private CallingLocation ReadLocationEntry(LINETRANSLATECAPS lcl, byte[] rawBuffer, int pos)
{
var lce = new LINELOCATIONENTRY();
int size = Marshal.SizeOf(lce);
pos = lcl.dwLocationListOffset + (pos * size);
IntPtr pLce = Marshal.AllocHGlobal(size);
Marshal.Copy(rawBuffer, pos, pLce, size);
Marshal.PtrToStructure(pLce, lce);
Marshal.FreeHGlobal(pLce);
// Locate the country
Country locCountry = _countries.FirstOrDefault(country => country.Id == lce.dwCountryID);
// Locate the default calling card (if any)
CallingCard card = null;
if (lce.dwPreferredCardID < _cards.Count)
{
card = _cards[lce.dwPreferredCardID];
}
return(new CallingLocation(lce.dwPermanentLocationID, card,
NativeMethods.GetString(rawBuffer, lce.dwLocationNameOffset, lce.dwLocationNameSize, NativeMethods.STRINGFORMAT_UNICODE), locCountry,
NativeMethods.GetString(rawBuffer, lce.dwCityCodeOffset, lce.dwCityCodeSize, NativeMethods.STRINGFORMAT_UNICODE),
NativeMethods.GetString(rawBuffer, lce.dwLocalAccessCodeOffset, lce.dwLocalAccessCodeSize, NativeMethods.STRINGFORMAT_UNICODE),
NativeMethods.GetString(rawBuffer, lce.dwLongDistanceAccessCodeOffset, lce.dwLongDistanceAccessCodeSize, NativeMethods.STRINGFORMAT_UNICODE),
NativeMethods.GetString(rawBuffer, lce.dwTollPrefixListOffset, lce.dwTollPrefixListSize, NativeMethods.STRINGFORMAT_UNICODE),
NativeMethods.GetString(rawBuffer, lce.dwCancelCallWaitingOffset, lce.dwCancelCallWaitingSize, NativeMethods.STRINGFORMAT_UNICODE), lce.dwOptions));
}
private void ReadCallingLocations()
{
var ltc = new LINETRANSLATECAPS();
int rc, neededSize = 4092;
do
{
ltc.dwTotalSize = neededSize;
IntPtr pLtc = Marshal.AllocHGlobal(neededSize);
Marshal.StructureToPtr(ltc, pLtc, true);
rc = NativeMethods.lineGetTranslateCaps(_mgr.LineHandle, (int)TapiVersion.V21, pLtc);
Marshal.PtrToStructure(pLtc, ltc);
if (ltc.dwNeededSize > neededSize)
{
neededSize = ltc.dwNeededSize;
rc = NativeMethods.LINEERR_STRUCTURETOOSMALL;
}
else if (rc == NativeMethods.LINEERR_OK)
{
var rawBuffer = new byte[ltc.dwUsedSize];
Marshal.Copy(pLtc, rawBuffer, 0, ltc.dwUsedSize);
for (int i = 0; i < ltc.dwNumCards; i++)
{
_cards.Add(ReadCallingCard(ltc, rawBuffer, i));
}
for (int i = 0; i < ltc.dwNumLocations; i++)
{
_clocations.Add(ReadLocationEntry(ltc, rawBuffer, i));
}
}
Marshal.FreeHGlobal(pLtc);
}while (rc == NativeMethods.LINEERR_STRUCTURETOOSMALL);
// Assign the current country
for (int index = 0; index < _clocations.Count; index++)
{
var location = _clocations[index];
if (ltc.dwCurrentLocationID == location.Id)
{
_currLocation = location;
break;
}
}
}
private static CallingCard ReadCallingCard(LINETRANSLATECAPS lcl, byte[] rawBuffer, int pos)
{
var lce = new LINECARDENTRY();
int size = Marshal.SizeOf(lce);
pos = lcl.dwCardListOffset + (pos * size);
IntPtr pLce = Marshal.AllocHGlobal(size);
Marshal.Copy(rawBuffer, pos, pLce, size);
Marshal.PtrToStructure(pLce, lce);
Marshal.FreeHGlobal(pLce);
return(new CallingCard(lce.dwPermanentCardID,
NativeMethods.GetString(rawBuffer, lce.dwCardNameOffset, lce.dwCardNameSize, NativeMethods.STRINGFORMAT_UNICODE), lce.dwCardNumberDigits,
NativeMethods.GetString(rawBuffer, lce.dwSameAreaRuleOffset, lce.dwSameAreaRuleSize, NativeMethods.STRINGFORMAT_UNICODE),
NativeMethods.GetString(rawBuffer, lce.dwLongDistanceRuleOffset, lce.dwLongDistanceRuleSize, NativeMethods.STRINGFORMAT_UNICODE),
NativeMethods.GetString(rawBuffer, lce.dwInternationalRuleOffset, lce.dwInternationalRuleSize, NativeMethods.STRINGFORMAT_UNICODE), lce.dwOptions));
}
