Starts an asynchronous fetch for image data in all locations, and returns a non-zero tag for tracking.
- macOS 10.2+
The person whose image data you wish to fetch.
The function to call when the fetch is completed.
An untyped pointer to program-defined data that will be passed to the callback.
A non-zero tag for tracking
Use this function to begin an asynchronous fetch. Implement your callback function to receive the fetched image. Use the
ABCancel function to cancel an asynchronous fetch.