{"version":"1.0","provider_name":"Visual Studio Setup","provider_url":"https:\/\/devblogs.microsoft.com\/setup","author_name":"Heath Stewart","author_url":"https:\/\/devblogs.microsoft.com\/setup\/author\/heaths\/","title":"Guidelines for COM Interoperability from .NET (Update 1)","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"wlvJ3NYSfo\"><a href=\"https:\/\/devblogs.microsoft.com\/setup\/guidelines-for-com-interoperability-from-net-update-1\/\">Guidelines for COM Interoperability from .NET (Update 1)<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/devblogs.microsoft.com\/setup\/guidelines-for-com-interoperability-from-net-update-1\/embed\/#?secret=wlvJ3NYSfo\" width=\"600\" height=\"338\" title=\"&#8220;Guidelines for COM Interoperability from .NET (Update 1)&#8221; &#8212; Visual Studio Setup\" data-secret=\"wlvJ3NYSfo\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/devblogs.microsoft.com\/setup\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/devblogs.microsoft.com\/setup\/wp-content\/uploads\/sites\/13\/2018\/08\/vsfeaturemed.png","thumbnail_width":559,"thumbnail_height":350,"description":"Sometime back I posted Guidelines for COM Interoperability from .NET where I enumerated several practices to follow when exposing types from your managed assemblies to COM. This update is to provide some additional information with the release of the Microsoft .NET Framework 2.0 as well as correct one statement I made with regard to inheritting [&hellip;]"}