Am 07.01.2013 um 18:33 schrieb 土卜皿 :

hi, all in Hans Hagen's "Metafun context mkiv" page 208, there is some buttons example, I want to know how to implement a complete buttons in context, Thanks in advance!

another, in Presentations (screen documents), there is three examples, but they are not able to be compiled by the latest context version 2012.12.28 20:30, I hope to get some advanced examples

Can be a problem with uniqueMPgraphic because useMPgraphic works. \startuseMPgraphic{wrong or right} pickup pencircle scaled 3pt ; path p ; p := unitsquare xscaled OverlayWidth yscaled OverlayHeight ; fill p withcolor .8white ; draw p withcolor .625red ; \stopuseMPgraphic \defineoverlay[button][\useMPgraphic{wrong or right}] \setupbuttons[background=button,frame=off] \setupinteraction[state=start] \starttext \completecontent \page \hbox {\button {previous} [previouspage]\quad \button {next} [nextpage]\quad \button {index} [index]\quad \button {table of contents} [content]} \completeindex \stoptext Wolfgang