| Name | Description | |
|---|---|---|
![]()  | CanCreateMark | Overridden. Checks if a new mark can be created. | 
![]()  | DrawPreview | Overridden. Draws a schematic representation of the mark being created before it is created actually. | 
![]()  | ManageCursor | Overridden. Updates a cursor regarding the current mouse position in relation to mark. | 
            