Implementing the Put Operation (Windows CE 5.0)

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A client-side push is the most common application of OBEX. It enables clients to transfer files to a server. A common scenario for this functionality would be a user transferring a calendar schedule to a PDA.

To implement this functionality, the following steps are required:

1. Create an instance of the following interfaces:
   • IObex. Used for the OBEX services.
   • IHeaderCollection. Used to create header collections.
   • IObexDevice. Used to execute common operations.
   • IStream. Used to manage data streams between devices.
2. Initialize the IObex interface by calling the IObex::Initialize method.
3. To obtain a list of available devices, call the IObex::EnumDevices method. Alternatively, you can also call the IObexSink::Notify method to obtain a list of available Bluetooth devices.
4. Using the IHeaderCollection interface, build the collection of headers that you would like to pass into the IObexDevice::Connect method.
5. Using the information from IObex::EnumDevices, connect to the desired device with the IOBexDevice::Connect method.
6. Using the IHeaderCollection interface, build the collection of headers that you would like to pass into the IObexDevice::Put method. This collection is used to describe the object you are pushing.
7. Call the IObexDevice::Put method. Include the collection of headers that describe the object.
8. The IObexDevice::Put method returns a stream. Use the IStream interface to write the stream to the server.
9. When finished, release the stream.
10. To release the connection, call the IObexDevice::Disconnect method.
11. To release the IObex interface and allocated resources, call the IObex::Shutdown method.
12. Release all other interfaces.

See Also

OBEXTool | OBEX Samples | Implementing the Get Operation

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