Gets or sets the path to a TimeSpan value on the source task item to serve as the task duration, or null to indicate that the duration is not provided by the source task item. Task duration is computed automatically based on schedule, start date and time, effort, and assignments. The duration of a parent task will be based on the duration values of its children. This is a dependency property.

[BindableAttribute(true)]
public string DurationMemberPath { get; set; }

<BindableAttribute(True)> _
Public Property DurationMemberPath As String