{"id":8748,"date":"2022-09-15T08:23:46","date_gmt":"2022-09-15T02:53:46","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-how-to-get-an-object-from-main-form-closed\/"},"modified":"2022-09-15T08:23:46","modified_gmt":"2022-09-15T02:53:46","slug":"solved-how-to-get-an-object-from-main-form-closed","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-to-get-an-object-from-main-form-closed\/","title":{"rendered":"[Solved] How to get an object from main form [closed]"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-37411210\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"37411210\" data-parentid=\"37410977\" data-score=\"0\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>You can pass the List through the constructor when you create your custom UI.<br \/>\nYou also can use the load-event of the custom UI to populate the combobox.<\/p>\n<pre><code>public partial class Form1 : Form\n{\n    \/\/I want to use these lists in the UserControl class\n    List&lt;Person&gt; persons = new List&lt;Person&gt;(); \n    List&lt;Conditions&gt; conditions = new List&lt;Conditions&gt;();\n    List&lt;Missions&gt; missions = new List&lt;Missions&gt;();\n    Tools tools = new Tools();\n\n\n    public Form1()\n    {\n        InitializeComponent();\n    }\n\n    \/\/ here gets some code that will create an instance of your CellUI class\n    \/\/ and pass the list through the constructor whenever you like to\n}\n\npublic partial class CellUI : UserControl\n{\n    \/\/ List to catch the List from the main form\n    List&lt;Person&gt; persList;\n\n    \/\/Hand it over in the Constructor\n    public CellUI(List&lt;Person&gt; pList)\n    {\n        InitializeComponent();\n\n        persList = pList;\n    }\n\n    \/\/Here I want to get the List&lt;Person&gt; object, and fill a ComboBox \n    private void CellUI_Load(object sender, EventArgs e)\n    {\n        \/\/ populate the combobox with persons\n    }\n\n    \/\/ like - cbCellPersonsList.Add(*all the items in persons from the main form*); \n    private void cbCellPersonsList_SelectedIndexChanged(object sender, EventArgs e)\n    {\n        \/\/when index changes, change Label lblPersonName in the cusom control\n    }\n}\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">6<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved How to get an object from main form [closed] <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] You can pass the List through the constructor when you create your custom UI. You also can use the load-event of the custom UI to populate the combobox. public partial class Form1 : Form { \/\/I want to use these lists in the UserControl class List&lt;Person&gt; persons = new List&lt;Person&gt;(); List&lt;Conditions&gt; conditions = new &#8230; <a title=\"[Solved] How to get an object from main form [closed]\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-get-an-object-from-main-form-closed\/\" aria-label=\"More on [Solved] How to get an object from main form [closed]\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[324],"class_list":["post-8748","post","type-post","status-publish","format-standard","hentry","category-solved","tag-c"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] How to get an object from main form [closed] - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-get-an-object-from-main-form-closed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] How to get an object from main form [closed] - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] You can pass the List through the constructor when you create your custom UI. You also can use the load-event of the custom UI to populate the combobox. public partial class Form1 : Form { \/\/I want to use these lists in the UserControl class List&lt;Person&gt; persons = new List&lt;Person&gt;(); List&lt;Conditions&gt; conditions = new ... 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You also can use the load-event of the custom UI to populate the combobox. public partial class Form1 : Form { \/\/I want to use these lists in the UserControl class List&lt;Person&gt; persons = new List&lt;Person&gt;(); List&lt;Conditions&gt; conditions = new ... 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