## sealed property


A [`VertexDeclaration`](/3d/python-net/aspose.threed.utilities/vertexdeclaration) will be sealed when its been used by TriMesh`1 or [`TriMesh`](/3d/python-net/aspose.threed.entities/trimesh), no more modifications is allowed.
### Definition:
```python
@property
def sealed(self):
    ...
```

### See Also
* module [`aspose.threed.utilities`](../../)
* class [`TriMesh`](/3d/python-net/aspose.threed.entities/trimesh)
* class [`VertexDeclaration`](/3d/python-net/aspose.threed.utilities/vertexdeclaration)