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ssaccount
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 Posted: Sun Aug 10, 2008 9:13 am Post subject: [C++ Question] Detecting Process |
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Hi. Im using Win32 Console and my problem is that I dont know how to make my program detect a process.
Example:
When the program is running and I open Notepad I want it to detect notepad.exe and if the program detects it, it writes "Notepad.exe found".
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GMZorita
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lurc
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| Posted: Sun Aug 10, 2008 9:37 am Post subject: |
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That detects a window 
He wants to detect the process itself.
CreateToolhelp32Snapshot (TH32CS_SNAPPROCESS flag)
Process32First
Process32Next
_tcscmp (for process name check)
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oib111
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| Posted: Sun Aug 10, 2008 11:17 am Post subject: |
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_tcscmp only works if he's using Unicode. Otherwise he should use strcmp.
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Jani
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| Posted: Sun Aug 10, 2008 11:25 am Post subject: |
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| oib111 wrote: | | _tcscmp only works if he's using Unicode. Otherwise he should use strcmp. |
Isn't wcscmp the unicode one? Tcscmp is the one choosing the right one between ansi and unicode..?
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atom0s
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| Posted: Sun Aug 10, 2008 12:23 pm Post subject: |
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_tcscmp is the TCHAR macro which will choose the correct function as needed based on compiler options.
Also, you should use _tcsicmp to perform a lowercase compare.
Example:
| Code: | #include <windows.h>
#include <iostream>
#include <tlhelp32.h>
#include <tchar.h>
#include <stdio.h>
BOOL FoundNotepad()
{
PROCESSENTRY32 pe32 = { sizeof( PROCESSENTRY32 ) };
HANDLE hSnapshot = CreateToolhelp32Snapshot( TH32CS_SNAPPROCESS, 0 );
if( hSnapshot == INVALID_HANDLE_VALUE )
return FALSE;
if( Process32First( hSnapshot, &pe32 ) )
{
do{
if( _tcsicmp( pe32.szExeFile, _T("notepad.exe") ) == 0 )
{
CloseHandle( hSnapshot );
return TRUE;
}
}while( Process32Next( hSnapshot, &pe32 ) );
}
CloseHandle( hSnapshot );
return FALSE;
}
int main()
{
_tprintf_s( _T("Scanning for notepad... ") );
while( !FoundNotepad() )
{
// Keep scanning until found...
Sleep( 100 );
}
_tprintf_s( _T("Found!") );
std::cin.sync();
std::cin.ignore();
return 0;
} |
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ssaccount
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| Posted: Sun Aug 10, 2008 8:36 pm Post subject: |
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Thanks for help 
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Jani
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| Posted: Mon Aug 11, 2008 2:43 am Post subject: |
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| Wiccaan wrote: | | _tcscmp is the TCHAR macro which will choose the correct function as needed based on compiler options. |
Exactly what I meant :)
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