| Name | Description |
| BarStyles | Overridden. Gets the collection of bar styles redefined for the given task. |
| Calendar | Overridden. Gets or sets a custom calendar for the task. |
| CalendarID | Overridden. Gets or sets the ID of the custom calendar. |
| ConstraintDate | Overridden. Gets or sets the start (finish) date for a start (finish) date constraint. |
| ConstraintType | Overridden. Gets or sets the type of constraint for scheduling a task. |
| Deadline | Overridden. Gets or sets the task's deadline. |
| Duration | Overridden. Gets or sets the task duration. Duration units are specified by the DurationUnits property. |
| DurationUnits | Overridden. Gets or sets the time units for the task duration. |
| ErrorMessage | Overridden. Gets or sets the error message displayed for the task. |
| FieldStyles | Overridden. Gets the collection of field styles for the given task. |
| Finish | Overridden. Gets or sets (for manual tasks only) the task finish date and time. |
| HideBar | Overridden. Gets or sets a value indicating if the task bar shouldn't appear on the chart. |
| ID | Overridden. Gets or sets the object's auto-generated ID. |
| Inactive | Overridden. Gets or sets a value indicating if the task is inactive. |
| Initialized | Overridden. Indicates whether the Task contains non-empty fields. |
| IsCollapsed | Overridden. Gets or set the task is collapsed or not. |
| IsEdit | (Inherited from C1.C1Schedule.BasePersistableObject) |
| Item | Overridden. Gets the error message for a specific column of the task. |
| Key | (Inherited from C1.C1Schedule.BasePersistableObject) |
| Mode | Overridden. Gets or sets how the task is scheduled (manually or automatically). |
| Name | Overridden. Gets or sets the task name. |
| NextID | Overridden. Gets the next object's ID in collection. |
| Notes | Overridden. Gets or sets notes associated with this task. |
| OutlineLevel | Overridden. Gets the outline level of the task. |
| OutlineParent | Overridden. Gets or sets the the outline parent task. |
| OutlineParentID | Overridden. Gets or sets the outline parent identifier. |
| Parts | Overridden. Gets parts of the task. |
| PercentComplete | Overridden. Gets or sets the completion stage of this task. The value must be between 0 and 1. |
| Predecessors | Overridden. Gets a list of tasks that must be finished/started before this task can start/finish. |
| Project | Gets the owner Project. (Inherited from C1.GanttView.BaseObject) |
| ReflectOnGroup | Overridden. Gets or sets a value indicating whether the task is reflected on group bar. |
| ReflectOnSummary | Overridden. Gets or sets a value indicating whether the task is reflected on summary bar. |
| ResourceNames | Overridden. Gets a string with the list of resources used by this task. |
| ResourceRefs | Overridden. Gets a list of resources used by this task. |
| Start | Overridden. Gets or sets (for manual tasks only) the task start date and time. |
| Successors | Gets the task successors. |
| Summary | Overridden. Gets or sets the task in summary task or not. |