int BindMessage::GetChildMessage(unsigned int i, igtl::MessageBase child)
{
if (i < this->m_ChildMessages.size())
{
child->InitPack();
igtl_header header = (igtl_header *) child->GetPackPointer();
header->version = 1;
strncpy( header->name, this->m_ChildMessages[i].type.c_str(), IGTL_HEADER_TYPE_SIZE);
strncpy( header->device_name, this->m_ChildMessages[i].name.c_str(), IGTL_HEADER_NAME_SIZE);

// Time stamp -- same as the bind message
igtl_uint64 ts  =  m_TimeStampSec & 0xFFFFFFFF;
ts = (ts << 32) | (m_TimeStampSecFraction & 0xFFFFFFFF);
header->timestamp = ts;
header->body_size = this->m_ChildMessages[i].size;
header->crc = 0;

// Convert to network byte order
igtl_header_convert_byte_order(header);
child->Unpack();
child->AllocatePack();

// TODO: Is there any way to avoid this memory copy?
memcpy(child->GetPackBodyPointer(),
       this->m_ChildMessages[i].ptr, this->m_ChildMessages[i].size);

return 1;
}

else
{
return 0;
}
}