Hi Alan, Thanks for the replay,Reaily i failed to rectify the issue. i tried calling connect method 2nd time without calling oBluetoothWin32Authentication = new BluetoothWin32Authentication(Win32AuthCallbackHandler); but still same result. please provide the code to Resolve this issue. My current code...

Hi Alan, I read that thread completly i agree it may work with obex with BT 2.1 . my environment is SPP with BT 3.0 with Window7. your solution works fines if the device is not paired for first time by hangling oBluetoothWin32Authentication = new BluetoothWin32Authentication(Win32AuthCallbackHandler...

Hi Alan, I tried the code which you suggested .its woking fine for unpaired devices. for paired devices the application will not call the call back event (Win32AuthCallbackHandler ) raises the exception m_oBTConnector.Connect(m_oEndPoint); //here i will get a exception "A socket operation was attempted...

Hi Alan, Thanks for your replay,i tried that method for first time it will call call back event second time it will will not call the call back event. if my Bluetooth version of the Pc with windows 7/xp is 3.0 means i need to bypass the paring and i want connect direct from Pc to Remote device. Please...

Hi Alan, my laptop having msft 3.0 and windows 7 i am trying to connect the devices it is not connecting. i tryied with first pairing and connecting next still its not working . scenerio is that if the bt version is greater than 2.0 the passkey must me bypassed. but i doint know how to connect the remote...

Hello Viver, In windows xp my application works fine but in my windows 7 when the application hits code BluetoothSecurity.PairRequest(btaddress, DEVICE_PIN)) their is small popup screen at ightside of pc with the text saying that "Device is requst for paring if want click on this message" after...

Hello Vivwe, My Application is wokong fine but i want to know the Proper Exception like when ever user disable the Bluetooth it automatically Application Should give Bluetooth off exception,After sending the data need to know wheather the data is received correctly by remote device or not so please prove...

Hello viwer, thanks for your replay. i tryied that code it is hanging at -- Bl.AcceptBluetoothClient ( ); Please refer below code. Guid spguid = new Guid ( "{00112233-4455-6677-8899-aabbccddeeff}" ); Bl = new BluetoothListener ( spguid ); Bl.Start ( ); conn = Bl.AcceptBluetoothClient ( ); stream...

Hello Viwer, My application is currently woking fine by using Obex(OPP) but i want to do same using SPP profile. so what are the nessary changes i need to do in coding in windows xp PC using c#. Code C# public List<BluetoothDeviceInfo> DiscoverAllDevices() { List<BluetoothDeviceInfo> _devices...

Sorry, I have no solution, do you have an other methode for do that. I want send files who are in ListBox on the mobiles devices. No browse a device. Just send file at device in the ListBox after Scan. How can I do that. Please help...