How to Access Enum value using its custom Attribute?

Try this:

using System;

using System.Reflection;

public class PropertyAttribute : Attribute

{

private string value;

public PropertyAttribute(string value)

{

this.value = value;

}

public class TitleAttribute : Attribute

{

private string value;

public TitleAttribute(string value)

{

this.value = value;

}

public enum Locations

{

[Property ("job-view")]

[Title ("analyics-job-view")]

JobViewValue

}

class Program

{

static void Main()

{

Type enumType = typeof(Locations);

Type attribType = typeof(PropertyAttribute);

string attribValue = "job-view";

BindingFlags bf = BindingFlags.Public | BindingFlags.Static;

FieldInfo[] fia = enumType.GetFields(bf);

bool found = false;

foreach(FieldInfo fi in fia)

{

foreach(CustomAttributeData cad in fi.CustomAttributes)

{

if (cad.AttributeType == attribType)

{

foreach(CustomAttributeTypedArgument cata in cad.ConstructorArguments)

{

if (cata.Value.ToString() == attribValue)

{

Console.WriteLine("Found : {0} = {1}", fi.Name, (int)fi.GetValue(null));

found = true;

goto end;

}

end:

if (!found)

{

Console.WriteLine("No corresponding enum member was found");

}

Console.ReadKey();

}

The output should be:

Found : JobViewValue = 3

2 Replies

Know the answer? Post it — somebody with the same question will find it here.

Suhas D12y ago
woks with above .net 3.5
Vulpes12y ago
Try this:

using System;
using System.Reflection;

public class PropertyAttribute : Attribute
{
private string value;

public PropertyAttribute(string value)
{
this.value = value;
}

}

public class TitleAttribute : Attribute
{
private string value;

public TitleAttribute(string value)
{
this.value = value;
}
}

public enum Locations
{
[Property ("job-view")]
[Title ("analyics-job-view")]
JobViewValue
}

class Program
{
static void Main()
{
Type enumType = typeof(Locations);
Type attribType = typeof(PropertyAttribute);
string attribValue = "job-view";
BindingFlags bf = BindingFlags.Public | BindingFlags.Static;
FieldInfo[] fia = enumType.GetFields(bf);
bool found = false;

foreach(FieldInfo fi in fia)
{
foreach(CustomAttributeData cad in fi.CustomAttributes)
{
if (cad.AttributeType == attribType)
{
foreach(CustomAttributeTypedArgument cata in cad.ConstructorArguments)
{
if (cata.Value.ToString() == attribValue)
{
Console.WriteLine("Found : {0} = {1}", fi.Name, (int)fi.GetValue(null));
found = true;
goto end;
}
}
}

}
}

end:

if (!found)
{
Console.WriteLine("No corresponding enum member was found");
}

Console.ReadKey();
}
}

The output should be:

Found : JobViewValue = 3