private void txtOrigen_Drop(object sender, DragEventArgs e)
 {
     byte[] data = e.Data.GetFileData();
     if (data != default)
     {
         txtOrigen.TextWithFormat = Serializar.ToString(data);
     }
 }
 private void txtDestino_Drop(object sender, DragEventArgs e)
 {
     byte[] data = e.Data.GetFileData();
     if (data != default)
     {
         txtDestino.Text = Serializar.ToString(data);
     }
 }
        private string GetContentSelectedFile()
        {
            string         text;
            OpenFileDialog opnFile = new OpenFileDialog();

            if (opnFile.ShowDialog().GetValueOrDefault())
            {
                text = Serializar.ToString(System.IO.File.ReadAllBytes(opnFile.FileName));
            }
            else
            {
                text = string.Empty;
            }

            return(text);
        }