set
Marks this pixelref is immutable, meaning that the contents of its pixels will not change for the lifetime of the pixelref. This state can be set on a pixelref, but it cannot be cleared once it is set.
Marks this pixelref is immutable, meaning that the contents of its pixels will not change for the lifetime of the pixelref. This state can be set on a pixelref, but it cannot be cleared once it is set.