{"id":2277,"date":"2018-05-09T01:33:48","date_gmt":"2018-05-08T16:33:48","guid":{"rendered":"http:\/\/okamurax.com\/?p=2277"},"modified":"2018-05-09T01:33:48","modified_gmt":"2018-05-08T16:33:48","slug":"c-iobserver%e3%83%a1%e3%83%a2","status":"publish","type":"post","link":"https:\/\/appbay.org\/?p=2277","title":{"rendered":"C# IObserver\u30e1\u30e2"},"content":{"rendered":"<pre class=\"lang:c# decode:true \">using System;\r\nusing System.Collections.Generic;\r\nusing System.ComponentModel;\r\nusing System.Data;\r\nusing System.Drawing;\r\nusing System.Linq;\r\nusing System.Text;\r\nusing System.Threading.Tasks;\r\nusing System.Windows.Forms;\r\n\r\nnamespace WindowsFormsApp1\r\n{\r\n    public class TestObserverDisposer : IDisposable\r\n    {\r\n        \/\/\u76e3\u8996\u5bfe\u8c61\u3092\u4fdd\u6301\r\n        public TestObservable observable;\r\n        public TestObserverDisposer(TestObservable o)\r\n        {\r\n            this.observable = o;\r\n        }\r\n        public void Dispose()\r\n        {\r\n            observable.Observer = null;\r\n        }\r\n    }\r\n    public class TestObservable : IObservable&lt;int&gt;\r\n    {\r\n        \/\/\u76e3\u8996\u5074\u3092\u4fdd\u6301\r\n        public TestObserver Observer;\r\n        public void Excute()\r\n        {\r\n            if (Observer == null) return;\r\n\r\n            Observer.OnNext(1);\r\n            Observer.OnCompleted();\r\n        }\r\n        public IDisposable Subscribe(IObserver&lt;int&gt; o)\r\n        {\r\n            Observer = (TestObserver)o;\r\n            return new TestObserverDisposer(this);\r\n        }\r\n    }\r\n    public class TestObserver : IObserver&lt;int&gt;\r\n    {\r\n        public void OnError(Exception e)\r\n        {\r\n            \r\n        }\r\n        public void OnCompleted()\r\n        {\r\n            \r\n        }\r\n        public void OnNext(int val)\r\n        {\r\n            MessageBox.Show(val.ToString());\r\n        }\r\n    }\r\n\r\n\r\n    public partial class Form1 : Form\r\n    {\r\n        public Form1()\r\n        {\r\n            InitializeComponent();\r\n            TestObserver observer = new TestObserver();\r\n            TestObservable observable = new TestObservable();\r\n            IDisposable disporser = observable.Subscribe(observer);\r\n            observable.Excute();\r\n            disporser.Dispose();\r\n            observable.Excute();\r\n        }\r\n    }\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.D &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/appbay.org\/?p=2277\" class=\"more-link\"><span class=\"screen-reader-text\">&#8220;C# IObserver\u30e1\u30e2&#8221; \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/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":[9],"class_list":["post-2277","post","type-post","status-publish","format-standard","hentry","category-1","tag-c-net"],"_links":{"self":[{"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/posts\/2277","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/appbay.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2277"}],"version-history":[{"count":1,"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/posts\/2277\/revisions"}],"predecessor-version":[{"id":2278,"href":"https:\/\/appbay.org\/index.php?rest_route=\/wp\/v2\/posts\/2277\/revisions\/2278"}],"wp:attachment":[{"href":"https:\/\/appbay.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/appbay.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2277"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/appbay.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}