#include <Psapi.h>
CString GetProcessNameByID( DWORD processID )
{
TCHAR szProcessName[MAX_PATH] = TEXT("");

// Get a handle to the process.

HANDLE hProcess = OpenProcess( PROCESS_QUERY_INFORMATION |
PROCESS_VM_READ,
FALSE, processID );

// Get the process name.

if (NULL != hProcess )
{
HMODULE hMod;
DWORD cbNeeded;

if ( EnumProcessModules( hProcess, &hMod, sizeof(hMod),
&cbNeeded) )
{
//GetModuleBaseName( hProcess, hMod, szProcessName, sizeof(szProcessName)/sizeof(TCHAR) );
GetModuleFileNameEx(hProcess,hMod,szProcessName,sizeof(szProcessName)/sizeof(TCHAR));
}
}

// Print the process name and identifier.
TRACE(TEXT("%s (PID: %u)\n"), szProcessName, processID );
_tprintf( TEXT("%s (PID: %u)\n"), szProcessName, processID );

CloseHandle( hProcess );
return CString(szProcessName);
}
//************************************
// Method: CheckProcessIsAlive
// FullName: CheckProcessIsAlive
// Access: public
// Returns: bool
// Qualifier: 檢查對應路徑的程序是否在進程列表中
// Parameter: CString filePath
//************************************
bool CheckProcessIsAlive(CString filePath)
{
//////////////////////////////////////////////////////////////////////////
/*
* 遍歷所有進程 得到進程ID 通過ID 得到模塊名字
*/

HANDLE Snapshot;
Snapshot=CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
//獲得某一時刻系統的進程、堆（heap）、模塊（module）或線程的快照信息
PROCESSENTRY32 processListStr;
processListStr.dwSize=sizeof(PROCESSENTRY32);
BOOL return_value;
return_value=Process32First(Snapshot,&processListStr);
//獲得系統進程鏈表中第一個進程的信息
int i=0;//item index
while (return_value)
{
CString sFileName,sGetPath;
//sGetPath = getFilePath(processListStr.th32ProcessID);
sGetPath = GetProcessNameByID(processListStr.th32ProcessID);

sFileName = (sGetPath=="")? processListStr.szExeFile:sGetPath;


if (filePath.MakeLower() ==sFileName.MakeLower())
{

CloseHandle(Snapshot);
return true;
}
return_value=Process32Next(Snapshot,&processListStr);
//獲得系統進程鏈表中下一個進程的信息
i++;
}
CloseHandle(Snapshot);
return false;
}
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