private void SetTextboxValue() { Serializer ySerializer = new SerializerBuilder().WithTypeConverter(new ContainerTypeConverter()).Build(); if (RB_ScopeFile.Checked) { TB_Input.Text = RB_FormatPlaintext.Checked ? fileCont.ToString() : ySerializer.Serialize(fileCont); } else { TB_Input.Text = fileCont.Messages[msgIndex].ToString(false); } }