send() [3/3]

size_t xtd::net::sockets::udp_client::send	(	const std::vector< xtd::byte > &	dgram,
		size_t	bytes
	)

xtd::net::sockets::udp_client::sends a UDP datagram to a remote host.

Parameters

dgram	An array of type Byte that specifies the UDP datagram that you intend to send represented as an array of bytes.
bytes	The number of bytes in the datagram.

Returns

The number of bytes sent.

Exceptions

xtd::net::sockets::socket_exception	An error occurred when attempting to access the underlying socket.
xtd::object_closed_exception	The underlying xtd::net::sockets::socket has been closed.

Remarks

This overload sends datagrams to the remote host established in the xtd::net::sockets::udp_client::connect method and returns the number of bytes sent. If you do not call xtd::net::sockets::udp_client::connect before calling this overload, the xtd::net::sockets::udp_client::send method will throw a xtd::net::sockets::socket_exception. If you receive a xtd::net::sockets::socket_exception, use xtd::net::sockets::socket_exception.ErrorCode to obtain the specific error code. Once you have obtained this code, you can refer to the Windows Sockets version 2 API error code documentation for a detailed description of the error.

If you want to send datagrams to a different remote host, you must call the xtd::net::sockets::udp_client::connect method and specify the desired remote host. Use either of the other xtd::net::sockets::udp_client::send method overloads to send datagrams to a broadcast address.

Note

If you receive a xtd::net::sockets::socket_exception, use the xtd::net::sockets::socket_exception::error_code property to obtain the specific error code. After you have obtained this code, refer to the Windows Sockets version 2 API error code documentation in the MSDN library for a detailed description of the error.