{"id":346,"date":"2017-02-25T00:00:15","date_gmt":"2017-02-24T15:00:15","guid":{"rendered":"http:\/\/minatopj.php.xdomain.jp\/?p=346"},"modified":"2020-02-07T23:06:08","modified_gmt":"2020-02-07T14:06:08","slug":"%e3%80%90visual-c%e3%80%91%e3%80%8c%e7%ac%ac%e4%bd%95%e4%bd%95%e6%9b%9c%e6%97%a5%e3%80%8d%e3%82%92%e8%bf%94%e3%81%99%e3%83%a2%e3%82%b8%e3%83%a5%e3%83%bc%e3%83%ab%e3%82%92%e4%bd%9c%e3%81%a3%e3%81%a6","status":"publish","type":"post","link":"https:\/\/blog.minatoproject.com\/?p=346","title":{"rendered":"\u3010Visual C#\u3011\u300c\u7b2c\u4f55\u4f55\u66dc\u65e5\u300d\u3092\u8fd4\u3059\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f5c\u3063\u3066\u307f\u308b"},"content":{"rendered":"
\"\"<\/div>\n

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\u3069\u3046\u3084\u3089\u305d\u306e\u6708\u3054\u3068\u306b1\uff5e7\u65e5\u304c\u7b2c1\u4f55\u66dc\u65e5\u30018\uff5e14\u65e5\u304c\u7b2c2\u4f55\u66dc\u65e5\u3068\u4e00\u5fdc\u6cd5\u5f8b\u3067\u6c7a\u307e\u3063\u3066\u3044\u308b\u3089\u3057\u3044\u306e\u3067\u3059\u304c\u3001\u5fd9\u3057\u3044\u4e0a\u306b\u308d\u304f\u3059\u3063\u307d\u982d\u3082\u56de\u3063\u3066\u3044\u306a\u3044\u671d\u304b\u3089\u305d\u3093\u306a\u3053\u3068\u8003\u3048\u3066\u3044\u3089\u308c\u307e\u305b\u3093\u3088\u306d\u3002<\/p>\n\n\n\n

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using System.Globalization;\nusing System.Runtime.Serialization;\nusing Microsoft.VisualBasic;\nnamespace NumberDayOfWeek\n{\n    [Serializable]\n    public class NumberDayOfWeek : IComparable, IFormattable, ISerializable, IComparable<NumberDayOfWeek>, IEquatable<NumberDayOfWeek>\n    {\n        \/***********************************************************\n         *\n         * \u65e5\u672c\u306e\u65e5\u6642\u8868\u8a18\u6cd5\u306b\u57fa\u3065\u304f\u6708\u3054\u3068\u306e\u66a6\u9031\u306f\u4ee5\u4e0b\u3067\u6c7a\u5b9a\u3055\u308c\u308b\u3002\n         * \u3000 1\u65e5\uff5e 7\u65e5\uff1a\u7b2c1\n         * \u3000 8\u65e5\uff5e14\u65e5\uff1a\u7b2c2\n         * \u300015\u65e5\uff5e21\u65e5\uff1a\u7b2c3\n         * \u300022\u65e5\uff5e28\u65e5\uff1a\u7b2c4\n         * \u300029\u65e5\uff5e    \uff1a\u7b2c5\n         * \u3000\n         ***********************************************************\/\n        \/\/\/ <summary>\n        \/\/\/ \u66a6\u9031\uff08\u6708\u3054\u3068\uff09\n        \/\/\/ <\/summary>\n        private int WeekNumber;\n        \/\/\/ <summary>\n        \/\/\/ \u66dc\u65e5\n        \/\/\/ <\/summary>\n        private DayOfWeek DoW;\n        \/\/\/ <summary>\n        \/\/\/ \u30e1\u30f3\u30d0\u5909\u6570\u3092\u5f15\u6570\u306b\u6301\u3064\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n        \/\/\/ <\/summary>\n        \/\/\/ <param name="param1">\u66a6\u9031\uff08\u6708\u3054\u3068\uff09<\/param>\n        \/\/\/ <param name="param2">\u66dc\u65e5<\/param>\n        public NumberDayOfWeek(int param1, DayOfWeek param2)\n        {\n            WeekNumber = param1;\n            DoW = param2;\n        }\n        \/\/\/ <summary>\n        \/\/\/ DateTime\u578b\u3092\u5f15\u6570\u306b\u6301\u3064\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n        \/\/\/ <\/summary>\n        \/\/\/ <param name="param1"><\/param>\n        public NumberDayOfWeek(DateTime param1)\n        {\n            WeekNumber = (int)Math.Ceiling(param1.Day \/ 7.0);\n            DoW = param1.DayOfWeek;\n        }\n        \/\/\/ <summary>\n        \/\/\/\n        \/\/\/ <\/summary>\n        \/\/\/ <param name="obj"><\/param>\n        \/\/\/ <returns><\/returns>\n        public int CompareTo(NumberDayOfWeek obj)\n        {\n            int ret = 1;\n            \/\/ null\u3088\u308a\u5927\u304d\u3044\n            if (obj != null)\n            {\n                \/\/ \u66a6\u9031\u3092\u6bd4\u8f03\n                \/\/ \u66a6\u9031\u304c\u7b49\u3057\u3044\u5834\u5408\u306f\u66dc\u65e5\u3092\u6bd4\u8f03\n                if (WeekNumber != obj.WeekNumber)\n                {\n                    ret = WeekNumber - obj.WeekNumber;\n                }\n                else\n                {\n                    \/\/ \u65e5\u66dc\u304c0\u3001\u571f\u66dc\u304c6\n                    ret = (int)DoW - (int)obj.DoW;\n                }\n            }\n            return ret;\n        }\n        \/\/\/ <summary>\n        \/\/\/\n        \/\/\/ <\/summary>\n        \/\/\/ <param name="obj"><\/param>\n        \/\/\/ <returns><\/returns>\n        public int CompareTo(object obj)\n        {\n            int ret = 1;\n            \/\/ null\u3088\u308a\u5927\u304d\u3044\n            if (obj != null)\n            {\n                var other = obj as NumberDayOfWeek;\n                if (other != null)\n                {\n                    \/\/ \u66a6\u9031\u3092\u6bd4\u8f03\n                    \/\/ \u66a6\u9031\u304c\u7b49\u3057\u3044\u5834\u5408\u306f\u66dc\u65e5\u3092\u6bd4\u8f03\n                    if (WeekNumber != other.WeekNumber)\n                    {\n                        ret = WeekNumber - other.WeekNumber;\n                    }\n                    else\n                    {\n                        \/\/ \u65e5\u66dc\u304c0\u3001\u571f\u66dc\u304c6\n                        ret = (int)DoW - (int)other.DoW;\n                    }\n                }\n            }\n            return ret;\n        }\n        \/\/\/ <summary>\n        \/\/\/\n        \/\/\/ <\/summary>\n        \/\/\/ <returns><\/returns>\n        public override string ToString()\n        {\n            return ToString("G", CultureInfo.CurrentCulture);\n        }\n        \/\/\/ <summary>\n        \/\/\/\n        \/\/\/ <\/summary>\n        \/\/\/ <param name="format"><\/param>\n        \/\/\/ <returns><\/returns>\n        public string ToString(string format)\n        {\n            return ToString(format, CultureInfo.CurrentCulture);\n        }\n        \/\/\/ <summary>\n        \/\/\/\n        \/\/\/ <\/summary>\n        \/\/\/ <param name="format"><\/param>\n        \/\/\/ <param name="provider"><\/param>\n        \/\/\/ <returns><\/returns>\n        public string ToString(string format, IFormatProvider provider)\n        {\n            if (string.IsNullOrEmpty(format))\n            {\n                format = "G";\n            }\n            if (provider == null)\n            {\n                provider = CultureInfo.CurrentCulture;\n            }\n            switch (format)\n            {\n                case "G":\n                    \/\/ 1st Sunday\n                    return string.Format("{0} {1}", AddOrdinal(WeekNumber), DoW.ToString());\n                case "g":\n                    \/\/ 1st Sun\n                    return string.Format("{0} {1}", AddOrdinal(WeekNumber), DoW.ToString().Substring(0, 3));\n                case "J":\n                    \/\/ \u7b2c\uff11\u65e5\u66dc\u65e5\n                    return string.Format("\u7b2c{0}{1}", Strings.StrConv(WeekNumber.ToString(), VbStrConv.Wide), ConvertToJapanDoW());\n                case "j":\n                    \/\/ \u7b2c1\u65e5\u66dc\u65e5\n                    return string.Format("\u7b2c{0}{1}", WeekNumber.ToString(), ConvertToJapanDoW());\n                default:\n                    throw new FormatException(string.Format("The {0} format string is not supported.", format));\n            }\n        }\n        \/\/\/ <summary>\n        \/\/\/\n        \/\/\/ <\/summary>\n        \/\/\/ <param name="info"><\/param>\n        \/\/\/ <param name="context"><\/param>\n        public void GetObjectData(SerializationInfo info, StreamingContext context)\n        {\n            info.AddValue("property1", WeekNumber, typeof(int));\n            info.AddValue("property2", DoW, typeof(DayOfWeek));\n        }\n        \/\/\/ <summary>\n        \/\/\/\n        \/\/\/ <\/summary>\n        \/\/\/ <param name="obj"><\/param>\n        \/\/\/ <returns><\/returns>\n        public bool Equals(NumberDayOfWeek obj)\n        {\n            return (WeekNumber == obj.WeekNumber && DoW == obj.DoW);\n        }\n        \/\/\/ <summary>\n        \/\/\/\n        \/\/\/ <\/summary>\n        \/\/\/ <param name="obj"><\/param>\n        \/\/\/ <returns><\/returns>\n        public override bool Equals(object obj)\n        {\n            if (obj == null || GetType() != obj.GetType())\n            {\n                return false;\n            }\n            var other = obj as