| Name | Value | Description |
|---|---|---|
| MESH_NOTIFY | 0x0001 | Fire a mesh changed event |
| MESH_NORMALS | 0x0002 | Calculate vertex normals |
| MESH_UPDATE | 0x0004 | Update the menu and toolbar states and repaint the view window |
| MESH_NO_VERTS | 0x0008 | Exclude vertex info from the operation |
| MESH_NO_TRIS | 0x0010 | Exclude triangle info from the operation |
| MESH_UNDO | 0x0020 | Unused |
| MESH_NORMAL_INFO | 0x0040 | Generate list of unique normals |