实现代码

#include <stdio.h>

#include <windows.h>

#include <tlhelp32.h>

#include <string>

#include <tchar.h>

#include <Psapi.h>

#pragma comment (lib,"Psapi.lib")

BOOL DosPathToNtPath(LPTSTR pszDosPath, LPTSTR pszNtPath)

{

    TCHAR            szDriveStr[500];

    TCHAR            szDrive[3];

    TCHAR            szDevName[100];

    INT                cchDevName;

    INT                i;

    //检查参数

    if(!pszDosPath || !pszNtPath )

        return FALSE;

    //获取本地磁盘字符串

    if(GetLogicalDriveStrings(sizeof(szDriveStr), szDriveStr))

    {

        for(i = 0; szDriveStr[i]; i += 4)

        {

            if(!lstrcmpi(&(szDriveStr[i]), _T("A:\\")) || !lstrcmpi(&(szDriveStr[i]), _T("B:\\")))

                continue;

            szDrive[0] = szDriveStr[i];

            szDrive[1] = szDriveStr[i + 1];

            szDrive[2] = '\0';

            if(!QueryDosDevice(szDrive, szDevName, 100))//查询 Dos 设备名

                return FALSE;

            cchDevName = lstrlen(szDevName);

            if(_tcsnicmp(pszDosPath, szDevName, cchDevName) == 0)//命中

            {

                lstrcpy(pszNtPath, szDrive);//复制驱动器

                lstrcat(pszNtPath, pszDosPath + cchDevName);//复制路径

                return TRUE;

            }

        }

    }

    lstrcpy(pszNtPath, pszDosPath);

    return FALSE;

}

//获取进程完整路径

BOOL GetProcessFullPath(DWORD dwPID, TCHAR pszFullPath[MAX_PATH])

{

    TCHAR        szImagePath[MAX_PATH];

    HANDLE        hProcess;

    if(!pszFullPath)

        return FALSE;

    pszFullPath[0] = '\0';

    hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, 0, dwPID);

    if(!hProcess)

        return FALSE;

    if(!GetProcessImageFileName(hProcess, szImagePath, MAX_PATH))

    {

        CloseHandle(hProcess);

        return FALSE;

    }

    if(!DosPathToNtPath(szImagePath, pszFullPath))

    {

        CloseHandle(hProcess);

        return FALSE;

    }

    CloseHandle(hProcess);

    _tprintf(_T("%d,%s \r\n"),dwPID,pszFullPath);

    return TRUE;

}

int main(int argc, char* argv[])

{

    HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);

    if (INVALID_HANDLE_VALUE == hSnapshot)

    {

        return NULL;

    }

    PROCESSENTRY32 pe ={0};

    pe.dwSize = sizeof(PROCESSENTRY32); 

    BOOL fOk;

    for (fOk = Process32First(hSnapshot, &pe); fOk; fOk = Process32Next(hSnapshot, &pe))

    {

        TCHAR szProcessName[MAX_PATH] = {0};

        GetProcessFullPath(pe.th32ProcessID, szProcessName);

    }

    return 0;

}

截图

参考

https://bbs.csdn.net/topics/390937481