C#

namespace LocalizationTools
{
    public class LocalDisplayNameAttribute : DisplayNameAttribute
    {
        public LocalDisplayNameAttribute(string resourceName, string defaultText)
            : base(defaultText)
        {
            m_resourceName = resourceName;
        }
        
        public override string DisplayName
        {
            get
            {
                string name = string.Empty;
                try
                {
                    name = SomeVodoo(base.DisplayNameValue);
                }
                catch (Exception)
                {
                    name = base.DisplayNameValue;
                }
                return name;
            }
        }
        
        private string SomeVodoo(string defaultText)
        {
            // Find out to which class an assembly we belong. Then Find the Properties.Resources of the assembly
            // and find the m_resourceName
        }    
    }
}

public class Foo
{
    [LocalizationTools.LocalDisplayName("DisplayName_ImportantProperty", "Important property XYZ")]
    public int ImportantProperty { get; set; }
}

[LocalizationTools.LocalDisplayName(typeof(SomeClasses.Properties.Resources), "DisplayName_ImportantProperty", "Important property XYZ")]
    public int ImportantProperty { get; set; }
}

public ClassName FindObject(int nKey)
{
  ClassName obj = new ClassName();
  obj = (ClassName)HashTable[nKey];
  return obj;
}

private void buttonOpenFile_Click(object sender, EventArgs e)
{
  using(OpenFileDialog d = new OpenFileDialog())
  {
    d.InitialDirectory = @"D:\";
    d.Filter = "All jpeg files|*.jpg;*.jpeg";
    d.ShowDialog();
    _File = TagLib.File.Create(d.FileName,"image/jpeg", TagLib.ReadStyle.None);
  }
  textBox1.Text = _File.Tag.Comment;
}
private void buttonSaveFile_Click(object sender, EventArgs e)
{
  _File.Tag.Comment = textBox1.Text;
  _File.Save();
}