target_block::propagate Method

Asynchronously passes a message from a source block to this target block.

virtual message_status propagate(
   _Inout_opt_ message<_Source_type> * _PMessage,
   _Inout_opt_ ISource<_Source_type> * _PSource
);

Parameters

• _PMessage
  A pointer to the message object.

• _PSource
  A pointer to the source block offering the message.

Return Value

A message_status indication of what the target decided to do with the message.

Remarks

The method throws an invalid_argument exception if either the _PMessage or _PSource parameter is NULL.

Requirements

Header: agents.h

Namespace: concurrency

See Also

Reference

target_block Class