kCGImagePropertyGIFDelayTime
The number of seconds to wait before displaying the next image in an animated sequence, clamped to a minimum of 100 milliseconds.
Declaration
let kCGImagePropertyGIFDelayTime: CFStringDiscussion
The value of this key is a CFNumber with a floating-point value. The value of this key is never less than 100 millseconds, and the system adjusts values less than that amount to 100 milliseconds, as needed. See kCGImagePropertyGIFUnclampedDelayTime.