public override void WriteToString( ref string nodeInfo, ref string connectionsInfo )
 {
     base.WriteToString( ref nodeInfo, ref connectionsInfo );
     IOUtils.AddFieldValueToString( ref nodeInfo, IOUtils.Matrix4x4ToString( m_defaultValue ) );
 }
 public override void WriteAdditionalClipboardData( ref string nodeInfo )
 {
     base.WriteAdditionalClipboardData( ref nodeInfo );
     IOUtils.AddFieldValueToString( ref nodeInfo, IOUtils.Matrix4x4ToString( m_materialValue ) );
 }