The Icon structure contains functions and structures to create and operate on icons.
structure Icon: sig type HICON and HINSTANCE and HDC val CopyIcon : HICON -> HICON val DestroyIcon : HICON -> unit val DrawIcon : HDC * int * int * HICON -> unit val ExtractIcon : HINSTANCE * string * int -> HICON val IDI_APPLICATION : Resource.RESID val IDI_ASTERISK : Resource.RESID val IDI_ERROR : Resource.RESID val IDI_EXCLAMATION : Resource.RESID val IDI_HAND : Resource.RESID val IDI_INFORMATION : Resource.RESID val IDI_QUESTION : Resource.RESID val IDI_WARNING : Resource.RESID val IDI_WINLOGO : Resource.RESID val LoadIcon : HINSTANCE * Resource.RESID -> HICON end