Function IsIconRefComposite 

pub unsafe extern "C-unwind" fn IsIconRefComposite(
    composite_icon_ref: IconRef,
    background_icon_ref: *mut IconRef,
    foreground_icon_ref: *mut IconRef,
) -> i16

👎Deprecated: Use NSImage or Core Graphics to composite images.

Available on crate feature IconsCore only.

Safety

• composite_icon_ref must be a valid pointer.
• background_icon_ref must be a valid pointer.
• foreground_icon_ref must be a valid pointer.