System.Net.Socket.TSocket.DoListen

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Delphi

procedure DoListen(QueueSize: Integer = -1); virtual;

C++

virtual void __fastcall DoListen(int QueueSize = 0xffffffff);

Properties

Type	Visibility	Source	Unit	Parent
procedure function	protected	System.Net.Socket.pas System.Net.Socket.hpp	System.Net.Socket	TSocket

Description

Binds your socket to a local IP address and configures the socket to begin accepting incoming connections.

QueueSize determines the maximum length of the queue of pending connections. Use -1 for the maximum recommended length of the queue (default).

Exceptions

A call to DoListen can raise any of the following exceptions:

Exception	Exception.Message	Scenarios
ESocketError	Network socket error: <error message> (<error code>), on API 'listen'	The operating system reported an error while configuring your socket to listen for incoming connections. For more information, see the following documentation for the operating system where your application was running: Windows: listen function (MSDN) OS X: listen (OS X Man Pages) iOS: listen (iOS Manual Pages) Android: listen (Linux Programmer's Manual) Linux: listen (Linux Programmer's Manual)

DoListen calls some methods that may raise exceptions of their own:

• DoBind

See Also

• System.Net.Socket.TSocket.Listen

• System.Net.Socket.TSocket.DoBind

• listen function (MSDN)