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// pass a pointer to Notify along with the size m_Comms.Notify( "ACOMMS_TRANSMIT_DATA", &packet[0], packet.size() ); // convert to a string and pass to Norify m_Comms.Notify( "ACOMMS_TRANSMIT_DATA", string( (char*) &packet[0], packet.size() ) ); |
Notify will actually use the exact string constructor in the 2nd method if you pass it a pointer, so these two methods are identical. To get your data from ACOMMS_RECEIVED_DATA:
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// say we did something like this in OnNewMail
string msg_string = msg.GetString();
// the .data() method gives us a pointer to the string's data in contiguous memory
memcpy(&data_received.packet_id, msg_string.data(), msg_string.size());
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