public enum CylinderChangeTypePublic Enumeration CylinderChangeType| DimensionsChanged | 0 | The dimensions of a Cylinder were changed. |
| ContentChanged | 1 | The content of a Cylinder was changed. |
| NoVisualChanged | 2 | No property which affects the visual representation of a Cylinder was changed. |
| AllCylindersRemoved | 3 | All Cylinder objects were removed from a CylinderCollection. |
| CylinderInserted | 4 | A Cylinder object was inserted into a CylinderCollection. |
| OneCylinderRemoved | 5 | A single Cylinder object was removed from a CylinderCollection. |