Sets the contents of receiver from the file at
- macOS 10.0–10.11Deprecated
The URL of the document to open.
The option keys for importing the document. For a list of possible values, see “Option keys for importing documents” in
On return, contains the document attributes. For a list of possible values, see “Document Attributes” in
YES if the attributed string is created successfully or
NO if it was not.
Filter services can be used to convert the contents of the URL into a format recognized by Cocoa.