

{"version":"1.0","provider_name":"","provider_url":"https:\/\/www.w3computing.com\/vb2008","author_name":"w3compadmin","author_url":"https:\/\/www.w3computing.com\/vb2008\/author\/w3compadmin\/","title":"Adding and Removing Items from a ListBox Control - VB.NET","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"jQHGTcdJUO\"><a href=\"https:\/\/www.w3computing.com\/vb2008\/vb-adding-removing-items-listbox\/\">Adding and Removing Items from a ListBox Control<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.w3computing.com\/vb2008\/vb-adding-removing-items-listbox\/embed\/#?secret=jQHGTcdJUO\" width=\"600\" height=\"338\" title=\"&#8220;Adding and Removing Items from a ListBox Control&#8221; &#8212; \" data-secret=\"jQHGTcdJUO\" 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:\/\/www.w3computing.com\/vb2008\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"This Adding and Removing Item from a ListBox control example (shown in Figure 4.4) demonstrates the basic operations of the ListBox control. The two ListBox controls on the form operate slightly differently. The first has the default configuration: Only one item can be selected at a time, and new items are appended after the existing [&hellip;]","thumbnail_url":"http:\/\/www.w3computing.com\/vb2008\/wp-content\/uploads\/sites\/3\/2015\/06\/4.4.listbox-control-selecting-items-300x288.png"}