実行中のプロセスの全リストを取得する (Visual C++) 質問する

この回答に付け加えると、これは、リスト全体ではなく、特定のプロセスだけを探している場合のために構築したものです。

bool FindRunningProcess(AnsiString process) {
/*
Function takes in a string value for the process it is looking for like ST3Monitor.exe
then loops through all of the processes that are currently running on windows.
If the process is found it is running, therefore the function returns true.
*/
    AnsiString compare;
    bool procRunning = false;

    HANDLE hProcessSnap;
    PROCESSENTRY32 pe32;
    hProcessSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);

    if (hProcessSnap == INVALID_HANDLE_VALUE) {
        procRunning = false;
    } else {
        pe32.dwSize = sizeof(PROCESSENTRY32);
        if (Process32First(hProcessSnap, &pe32)) { // Gets first running process
            if (pe32.szExeFile == process) {
                procRunning = true;
            } else {
                // loop through all running processes looking for process
                while (Process32Next(hProcessSnap, &pe32)) { 
                    // Set to an AnsiString instead of Char[] to make compare easier
                    compare = pe32.szExeFile;
                    if (compare == process) {
                        // if found process is running, set to true and break from loop
                        procRunning = true;
                        break;
                    }
                }
            }
            // clean the snapshot object
            CloseHandle(hProcessSnap);
        }
    }

    return procRunning;
}