SocketOptionLevel 枚举
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
public enum class SocketOptionLevel
public enum SocketOptionLevel
type SocketOptionLevel =
Public Enum SocketOptionLevel
- 继承
字段
IP | 0 | Socket 选项仅适用于 IP 套接字。 |
IPv6 | 41 | Socket 选项仅适用于 IPv6 套接字。 |
Socket | 65535 | Socket 选项适用于所有套接字。 |
Tcp | 6 | Socket 选项仅适用于 TCP 套接字。 |
Udp | 17 | Socket 选项仅适用于 UDP 套接字。 |
示例
以下示例使用此枚举来设置套接字选项。
// Specifies that send operations will time-out
// if confirmation is not received within 1000 milliseconds.
s->SetSocketOption( SocketOptionLevel::Socket, SocketOptionName::SendTimeout, 1000 );
// Specifies that the Socket will linger for 10 seconds after Close is called.
LingerOption^ lingerOption = gcnew LingerOption( true,10 );
s->SetSocketOption( SocketOptionLevel::Socket, SocketOptionName::Linger, lingerOption );
// Send operations will time-out if confirmation
// is not received within 1000 milliseconds.
s.SetSocketOption (SocketOptionLevel.Socket, SocketOptionName.SendTimeout, 1000);
// The socket will linger for 10 seconds after Socket.Close is called.
LingerOption lingerOption = new LingerOption (true, 10);
s.SetSocketOption (SocketOptionLevel.Socket, SocketOptionName.Linger, lingerOption);
'Send operations will time-out if confirmation is
' not received within 1000 milliseconds.
s.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.SendTimeout, 1000)
' The socket will linger for 10 seconds after Socket.Close is called.
Dim lingerOption As New LingerOption(True, 10)
s.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Linger, lingerOption)
注解
SocketOptionLevel枚举定义可传递给Socket.SetSocketOption和Socket.GetSocketOption方法的套接字选项级别。 SocketOptionName 枚举值按 SocketOptionLevel.
注意 若要在 Windows XP 上使用 IPv6,请安装适用于 Windows XP 的高级网络包。