I'd recommend using our library, the one you mention isn't not actively supported as far as I know. As to download size I can send you the library DLL alone if that would help.
I _assume_ that you can use AT commands to send the text messages, and thus can connect to the SerialPort (or maybe DialupNetworking) service on the phone to do so. If so, to make the Bluetooth connection see the code below which is from the user's guide doc.
Dim addr As BluetoothAddress _
= BluetoothAddress.Parse("001122334455") 'replace with read it from storage etc
'
Dim ep As New BluetoothEndPoint(addr, BluetoothService.SerialPort)
Dim cli As New BluetoothClient
cli.Connect(ep)
Dim peerStream As Stream = cli.GetStream()
peerStream.Write/Read ...
You can discover the phone once maybe with the code below and store its address in a file (etc) and reuse it each time rather than doing a discovery each time.
Dim dlg As New SelectBluetoothDeviceDialog
Dim result As DialogResult = dlg.ShowDialog(Me)
If result <> DialogResult.OK Then
Return
End If
Dim device As BluetoothDeviceInfo = dlg.SelectedDevice
Dim addr As BluetoothAddress = device.DeviceAddress
...
Let me know if that sounds good. You can send me a 'private message' with your email address if getting the ~200KB library would be an easier download than the ~3MB release. :-)
Alan J. McFarlane
http://www.alanjmcf.me.uk/
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