Represents an item in the GanttChartView control aware of its indentation, expansion state (can be expanded or collapsed), start date and time, effort, etc. It is recommended to set at least these data properties: Indentation, Content, Start, Effort, Assignments. These data properties can also be set: IsExpanded, Schedule, Predecessors, Duration, Finish, IsMilestone, Completion, IsCompleted, Cost.

[LocalizabilityAttribute(LocalizationCategory.None)]
public class GanttChartViewItem : ContentControl, 
	ITaskItem

<LocalizabilityAttribute(LocalizationCategory.None)> _
Public Class GanttChartViewItem _
	Inherits ContentControl _
	Implements ITaskItem