{"id":388,"date":"2021-08-24T14:01:12","date_gmt":"2021-08-24T06:01:12","guid":{"rendered":"https:\/\/www.tonghin.com.my\/blog\/?p=388"},"modified":"2021-08-24T14:01:16","modified_gmt":"2021-08-24T06:01:16","slug":"implementing-wrappers","status":"publish","type":"post","link":"https:\/\/www.tonghin.com.my\/blog\/2021\/08\/24\/implementing-wrappers\/","title":{"rendered":"Implementing wrappers"},"content":{"rendered":"\n<p>Last , I was given a few issues in my git repository. Previously in the SandBox application , data were selected in the <strong>ComboBox <\/strong>with <strong>SelectedValue <\/strong>, showing names with <strong>DisplayMemberPath <\/strong>. I was advised to use wrappers instead for more maintainable code . After implementing the wrapper instead of <strong>SelectedValue <\/strong>and <strong>DisplayMemberPath <\/strong>the codebase became less complex .<\/p>\n\n\n\n<p>A <strong>Wrapper <\/strong>class &#8220;wraps&#8221; an object of another class. It is used to implement a design pattern that has an instance of an object and presents its own interface to that object, without changing the original class .<\/p>\n\n\n\n<p>I also fixed some bugs in the <strong>ViewModel <\/strong>and integration tests between modules . In the <strong>ViewModel <\/strong>, methods were called twice causing errors, because <strong>EventAggregator <\/strong>was subscribed more than once, once in a method and another in the constructor , to fix this I removed the subscription from the constructor , fixing the bug while making the integration tests pass.<\/p>\n\n\n\n<p>That is it for last week . For next week , I will be planning a model for stock threshold in the application .<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Last , I was given a few issues in my git repository. Previously in the SandBox application , data were selected in the ComboBox with SelectedValue , showing names with DisplayMemberPath . I was advised to use wrappers instead for more maintainable code . After implementing the wrapper instead of SelectedValue and DisplayMemberPath the codebase &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.tonghin.com.my\/blog\/2021\/08\/24\/implementing-wrappers\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Implementing wrappers&#8221;<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[5],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Implementing wrappers | Tong Hin&#039;s Blog<\/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:\/\/www.tonghin.com.my\/blog\/2021\/08\/24\/implementing-wrappers\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Implementing wrappers | Tong Hin&#039;s Blog\" \/>\n<meta property=\"og:description\" content=\"Last , I was given a few issues in my git repository. Previously in the SandBox application , data were selected in the ComboBox with SelectedValue , showing names with DisplayMemberPath . I was advised to use wrappers instead for more maintainable code . 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