{"id":2862,"date":"2012-05-26T00:42:16","date_gmt":"2012-05-25T15:42:16","guid":{"rendered":"http:\/\/nanoappli.com\/blog\/?p=2862"},"modified":"2012-05-26T00:42:16","modified_gmt":"2012-05-25T15:42:16","slug":"ctextbox%e3%81%ab%e6%95%b0%e5%ad%97%e3%81%ae%e3%81%bf%e5%85%a5%e5%8a%9b%e5%8f%af%e8%83%bd%e3%81%ab%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"http:\/\/nanoappli.com\/blog\/archives\/2862","title":{"rendered":"[C#]TextBox\u306b\u6570\u5b57\u306e\u307f\u5165\u529b\u53ef\u80fd\u306b\u3059\u308b"},"content":{"rendered":"

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\n

\nprivate void textBox1_KeyPress( object sender, KeyPressEventArgs e ) {\n    \/\/ \u5236\u5fa1\u6587\u5b57\u306f\u5165\u529b\u53ef\n    if ( char.IsControl(e.KeyChar) ) {\n        e.Handled = false;\n        return;\n    }\n\n    \/\/ \u6570\u5b57(0-9)\u306f\u5165\u529b\u53ef\n    if ( char.IsDigit(e.KeyChar)  ) {\n        e.Handled = false;\n        return;\n    }\n\n    \/\/ \u5c0f\u6570\u70b9\u306f\uff11\u3064\u3060\u3051\u5165\u529b\u53ef\n    if ( e.KeyChar == '.') {\n        TextBox target = sender as TextBox;\n        if ( target.Text.IndexOf('.') < 0 ) {\n            \/\/ \u8907\u6570\u306e\u30d4\u30ea\u30aa\u30c9\u5165\u529b\u306fNG\n            e.Handled = false;\n            return;\n        }\n    }\n\n    \/\/ \u4e0a\u8a18\u4ee5\u5916\u306f\u5165\u529b\u4e0d\u53ef\n    e.Handled = true;\n}\n<\/pre>\n
\n3\u3064\u3081\u306eif\u3067\u3001\u5c0f\u6570\u70b9\u306e\u5165\u529b\u3092\u8a31\u5bb9\u3057\u3066\u3044\u307e\u3059\u3002
\n\u3082\u3057\u3001\u5c0f\u6570\u3092\uff2e\uff27\u3068\u307f\u306a\u3057\u305f\u3044\u5834\u5408\u306f\u30013\u3064\u3081\u306eif\u6587\u81ea\u4f53\u3092\u524a\u9664\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u3002
\n
\n\u307e\u305f\u3001\u6570\u5b57(digit)\u3067\u306f\u306a\u304f\u6570\u5024(number)\u306e\u5165\u529b\u3092\u884c\u308f\u305b\u305f\u3044\u5834\u5408\u306f\u3001NumericUpDown\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u304c\u4fbf\u5229\u3067\u3059\u3002\u3053\u3061\u3089\u306f\u3001\u4e0a\u8a18\u306e\u3088\u3046\u306a\u5165\u529b\u5236\u9650\u306b\u52a0\u3048\u3066\u3001\u4e0a\u9650\u5024\uff65\u4e0b\u9650\u5024\u3092\u6307\u5b9a\u3059\u308b\u4e8b\u3082\u53ef\u80fd\u3067\u3059\u3002
\n\"\"<\/a>
\n
\n
\n
\n
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\n
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\n\u3053\u308c\u306b\u5bfe\u3057\u3066\u6570\u5024\u306f\u3001\u91d1\u984d\u3084\u6570\u91cf\u306a\u3069\u306e\u3001\u6570\u5b66\u7684\u306a\u610f\u5473\u3067\u306e\"\u6570\"\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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\u2026<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[1],"tags":[97],"jetpack_featured_media_url":"","jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":725,"url":"http:\/\/nanoappli.com\/blog\/archives\/725","url_meta":{"origin":2862,"position":0},"title":"[JavaScript]\u6570\u5024\u5165\u529b\u6b04\u3067\u3001\u5168\u89d2\u6570\u5b57\u3084\u66f8\u5f0f\u7de8\u96c6\u3055\u308c\u305f\u6587\u5b57\u3092\u53d7\u3051\u5165\u308c\u308b\u3002(\u5168\u89d2\/\u534a\u89d2\u5909\u63db)","date":"2012\u5e741\u670823\u65e5","format":false,"excerpt":"\u540d\u53e4\u5c4b\u5e02\u306e\u56f3\u66f8\u9928\u306b\u306f\u3001Web\u30b5\u30a4\u30c8\u304c\u3042\u308a\u30aa\u30f3\u30e9\u30a4\u30f3\u3067\u4e88\u7d04\u304c\u51fa\u6765\u308b\u306e\u304c\u4fbf\u5229\u3067\u3059\u3002 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