How can I get the values of all fields with a given attribute in C#?

Question

I have a struct with fields I want to make into a human-readable list. I created a DisplayName attribute that holds the string I want to appear in the final list:

public struct ColumnMeta {
 [DisplayName("Coords.")]
 public Vec2i Location;

 [DisplayName("Age")]
 public TimeSpan ChunkAge;

 public byte ChunkSize;
}

I can easily print all of the names via

var fields = typeof(ColumnMeta).GetFields();
foreach (var f in fields) {
 foreach (Attribute att in f.GetCustomAttributes(typeof(DisplayNameAttribute))) {
  DisplayNameAttribute dnAtt = (DisplayNameAttribute) att;
  Console.WriteLine(dnAtt.name);
 }
}

This prints Coords. and Age as it should.

However, if I have an instance of ColumnMeta, how can I iterate over fields that have the DisplayName attribute?