//----
internal SdpDiscoveryRecordsBuffer(WidcommBluetoothFactoryBase fcty,
IntPtr pList, int recordCount, ServiceDiscoveryParams requestArgs)
: base(requestArgs)
{
if (pList == IntPtr.Zero)
{
GC.SuppressFinalize(this);
throw new ArgumentException("The native pointer pList is NULL.");
}
m_filledCount = recordCount;
m_pBuffer = pList;
Debug.Assert(fcty != null, "fcty");
_fcty = fcty;
}
public ISdpDiscoveryRecordsBuffer ReadDiscoveryRecords(BluetoothAddress address, int maxRecords, ServiceDiscoveryParams args)
{
return(_child.ReadDiscoveryRecords(address, maxRecords, args));
}
protected SdpDiscoveryRecordsBufferBase(ServiceDiscoveryParams query)
{
m_request = query;
}
public ISdpDiscoveryRecordsBuffer ReadDiscoveryRecords(BluetoothAddress address, int maxRecords, ServiceDiscoveryParams args)
{
byte[] bdaddr = WidcommUtils.FromBluetoothAddress(address);
IntPtr pList;
Guid filter = args.serviceGuid;
int count;
if (args.searchScope == SdpSearchScope.Anywhere)
{
count = NativeMethods.BtIf_ReadDiscoveryRecords(m_pBtIf, bdaddr,
maxRecords, out pList);
}
else
{
Debug.Assert(args.searchScope == SdpSearchScope.ServiceClassOnly, "the other enum");
try {
count = NativeMethods.BtIf_ReadDiscoveryRecordsServiceClassOnly(m_pBtIf, bdaddr,
maxRecords, out pList, ref filter);
} catch (EntryPointNotFoundException ex) {
ReportNeedNeedNativeDllUpgrade(ex, true);
count = NativeMethods.BtIf_ReadDiscoveryRecords(m_pBtIf, bdaddr,
maxRecords, out pList);
} catch (MissingMethodException ex) { // for NETCF
ReportNeedNeedNativeDllUpgrade(ex, true);
count = NativeMethods.BtIf_ReadDiscoveryRecords(m_pBtIf, bdaddr,
maxRecords, out pList);
}
}
ISdpDiscoveryRecordsBuffer recBuf = new SdpDiscoveryRecordsBuffer(
_factory, pList, count, args);
return(recBuf);
}
