A method is provided for the provider to return this information. This is used to perform the appropriate type conversions. This will allow the consuming entity to use the default from the operating system. Sinking Events Methods are provided to attach and detach a unicast event handler for all events. Registers the event handler interface specified by posplListener to receive notifications of changes to data.
OSP events are unicast only.
There can be only one listener. Unregisters the event handler interface specified by posplListener . In the event that posplListener differs from the event handler registered, the call should fail. OLE-DB Simple Provider Listener OSP implementers fire notifications of changes to the underlying data through a single event handler. Indicates that the cell indicated is about to change.