Well, another question!
Is the program you want to monitor (running/ not running) has a window?
A window means it's a visable program and it's window is shown not a system tray or a hidden program.

Why i'm asking? Because if the program has a window it will be easier to find and if it hidden it will be PC resource consuming to make this dll!

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Coders' Guru
Senior MQL programmer:
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It would be visible. Although it could be minimized, is that a problem? But isn't it possible to check somehow the windowhandle I get from the shell? If it gives these resource problems, I could just before the end of the program save a file with a special name and let MT4 check whether that file exists.

BTW: another question, totally unrelated. If I notice during the init() that something is wrong with the inputs, is there a possibility to break off the indicator/EA, so that it doesn't load? Or unload itsself? A special returnvalue different from 0? Or should I call deinit()?

Many Thanks to Coder's Guru for all his great work; i am not able to download this library , could anybody please be so kind in provide me with the apppropiate link?.

Thanks a Lot

I'm trying to find the library mentioned in this post. Where can I get it?

Hi,

I found this script which make possible to run external application from mql4.
There in no problem to run notepad but when I want to run my own application which is written in visual basic i can't.
Can you help me?


//+------------------------------------------------------------------+
//| ShellExecuteTest.mq4 |
//| Copyright © 2006, MetaQuotes Software Corp. |
//| Forex Trading Software: Forex Trading Platform MetaTrader 4 |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net"

/* ShellExecute defined in MSDN as
HINSTANCE ShellExecute(HWND hwnd, LPCTSTR lpVerb,LPCTSTR lpFile, LPCTSTR lpParameters, LPCTSTR lpDirectory,INT nShowCmd);

Look Welcome to the MSDN Library
for detailed information.*/

//---- let's define nShowCmd values
#define SW_HIDE 0
#define SW_SHOWNORMAL 1
#define SW_NORMAL 1
#define SW_SHOWMINIMIZED 2
#define SW_SHOWMAXIMIZED 3
#define SW_MAXIMIZE 3
#define SW_SHOWNOACTIVATE 4
#define SW_SHOW 5
#define SW_MINIMIZE 6
#define SW_SHOWMINNOACTIVE 7
#define SW_SHOWNA 8
#define SW_RESTORE 9
#define SW_SHOWDEFAULT 10
#define SW_FORCEMINIMIZE 11
#define SW_MAX 11

//---- we need to define import of SHELL32 DLL
#import "shell32.dll"
//---- defining ShellExecute
/* Normally we should define ShellExecute like this:
int ShellExecuteA(int hWnd,string lpVerb,string lpFile,string lpParameters,string lpDirectory,int nCmdShow);

But, we need to keep lpVerb,lpParameters and lpDirectory as NULL pointer to this function*/
//---- So we need to define it as (look: "string" parameters defined as "int" to keep them NULL):
int ShellExecuteA(int hWnd,int lpVerb,string lpFile,int lpParameters,int lpDirectory,int nCmdShow);
//---- we need to close import definition here
#import
//+------------------------------------------------------------------+
//| script program start function |
//+------------------------------------------------------------------+
int start()
{
//---- let's do it!
string open;
ShellExecuteA(0,open,"notepad.exe",0,0,SW_SHOWNA);

//----
return(0);
}
//+------------------------------------------------------------------+

thankz dan info masta...
please check your PM masta...
i have one request to develop 1 indicator..

thankz masta

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Technical Trader
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Do anyone have any Program/Indicator/Expert Management tools?

A program that reads the directory and creates a text file of the file names and dates modified would be a nice start.