Returns the rank of the process (or processes) that can perform I/O via the normal language facilities. If no such rank exists, the result will be null; if every process can perform I/O, this will return the value anySource.

public static Nullable<int> IORank { get; }

Public Shared ReadOnly Property IORank As Nullable(Of Integer)

public:
static property Nullable<int> IORank {
	Nullable<int> get ();
}