NumberDayOfWeek;\n            return (WeekNumber == other.WeekNumber && DoW == other.DoW);\n        }\n        \/\/\/ <summary>\n        \/\/\/\n        \/\/\/ <\/summary>\n        \/\/\/ <returns><\/returns>\n        public override int GetHashCode()\n        {\n            return WeekNumber + (int)DoW;\n        }\n        \/\/\/ <summary>\n        \/\/\/ .net - Is there an easy way to create ordinals in C#? - Stack Overflow\n        \/\/\/ http:\/\/stackoverflow.com\/questions\/20156\/is-there-an-easy-way-to-create-ordinals-in-c\n        \/\/\/ <\/summary>\n        \/\/\/ <param name="num"><\/param>\n        \/\/\/ <returns><\/returns>\n        private static string AddOrdinal(int num)\n        {\n            if (num <= 0) return num.ToString();\n            switch (num % 100)\n            {\n                case 11:\n                case 12:\n                case 13:\n                    return num + "th";\n            }\n            switch (num % 10)\n            {\n                case 1:\n                    return num + "st";\n                case 2:\n                    return num + "nd";\n                case 3:\n                    return num + "rd";\n                default:\n                    return num + "th";\n            }\n        }\n        \/\/\/ <summary>\n        \/\/\/ DayOfWeek\u69cb\u9020\u4f53\u304b\u3089\u65e5\u672c\u8a9e\u306e\u66dc\u65e5\u540d\u3092\u53d6\u5f97\u3059\u308b\n        \/\/\/ <\/summary>\n        \/\/\/ <param name="obj">DayOfWeek\u69cb\u9020\u4f53<\/param>\n        \/\/\/ <returns>\u66dc\u65e5\u306e\u5b8c\u5168\u540d<\/returns>\n        private string ConvertToJapanDoW()\n        {\n            string ret = "";\n            switch ((int)DoW)\n            {\n                case 0:\n                    ret = "\u65e5\u66dc\u65e5";\n                    break;\n                case 1:\n                    ret = "\u6708\u66dc\u65e5";\n                    break;\n                case 2:\n                    ret = "\u706b\u66dc\u65e5";\n                    break;\n                case 3:\n                    ret = "\u6c34\u66dc\u65e5";\n                    break;\n                case 4:\n                    ret = "\u6728\u66dc\u65e5";\n                    break;\n                case 5:\n                    ret = "\u91d1\u66dc\u65e5";\n                    break;\n                case 6:\n                    ret = "\u571f\u66dc\u65e5";\n                    break;\n            }\n            return ret;\n        }\n    }\n}<\/code><\/pre><\/div>\n\n\n\n
\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306b\u3064\u3044\u3066\u306f DateTime<\/code>\u578b\u3092\u8e0f\u8972\u3057\u3066\u3044\u307e\u3059\u304c\u3001 IConvertible<\/code>\u3060\u3051\u306f\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3059\u308b\u95a2\u6570\u304c\u3042\u307e\u308a\u306b\u3082\u591a\u304f\u3001\u3044\u3061\u3044\u3061\u305d\u308c\u3063\u307d\u304f\u4f5c\u308a\u8fbc\u3093\u3067\u3044\u3089\u308c\u306a\u3044\u306e\u3067\u7701\u7565\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u30af\u30e9\u30b9\u306e\u69cb\u9020\u3068\u3057\u3066\u306f\u6708\u3054\u3068\u306e\u66a6\u9031\uff08\u7b2c\u4f55\u9031\uff09\u3092\u8868\u3059int\u578b\u3068\u66dc\u65e5\u3092\u8868\u3059 DayOfWeek<\/code>\u578b\u3092\u30e1\u30f3\u30d0\u5909\u6570\u306b\u6301\u3064\u3054\u304f\u3054\u304f\u30b7\u30f3\u30d7\u30eb\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n
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\u5b9f\u969b\u306b\u6587\u5b57\u5217\u578b\u3068\u3057\u3066\u53d6\u5f97\u3057\u3066\u304f\u308b\u3068\u304d\u306f\u3001\u306a\u305c\u304b\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u82f1\u8a9e\u3092\u8fd4\u3059\u4ed5\u69d8\u306b\u3057\u3066\u3057\u307e\u3063\u305f\u306e\u3067\u3001 ToString()<\/code>\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306b J\u304b j\u3092\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u9055\u3044\u306f\u300c\u7b2c\u25cb\u300d\u306e\u3068\u3053\u308d\u304c\u5927\u6587\u5b57\u304c\u5168\u89d2\u3067\u5c0f\u6587\u5b57\u304c\u534a\u89d2\u3068\u3044\u3046\u3060\u3051\u3067\u3059\u3002<\/p>\n\n\n\n
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