Returns a Boolean indicating that the first Uniform Type Identifier conforms to the second Uniform Type Identifier.
- macOS 10.5+
A string containing the Uniform Type Identifier that should conform to
A string containing a Uniform Type Identifier.
first conforms to the uniform type identifier hierarchy of
Use this method instead of comparing Uniform Identifier Types for equality. See Uniform Type Identifiers Overview for information about Uniform Type Identifier conformance.
This method will always return
YES if the two strings are equal. It is appropriate to use this method with other type names, including those declared in
It is safe to call this method from any thread of your app.