include <time.h>       /* time_t, struct tm, time, localtime, asctime */

int main ()
{
  time_t rawtime;
  struct tm * timeinfo;

  time ( &rawtime );
  timeinfo = localtime ( &rawtime );
  printf ( "The current date/time is: %s", asctime (timeinfo) );

  return 0;
}[/highlight]
You are in a maze of twisty little passages, all alike.
  • #14
  • Nov 17, 2013 8:37am Nov 17, 2013 8:37am
Quoting stevegee58
The intermediate result in "timeinfo" contains the raw hour/minute/second month/day/year values in a struct /* asctime example */ #include <stdio.h> /* printf */ #include <time.h> /* time_t, struct tm, time, localtime, asctime */ int main () { time_t rawtime; struct tm * timeinfo; time ( &rawtime ); timeinfo = localtime ( &rawtime ); printf ( "The current date/time is: %s", asctime (timeinfo) ); return 0; }
Thank you very much Steve.

How can I compare current date to specified date? Like below

if(current date > 1/30/2014) doing something
else
do something else
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  • #15
  • Nov 17, 2013 11:14am Nov 17, 2013 11:14am
Quoting xlitang
{quote} Thank you very much Steve. How can I compare current date to specified date? Like below if(current date > 1/30/2014) doing something else do something else

Try StrToDate();
  • #16
  • Nov 17, 2013 9:34pm Nov 17, 2013 9:34pm
Quoting xlitang
{quote} How can I compare current date to specified date? Like below if(current date > 1/30/2014) doing something else do something else
if(TimeCurrent() > D'2014.01.30 00:00')
MT4/MT5 EAs/Indicators/Alerts coder
  • #17
  • Nov 17, 2013 10:18pm Nov 17, 2013 10:18pm
Quoting FerruFx
{quote} if(TimeCurrent() > D'2014.01.30 00:00')
Thanks. I mean in C++.
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  • #18
  • Nov 17, 2013 10:20pm Nov 17, 2013 10:20pm
Quoting xlitang
{quote} Thanks. I mean in C++.
I missed that info !!!
MT4/MT5 EAs/Indicators/Alerts coder
  • #19
  • Last Post: Nov 18, 2013 3:20am Nov 18, 2013 3:20am
Quoting xlitang
{quote} Thank you very much Steve. How can I compare current date to specified date? Like below if(current date > 1/30/2014) doing something else do something else
Take a look at ctime (time.h) and its functions:

http://www.cplusplus.com/reference/ctime/


Consulting reference on the standard c libraries should be first thing to do!
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