public static BTSTATUS BT_BrowseServices(BLUETOOTH_DEVICE_INFO DeviceInfo, bool bBrowseAllServices, out GENERAL_SERVICE_INFO[] ServiceInfos)
{
int DeviceInfoSize = Marshal.SizeOf(DeviceInfo);
IntPtr DeviceInfoPtr = Marshal.AllocHGlobal(DeviceInfoSize);
Marshal.StructureToPtr(DeviceInfo, DeviceInfoPtr, false);
GENERAL_SERVICE_INFO ServiceInfo = new GENERAL_SERVICE_INFO();
int ServiceInfoCount = 16;
int ServiceInfoSize = Marshal.SizeOf(ServiceInfo);
int ServiceInfosSize = ServiceInfoSize * ServiceInfoCount;
IntPtr ServiceInfosPtr = Marshal.AllocHGlobal(ServiceInfosSize);
Marshal.StructureToPtr(ServiceInfo, ServiceInfosPtr, false);
ServiceInfoCount = 0;
BTSTATUS result = NativeMethods.BT_BrowseServices(
DeviceInfoPtr,
bBrowseAllServices,
ref ServiceInfosSize,
ServiceInfosPtr);
ServiceInfoCount = ServiceInfosSize / ServiceInfoSize;
ServiceInfos = new GENERAL_SERVICE_INFO[ServiceInfoCount];
for (int i = 0; i < ServiceInfoCount; i++)
{
ServiceInfos[i] = (GENERAL_SERVICE_INFO)Marshal.PtrToStructure(new IntPtr(ServiceInfosPtr.ToInt64() + i * ServiceInfoSize), typeof(GENERAL_SERVICE_INFO));
}
return(result);
}
public static BTSTATUS BT_ConnectService(BLUETOOTH_DEVICE_INFO DeviceInfo, GENERAL_SERVICE_INFO ServiceInfo, ref int lpConnectionHandle)
{
int DeviceInfoSize = Marshal.SizeOf(DeviceInfo);
IntPtr DeviceInfoPtr = Marshal.AllocHGlobal(DeviceInfoSize);
Marshal.StructureToPtr(DeviceInfo, DeviceInfoPtr, false);
int ServiceInfoSize = Marshal.SizeOf(ServiceInfo);
IntPtr ServiceInfoPtr = Marshal.AllocHGlobal(ServiceInfoSize);
Marshal.StructureToPtr(ServiceInfo, ServiceInfoPtr, false);
return(BT_ConnectService(DeviceInfoPtr, ServiceInfoPtr, IntPtr.Zero, ref lpConnectionHandle));
}
public static BTSTATUS BT_ConnectService(BLUETOOTH_DEVICE_INFO DeviceInfo, GENERAL_SERVICE_INFO ServiceInfo, ref int lpConnectionHandle)
{
int DeviceInfoSize = Marshal.SizeOf(DeviceInfo);
IntPtr DeviceInfoPtr = Marshal.AllocHGlobal(DeviceInfoSize);
Marshal.StructureToPtr(DeviceInfo, DeviceInfoPtr, false);
int ServiceInfoSize = Marshal.SizeOf(ServiceInfo);
IntPtr ServiceInfoPtr = Marshal.AllocHGlobal(ServiceInfoSize);
Marshal.StructureToPtr(ServiceInfo, ServiceInfoPtr, false);
return BT_ConnectService(DeviceInfoPtr, ServiceInfoPtr, IntPtr.Zero, ref lpConnectionHandle);
}
public static BTSTATUS BT_BrowseServices(BLUETOOTH_DEVICE_INFO DeviceInfo, bool bBrowseAllServices, out GENERAL_SERVICE_INFO[] ServiceInfos)
{
int DeviceInfoSize = Marshal.SizeOf(DeviceInfo);
IntPtr DeviceInfoPtr = Marshal.AllocHGlobal(DeviceInfoSize);
Marshal.StructureToPtr(DeviceInfo, DeviceInfoPtr, false);
GENERAL_SERVICE_INFO ServiceInfo = new GENERAL_SERVICE_INFO();
int ServiceInfoCount = 16;
int ServiceInfoSize = Marshal.SizeOf(ServiceInfo);
int ServiceInfosSize = ServiceInfoSize * ServiceInfoCount;
IntPtr ServiceInfosPtr = Marshal.AllocHGlobal(ServiceInfosSize);
Marshal.StructureToPtr(ServiceInfo, ServiceInfosPtr, false);
ServiceInfoCount = 0;
BTSTATUS result = NativeMethods.BT_BrowseServices(
DeviceInfoPtr,
bBrowseAllServices,
ref ServiceInfosSize,
ServiceInfosPtr);
ServiceInfoCount = ServiceInfosSize / ServiceInfoSize;
ServiceInfos = new GENERAL_SERVICE_INFO[ServiceInfoCount];
for (int i = 0; i < ServiceInfoCount; i++)
{
ServiceInfos[i] = (GENERAL_SERVICE_INFO)Marshal.PtrToStructure(new IntPtr(ServiceInfosPtr.ToInt64() + i * ServiceInfoSize), typeof(GENERAL_SERVICE_INFO));
}
return result;
}
