This exception is thrown when an object shows up more than once in the array passed to System.Threading.WaitHandle.WaitAll( ) or System.Threading.WaitHandle.WaitAny( ).

public class DuplicateWaitObjectException : ArgumentException {
// Public Constructors
   public DuplicateWaitObjectException( );
   public DuplicateWaitObjectException(string parameterName);
   public DuplicateWaitObjectException(string parameterName, string message);
// Protected Constructors
   protected DuplicateWaitObjectException(System.Runtime.Serialization.SerializationInfo info,
        System.Runtime.Serialization.StreamingContext context);
}

Hierarchy

Object Exception(System.Runtime.Serialization.ISerializable) SystemException ArgumentException DuplicateWaitObjectException