This exception is thrown when two uncombinable delegates are combined; see Delegate and MulticastDelegate for details regarding what constitutes combinable delegates. public sealed class MulticastNotSupportedException : SystemException { // Public Constructors public MulticastNotSupportedException ( ); public MulticastNotSupportedException (string message ); public MulticastNotSupportedException (string message , Exception inner ); } HierarchyObject Exception(System.Runtime.Serialization.ISerializable) SystemException MulticastNotSupportedException |