Gets or sets whether an end user can add a new task by drawing the task in the Gantt area's new item row. This is a dependency property.
true, if drawing new tasks is allowed; otherwise, false.
When the GanttView.NewItemRowPosition property is set to Bottom,and the AllowDrawNewTask property is set to true, end users can draw new tasks without the need to enter start and end dates.
When an end user starts drawing a new task, the BeginNewTaskDraw event fires.
If the AllowEditConnectors property is not specified, its value is equal to the AllowEditing property value.