Windows Development

Samir Ibrahim wrote:

If you bind a control (textbox) to datasource (access or mssql) to field ID (AutoNumber) and you want to add new record, the textbox will display -1 (you have more coding to prevent it)

Bastard Programmer from Hell
"If you just follow the bacon Eddy, wherever it leads you, then you won't have to think about politics." -- Some Bell.

Samir Ibrahim wrote:

you have more coding to prevent it

#pragma comment(lib, "Secur32.lib")
#pragma comment(lib, "Advapi32.lib")

#include <iostream>
#include <windows.h>
#include <ntsecapi.h>
#include <sddl.h>

BOOL RegGetInternationaliations(const PSID p, const wchar_t name[], wchar_t *pOut, DWORD out_len)
{
    LPWSTR szSid = nullptr;
    BOOL bRet = FALSE;
    if (ConvertSidToStringSidW(p, &szSid))
    {
        HKEY k;
        constexpr DWORD size = 256;
        WCHAR buffer[size];
        wsprintf(buffer, L"%s\\Control Panel\\International", szSid);

        LSTATUS status = RegOpenKeyW(HKEY_USERS, buffer, &k);
        if (ERROR_SUCCESS == status)
        {
            status = RegGetValueW(k, NULL, name, RRF_RT_REG_SZ | RRF_ZEROONFAILURE, 0, pOut, &out_len);
            bRet = (ERROR_SUCCESS == status);

            RegCloseKey(k);
        }

        LocalFree(szSid);
    }

    return bRet;
}

INT main()
{
    DWORD lc = 0;
    DWORD status = 0;
    PLUID list = nullptr;

    LsaEnumerateLogonSessions(&lc, &list);
    for (DWORD i = 0; i < lc; i++)
    {
        PSECURITY_LOGON_SESSION_DATA pData;

        status = LsaGetLogonSessionData((PLUID)((INT_PTR)list + sizeof(LUID) * i), &pData);
        if (0 == status)
        {
            if (Interactive == pData->LogonType && (pData->UserFlags & LOGON_WINLOGON))
            {
                constexpr DWORD s = 256;
                WCHAR buffer[s];

                if (RegGetInternationaliations(pData->Sid, L"Locale", buffer, s))
                {
                    wprintf(L"Locale: %s\n", buffer);
                }
            }

            LsaFreeReturnBuffer(pData);
        }
    }
}

if (Interactive == pData->LogonType && (pData->UserFlags & LOGON_WINLOGON))

BOOL RegGetPreferredUILanguages(const PSID p, std::vector<std::wstring>& out_vector)
{
    LPWSTR szSid = nullptr;
    BOOL bRet = FALSE;
    if (ConvertSidToStringSidW(p, &szSid))
    {
        HKEY k;
        constexpr DWORD size = 256;
        WCHAR buffer[size];
        wsprintf(buffer, L"%s\\Control Panel\\Desktop", szSid);

        LSTATUS status = RegOpenKeyW(HKEY_USERS, buffer, &k);
        if (ERROR_SUCCESS == status)
        {
            DWORD dwNeeded = 0;
            std::vector<WCHAR> multi_sz;

            RegGetValue(k, nullptr, L"PreferredUILanguages", RRF_RT_REG_MULTI_SZ, nullptr, nullptr, &dwNeeded);
            multi_sz.resize(dwNeeded / sizeof(WCHAR));

            if (ERROR_SUCCESS == RegGetValue(k, nullptr, L"PreferredUILanguages", RRF_RT_REG_MULTI_SZ | RRF_ZEROONFAILURE, nullptr, &multi_sz[0], &dwNeeded))
            {
                std::wistringstream ss(std::wstring(multi_sz.begin(), multi_sz.end()));

                std::wstring lang;
                while (std::getline(ss, lang, L'\0'))
                {
                    if(lang.length())
                        out_vector.push_back(lang);
                }

                bRet = TRUE;
            }

            RegCloseKey(k);
        }

        LocalFree(szSid);
    }

    return bRet;
}

std::vector<std::wstring> langs;
RegGetPreferredUILanguages(pData->Sid, langs);
UINT index = 1;
for (auto lang : langs)
{
    wprintf(L"User Preferred UI Language at index %u is: %s \n", index++, lang.c_str());
}

constexpr DWORD s = 256;
WCHAR buffer[s] = {0};
WCHAR name[LOCALE_NAME_MAX_LENGTH] = {0};
if (RegGetInternationaliations(pData->Sid, L"Locale", buffer, s))
{
    wprintf(L"Default User Hex locale: %s\n", buffer);
    DWORD id = wcstol(buffer, NULL, 16);
    wprintf(L"Default User Dec locale: %u\n", id);

    LCIDToLocaleName(id, name, LOCALE_NAME_MAX_LENGTH, LOCALE_ALLOW_NEUTRAL_NAMES);
    wprintf(L"Default User Locale Name: %s\n", name);
}

Victor Nijegorodov wrote:

BTW, what do you mean by "... from within a .bat-file."?

@echo off

set "workdir=C:\MyProject\bin\release"
set "workdir=%workdir:\=\\%"

setlocal enableDelayedExpansion
for /f "usebackq tokens=* delims=" %%a in (`
    wmic process  where 'CommandLine like "%%!workdir!%%" and not CommandLine like "%%RuntimeBroker%%"'   get CommandLine^,ProcessId  /format:value
`) do (
    for /f "tokens=* delims=" %%G in ("%%a")  do (
        if "%%G" neq "" (
rem            echo %%G
            set "%%G"
rem            echo !ProcessId!
            goto :TheApplicationIsRunning
        )
    )
) 

echo The application is not running
exit /B

:TheApplicationIsRunning
echo The application is running
exit /B