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 Sir, i used 32 feet dll its amazing.thank you very much. i want to send the sting from Pc to External device which is also a SPP enabled . Please help me out in this, Thanks in advance.