enum_type Value()const{\returnv_;\ }\ \ std::stringToString()const{\staticstd::vector<std::string> m =GetMappings();\ auto i= static_cast<size_t>(v_);\if(i >m.size()) {\return#name":-Invalid";\ }\returnm[i];\ }\ \booloperator== (enum_type v)const{\returnv_ ==v;...
ConvertTo 方法 参考 反馈 定义 命名空间: System.Configuration 程序集: System.Configuration.ConfigurationManager.dll 将Enum 类型转换为 String 值。 C# 复制 public override object ConvertTo (System.ComponentModel.ITypeDescriptorContext ctx, System.Globalization.CultureInfo ci, object value, Type type);...
"enum2string.h" #include <boost/preprocessor.hpp> #define X_DEFINE_ENUM_WITH_STRING_CONVERSIONS_TOSTRING_CASE(r, data, elem) \ caseelem :returnBOOST_PP_STRINGIZE(elem); #define DEFINE_ENUM_WITH_STRING_CONVERSIONS(name, enumerators) \ enumname { \ BOOST_PP_SEQ_ENUM(enumerators) \ }; \ ...
Now, let's say I want to display the string value of enum in some control. For that, I will have to convert Enum value to string. For example, I want to add all enum string values to a DropDownList. The following code loops through the enumeration and adds string values to it. Here...
public enum AverageType : short { None = 0, GeometricMean = 1, ArithmeticMean = 2, Median = 3 }; // Pass an instance of this class to methods that require an // IFormatProvider. The class instance determines the type of // average to calculate. public class AverageInfo : IFormatPro...
public enum AverageType : short { None = 0, GeometricMean = 1, ArithmeticMean = 2, Median = 3 }; // Pass an instance of this class to methods that require an // IFormatProvider. The class instance determines the type of // average to calculate. public class AverageInfo : IFormatPro...
public enum AverageType : short { None = 0, GeometricMean = 1, ArithmeticMean = 2, Median = 3 }; // Pass an instance of this class to methods that require an // IFormatProvider. The class instance determines the type of // average to calculate. public class AverageInfo : IFormatPro...
Adding Drag/Drop/Resizable Selection Rectangle to Image Editor Adding if condition as if button not clicked Adding Image to the DataTable Adding item to the static class of List Adding Items to enum ! Adding Line Break To DataTable Row Adding List<string> to ListView adding needed .dll to ...
value Double 要转换的双精度浮点数。 provider IFormatProvider 一个提供区域性特定的格式设置信息的对象。 返回 String value 的字符串表示形式。 示例 以下示例将值数组 Double 中的每个元素转换为四个不同区域性中的等效字符串表示形式。 C# 复制 运行 // Define an array of numbers to display. double...
using System; public enum Continent { Africa, Antarctica, Asia, Australia, Europe, NorthAmerica, SouthAmerica }; public class Example { public static void Main() { // Convert a Continent to a Double. Continent cont = Continent.NorthAmerica; Console.WriteLine("{0:N2}", Convert.ChangeType(con...