There are functions not included in previous levels and which have own meanings with PaintBox work. These functions help to find out PaintBox size, to play metafile and to place image and to finish work normally.
This function places the image data of size ( Width , Height ) with one corner at (x,y), and angle, specified in degrees (ImageIndex is returned by one of the function appending image to PDF document) into the current content stream for the page