Internet Direct (Indy) Version 9.0.2 Beta
TIdUDPBase.BroadcastEnabled
Indicates that the socket binding can perform broadcast transmissions.

property BroadcastEnabled: Boolean;
Description
BroadcastEnabled is a Boolean property used to indicate when the protocol handler is transmitting a datagram destined for all computers on the network. BroadcastEnabled is updated by the Broadcast method, and is used to notify the protocol stack that Binding must include or exclude the socket option for broadcast transmissions.