{"id":303,"date":"2012-02-04T15:09:13","date_gmt":"2012-02-04T14:09:13","guid":{"rendered":"http:\/\/dev.flauschig.ch\/wordpress\/?p=303"},"modified":"2012-02-04T15:09:13","modified_gmt":"2012-02-04T14:09:13","slug":"standard-delegates","status":"publish","type":"post","link":"http:\/\/dev.flauschig.ch\/wordpress\/?p=303","title":{"rendered":"Standard Delegates"},"content":{"rendered":"<p>I do need some delegates from time to time (like when using threads in a WinForms App). But I&#8217;m too lazy to declare all needed delegates, especially if they have none or only very few parameters.<\/p>\n<p>Luckily, there are some predefined delegates which can be used for that.<\/p>\n<p>Here&#8217;s a list of some of those:<\/p>\n<pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\r\nEventHandler \/\/ Default event callbacks\r\nEventHandler&lt;T&gt; \/\/ Default event callbacks with custom parameter (inheriting from EventArgs)\r\nAction&lt;T1, T2, T3, T4&gt; \/\/ Function without return value and 0-4 parameters\r\nFunc&lt;T1, T2, T3, T4, TResult&gt; \/\/ Methos with 0-4 parameters and one result type\r\nPredicate&lt;T&gt; \/\/ equivalent to Func&lt;T, bool&gt;\r\n<\/pre>\n<p>And here&#8217;s a very simple example:<\/p>\n<pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\r\nprivate void InvokedClose()\r\n{\r\n\tif (InvokeRequired)\r\n\t{\r\n\t\tInvoke(new Action(InvokedClose));\r\n\t}\r\n\telse\r\n\t{\r\n\t\tthis.Close();\r\n\t}\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>I do need some delegates from time to time (like when using threads in a WinForms App). But I&#8217;m too lazy to declare all needed delegates, especially if they have none or only very few parameters. Luckily, there are some predefined delegates which can be used for that. Here&#8217;s a list of some of those: &hellip; <\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4,3],"tags":[],"class_list":{"0":"entry","1":"post","2":"publish","3":"author-roemer","4":"post-303","6":"format-standard","7":"category-csharp","8":"category-programming"},"acf":[],"views":1625,"_links":{"self":[{"href":"http:\/\/dev.flauschig.ch\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/303"}],"collection":[{"href":"http:\/\/dev.flauschig.ch\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/dev.flauschig.ch\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/dev.flauschig.ch\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/dev.flauschig.ch\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=303"}],"version-history":[{"count":0,"href":"http:\/\/dev.flauschig.ch\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/303\/revisions"}],"wp:attachment":[{"href":"http:\/\/dev.flauschig.ch\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/dev.flauschig.ch\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=303"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/dev.flauschig.ch\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}