{"author_name":"haruyutaka","categories":[],"width":"100%","height":"190","url":"https://haruyutaka.hatenadiary.org/entry/20070417/p2","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fharuyutaka.hatenadiary.org%2Fentry%2F20070417%2Fp2\" title=\"C#3.0 - C#\u5927\u597d\u304dharuyutaka\u3055\u3093\u306e\u6b4c\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2007-04-17 00:00:01","blog_url":"https://haruyutaka.hatenadiary.org/","image_url":null,"provider_name":"Hatena Blog","version":"1.0","blog_title":"C#\u5927\u597d\u304dharuyutaka\u3055\u3093\u306e\u6b4c","provider_url":"https://hatena.blog","title":"C#3.0","type":"rich","description":"\u305f\u3068\u3048\u30702.0\u307e\u3067\u306f\u3001 StreamReader sr = new StreamReader(\"hoge.txt\") .... sr.Close() \u3053\u308c\u3058\u3083\u4f8b\u5916\u304c\u6765\u305f\u3068\u304d\u306bClose\u3055\u308c\u306a\u3044\u3068\u3044\u3063\u3066\u3001 using(StreamReader sr = new StreamReader(\"hoge.txt\")){...} \u3053\u3093\u306a\u98a8\u306b\u3084\u3063\u3066\u305f\u3051\u3069\u3001 StreamReader.Open(\"hoge.txt\", reader =>{ ... }); \u3053\u3093\u306a\u98a8\u306b\u3059\u308c\u3070\u3001\u53d7\u3051\u53d6\u3063\u305f\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u884c\u3057\u305f\u5f8c\u306b\u3001\u5fc5\u305aClose\u3059\u308b\u3053\u3068\u304c\u4fdd\u969c\u3055\u308c\u308b\u3002Close\u3057\u5fd8\u308c\u3092\u306a\u304f\u305b\u308b\u3002 \u305d\u306e\u4ee3\u308f\u308a\u5fc5\u305aClose\u3055\u308c\u3066\u3057\u307e\u3046\u2026","author_url":"https://blog.hatena.ne.jp/haruyutaka/"}