Returns the receiver’s resource data, loading it if necessary.
- macOS 10.0–10.4Deprecated
Whether the URL should use cached resource data from an already loaded URL that refers to the same resource. If
YES, the cache is consulted when loading data. If
NO, the data is always loaded directly, without consulting the cache.
The receiver's resource data.
If the receiver has not already loaded its resource data, it will attempt to load it as a blocking operation.
In OS X v10.4, this method requests that the data be sent with gzip compression, however it does not automatically decompress the data if the server complies with this request. Data is automatically decompressed in macOS 10.5 and later.