BthAGSetServiceCallback (Windows CE 5.0)

项目
09/14/2012

This function is called by the Audio Gateway (AG) service to determine whether or not the phone has cellular service.

DWORD BthAGSetServiceCallback(  PFN_PhoneExtServiceCallbackpfn);

Parameters

pfn
[in] Points to a callback function to be called when the cellular service changes.

The following is an excerpt from the header file, Btagpub.h, that shows the function pointer declaration.
```
typedef void (*PFN_PhoneExtServiceCallback) (BOOL fHaveService);
```
Where, fHaveService determines if the phone has cellular service.

Return Values

Returns TRUE if the phone has cellular service, otherwise, it returns FALSE.

Requirements

OS Versions: Windows CE 5.0 and later.
Header: Btagpub.h.
Link Library: Btagsvc_phoneext.lib.

See Also

Phone-Extension Component

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