get enum from enum description
public static int GetEnumFromDescription(string description, Type enumType)
{
foreach (var field in enumType.GetFields())
{
DescriptionAttribute attribute
= Attribute.GetCustomAttribute(field, typeof(DescriptionAttribute))as DescriptionAttribute;
if(attribute == null)
continue;
if(attribute.Description == description)
{
return (int) field.GetValue(null);
}
}
return 0;
}C# get enum value by DescriptionAttribute
public static class EnumEx
{
public static T GetValueFromDescription<T>(string description) where T : Enum
{
foreach(var field in typeof(T).GetFields())
{
if (Attribute.GetCustomAttribute(field,
typeof(DescriptionAttribute)) is DescriptionAttribute attribute)
{
if (attribute.Description == description)
return (T)field.GetValue(null);
}
else
{
if (field.Name == description)
return (T)field.GetValue(null);
}
}
throw new ArgumentException("Not found.", nameof(description));
// Or return default(T);
}
}
var panda = EnumEx.GetValueFromDescription<Animal>("Giant Panda");reflection get enum value C#
System.Type enumType = typeof(TestEnum);
System.Type enumUnderlyingType = System.Enum.GetUnderlyingType(enumType);
System.Array enumValues = System.Enum.GetValues(enumType);
for (int i=0; i < enumValues.Length; i++)
{
// Retrieve the value of the ith enum item.
object value = enumValues.GetValue(i);
// Convert the value to its underlying type (int, byte, long, ...)
object underlyingValue = System.Convert.ChangeType(value, enumUnderlyingType);
System.Console.WriteLine(underlyingValue);
}reflection get enum value C#
object underlyingValue = Convert.ChangeType(value, Enum.GetUnderlyingType(value.GetType()));Copyright © 2021 Codeinu
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