MuAugust 2000, Microsoft, Hewlett-Packard, uye Intel vakashanda kuti vagadzirise Common Language Infrastructure (CLI) uye C#. Pakazosvika December 2001, vose vakanga vabvumirana neEcma International (ECMA) mitemo. International Organization for Standardization (ISO) yakatevera muna April 2003. Shanduro yazvino ye ISO mitemo ndeye ISO / IEC 23271: 2012 uye ISO / IEC 23270: 2006. Kunyange zvazvo Microsoft nevashandi vavo vane zvigadziro zveCLI neC #, ECMA ne ISO zvinoda kuti zvigadziro zvose zvinokosha kuti zviitwe pasi pe "mazwi anonzwisisika uye asina rusaruro".
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