If the given index is valid, returns the glyph at that location and optionally returns a flag indicating whether the requested index is in range.
- iOS 7.0–9.0Deprecated
- macOS 10.0–10.11Deprecated
- tvOS 9.0–9.0Deprecated
The index of the glyph to be returned.
NULL, on output,
trueif the requested index is in range; otherwise
The glyph at the requested index, or
NSNull if the requested index is out of the range
If noncontiguous layout is not enabled, this method causes generation of all glyphs up to and including