Gets or sets the path to a DateTime value on the source task item to serve as the task start date and time, or null to indicate that the start date and time is not provided by the source task item. The start date and time of a parent task will be based on the start date and time values of its children. It is recommended to set this property. This is a dependency property.

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

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