Returns the method base from the given System.Runtime.Remoting.Messaging.IMethodMessage.
The method base extracted from the msg parameter.
This determines the method base from the System.Runtime.Remoting.Messaging.IMethodMessage.TypeName, System.Runtime.Remoting.Messaging.IMethodMessage.MethodName, and System.Runtime.Remoting.Messaging.IMethodMessage.MethodSignature properties of System.Runtime.Remoting.Messaging.IMethodMessage and is used by classes implementing the System.Runtime.Remoting.Messaging.IMethodMessage interface. Consumers of System.Runtime.Remoting.Messaging.IMethodMessage classes should reference the System.Runtime.Remoting.Messaging.IMethodMessage.MethodBase property.