function NewImageShow( AParent: PControl; AImgList: PImageList; ImgIdx: Integer ): PControl;

Creates an image show control, implemented as a paintbox which is used to draw an image from the imagelist. At run-time, use property CurIndex to select another image from the imagelist, and a property ImageListNormal to use another image list. When the control is created, its size becomes equal to dimensions of imagelist (if any).