| Name | Description | |
|---|---|---|
 | atStart | Specifies the location of the coordinates of the AlarmZone extents data. |
| half | Determines whether to position the extent half the height above and to the left of its width. |
| m | The identity matrix of extents data rectangle. |
| pfRot | The coordinate of the upper-left corner of the AlarmZone extents data rectangle. |
| rf | The size of AlarmZone extents data rectangle. |