{"type":"rich","author_name":"frontline","image_url":null,"categories":["\u696d\u52d9\u65e5\u8a8c.NET","\u696d\u52d9\u65e5\u8a8c","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"author_url":"https://blog.hatena.ne.jp/frontline/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.backyrd.net%2Fentry%2F20120828%2Fp1\" title=\" \u5024\u578b\u3068Nothing\u306e\u6bd4\u8f03\uff08VB.NET\uff09 - misc.log\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","height":"190","title":" \u5024\u578b\u3068Nothing\u306e\u6bd4\u8f03\uff08VB.NET\uff09","description":"VB.NET\u3067\u306f\u3001\u901a\u5e38\u306f\u53c2\u7167\u578b\u306e\u7a7a\u53c2\u7167\u3068\u3057\u3066\u6271\u308f\u308c\u308bNothing\u3068\u306e\u6bd4\u8f03\u306f\u300cIs Nothing\u300d\u3084\u300cIsNot Nothing\u300d\u3067\u884c\u3046*1\u3002\u3057\u304b\u3057\u3001\u5bfe\u8c61\u304c\u5024\u578b\u5909\u6570\u306e\u5834\u5408\u3001\u901a\u5e38\u306e\u30a4\u30b3\u30fc\u30eb\u3084\u30ce\u30c3\u30c8\u30a4\u30b3\u30fc\u30eb\uff08=\u3084<>\uff09\u3067\u6bd4\u8f03\u304c\u51fa\u6765\u308b\u3002\u3053\u308c\u3001\u6848\u5916\u77e5\u3089\u306a\u3044\u4eba\u304c\u591a\u3044\u3002\u3067\u306f\u3053\u306e\u3068\u304d\u306b\u4f55\u304c\u8d77\u304d\u308b\u306e\u304b\u3002\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u8a66\u3057\u306b\u5b9f\u884c\u3057\u3066\u307f\u3066\u307b\u3057\u3044\u3002 Dim test As Integer = 0 If test = Nothing Then MessageBox.Show(\"nothing\") Else MessageBox.Show(\"not nothing\") End If Integer\u578b\u3067\u5ba3\u8a00\u3057\u305f\u5909\u6570te\u2026","provider_name":"Hatena Blog","url":"https://www.backyrd.net/entry/20120828/p1","provider_url":"https://hatena.blog","width":"100%","blog_title":"misc.log","published":"2012-08-28 00:00:00","blog_url":"https://www.backyrd.net/"}