获取进程信息失败

[黑手黑心]

void CGameModifyDlg::OnBnClickedButtonSearchprocess()
{
// TODO: 在此添加控件通知处理程序代码
PROCESSENTRY32 m_PSvaule;
m_PSvaule.dwSize=sizeof(PROCESSENTRY32);
TCHAR FilePath[MAX_PATH];
HANDLE OpenProcessHandle;
CString sVaule;
int i=0;
m_process=::CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
do
{
if (TRUE==::Process32First(m_process,&m_PSvaule))
{
//进程名称
sVaule=m_PSvaule.szExeFile;
m_ClistCtrl_Process.InsertItem(i,sVaule,1);
//进程ID
sVaule.Format(_T("%d"),m_PSvaule.th32ProcessID );
m_ClistCtrl_Process.SetItemText(i,2,sVaule);
//进程路径
OpenProcessHandle=OpenProcess(PROCESS_VM_READ|PROCESS_SET_INFORMATION,FALSE,m_PSvaule.th32ProcessID);
if (OpenProcessHandle!=NULL)
{
GetModuleFileNameEx(OpenProcessHandle,NULL,FilePath,sizeof(FilePath));
m_ClistCtrl_Process.SetItemText(i,1,FilePath);
}
else
{
continue;
}

}
else
{
MessageBox(_T("进程打开失败"));
}
i++;


} while (TRUE==Process32Next(m_process,&m_PSvaule));
}

[JiMoKuangXiangQu]

可能的原因不少，可以调用下 GetLastError() 看能否找到有价值的线索。

[赵4老师]

bool AdjustPrivileges() {
    HANDLE hToken;
    TOKEN_PRIVILEGES tp;
    TOKEN_PRIVILEGES oldtp;
    DWORD dwSize=sizeof(TOKEN_PRIVILEGES);
    LUID luid;

    if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken)) {
        if (GetLastError()==ERROR_CALL_NOT_IMPLEMENTED) return true;
        else return false;
    }
    if (!LookupPrivilegeValue(NULL, SE_DEBUG_NAME, &luid)) {
        CloseHandle(hToken);
        return false;
    }
    ZeroMemory(&tp, sizeof(tp));
    tp.PrivilegeCount=1;
    tp.Privileges[0].Luid=luid;
    tp.Privileges[0].Attributes=SE_PRIVILEGE_ENABLED;
    /* Adjust Token Privileges */
    if (!AdjustTokenPrivileges(hToken, FALSE, &tp, sizeof(TOKEN_PRIVILEGES), &oldtp, &dwSize)) {
        CloseHandle(hToken);
        return false;
    }
    // close handles
    CloseHandle(hToken);
    return true;
}