private void ResetType()
 {
     serializedObject.Update();
     serializableSystemTypeReference.stringValue = null;
     selectedType = null;
     serializedObject.ApplyModifiedProperties();
 }
        private void SetType(TreeListItem in_item)
        {
            serializedObject.Update();

            selectedType = in_item.DataContext as SerializableSystemTypeTreeView.SystemTypeTreeInfo;
            serializableSystemTypeReference.stringValue = selectedType.fullName;
            serializedObject.ApplyModifiedProperties();
        }