Returns a Boolean value that indicates whether the document can read and write the data natively.
SDK
- macOS 10.0+
Framework
- App
Kit
Type Methodis
is
See Also
Managing File Type Information
class var readableReturns the types of data the receiver can read natively and any types filterable to that native type.
class var writableReturns the types of data the receiver can write natively and any types filterable to that native type.
func writableReturns the names of the types to which this document can be saved for a specified kind of save operation.
func fileReturns a filename extension that can be appended to a base filename, for a specified file type and kind of save operation.