This function will return the language of the device in two letters format "en", "fr" etc.
#include <windows.h>
std::string platformGetDeviceLanguage()
{
ULONG numLanguages = 0;
DWORD cchLanguagesBuffer = 0;
BOOL hr = GetUserPreferredUILanguages(MUI_LANGUAGE_NAME, &numLanguages, NULL, &cchLanguagesBuffer);
if (hr)
{
WCHAR* pwszLanguagesBuffer = new WCHAR[cchLanguagesBuffer];
std::string lang_code = "en";
hr = GetUserPreferredUILanguages(MUI_LANGUAGE_NAME, &numLanguages, pwszLanguagesBuffer, &cchLanguagesBuffer);
if (hr)
{
lang_code[0] = pwszLanguagesBuffer[0];
lang_code[1] = pwszLanguagesBuffer[1];
}
delete[] pwszLanguagesBuffer;
return lang_code;
}
return "en";
}