Main task. If set the parallel will run as long as the main task runs. When the main task ends, all other tasks which still run are aborted. If not set the parallel will run as long as any task runs.

public ITask MainTask { get; set; }

Public Property MainTask As ITask
	Get
	Set

public:
property ITask^ MainTask {
	ITask^ get ();
	void set (ITask^ value);
}

member MainTask : ITask with get, set