Returns the document type associated with files having extension
- macOS 10.0–10.5Deprecated
fileExtensionOrHFSFileType parameter may also be an encoded HFS file type, as well as a filename extension.
This method only works when passed a file name extension used in a
CFBundleDocumentTypes entry that does not have an
Returns the document object for the file in which the document data is stored.
Sets whether the window controllers of a document should be created when the document is created.
Returns a Boolean value that indicates whether the window controllers of a document should be created when the document is created.