{"id":5794,"date":"2014-04-07T09:12:12","date_gmt":"2014-04-07T09:12:12","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2014\/04\/07\/how-to-stop-code-generator-in-designer-in-this-case-collection-of-common-programming-errors\/"},"modified":"2014-04-07T09:12:12","modified_gmt":"2014-04-07T09:12:12","slug":"how-to-stop-code-generator-in-designer-in-this-case-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2014\/04\/07\/how-to-stop-code-generator-in-designer-in-this-case-collection-of-common-programming-errors\/","title":{"rendered":"How to stop code generator in designer in this case-Collection of common programming errors"},"content":{"rendered":"<p>I am creating a custom control derived from ComboBox. I add some items to custom control in constructor of control. \/\/ this code is sample public MyCustomControl { this.Items.Add(&#8220;test1&#8221;); this.Items.Add(&#8220;test2&#8221;); } When I drag this custom control to my form, designer auto-generate the code: \/\/ this code in Form1.Designer.cs this.mycustomControls.Items.AddRange(new object[] { \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 &#8220;test1&#8221;, \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 &#8220;test2&#8221;}); When this custom control display on Form1, will have 4 items: test1 test2 test1 test2 This problem cause duplication.<\/p>\n<p>Please help me how to solve this problem, I don&#8217;t want designer auto-generate these codes. Thanks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I am creating a custom control derived from ComboBox. I add some items to custom control in constructor of control. \/\/ this code is sample public MyCustomControl { this.Items.Add(&#8220;test1&#8221;); this.Items.Add(&#8220;test2&#8221;); } When I drag this custom control to my form, designer auto-generate the code: \/\/ this code in Form1.Designer.cs this.mycustomControls.Items.AddRange(new object[] { \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 &#8220;test1&#8221;, \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5794","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/5794","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=5794"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/5794\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=5794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=5794"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=5794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}