The RasGetCountryInfo function retrieves country-specific dialing information from the Windows Telephony list of countries.
For more information about country-specific dialing information and TAPI country identifiers, see the Win32 Telephony (TAPI) Programmer’s Reference.
DWORD RasGetCountryInfo(
LPRASCTRYINFO lpRasCtryInfo, |
// buffer that receives country information |
LPDWORD lpdwSize |
// size, in bytes, of the buffer |
); |
The size of the buffer should be at least 256 bytes.
If the function succeeds, the return value is zero.
If the function fails, the return value can be one of the following error codes.
Value |
Meaning |
ERROR_INVALID_USER_BUFFER |
The address or buffer specified by lpRasCtryInfo is invalid. |
ERROR_INVALID_PARAMETER |
The dwCountryId member of the structure pointed to by lpRasCtryInfo was not a valid value. |
ERROR_BUFFER_TOO_SMALL |
The size of the lpRasCtryInfo buffer specified by the lpdwSize parameter was not large enough to store the information for the country identified by the dwCountryId member. The function returns the required buffer size in the variable pointed to by lpdwSize. |
ERROR_TAPI_CONFIGURATION |
TAPI subsystem information was corrupted. |
To enumerate information for all countries in the Windows Telephony list, set the dwCountryId member of the RASCTRYINFO structure to 1 in the initial RasGetCountryInfo call. This causes the function to return information for the first country in the list. The value returned in the dwNextCountryId member is the country identifier of the next country in the list. Use this value in repeated calls to RasGetCountryInfo until dwNextCountryID returns zero, indicating the last country in the list.
file: /Techref/os/win/api/win32/func/src/f70_14.htm, 4KB, , updated: 2000/4/7 11:19, local time: 2024/11/23 22:48,
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