Ping.SendPingAsync Method (String, Int32)
Sends an Internet Control Message Protocol (ICMP) echo message with the specified data buffer to the specified computer, and receive a corresponding ICMP echo reply message from that computer as an asynchronous operation. This overload allows you to specify a time-out value for the operation.
Assembly: System (in System.dll)
[HostProtectionAttribute(SecurityAction.LinkDemand, ExternalThreading = true)] public Task<PingReply> SendPingAsync( string hostNameOrAddress, int timeout )
- Type: System.String
The computer that is the destination for the ICMP echo message. The value specified for this parameter can be a host name or a string representation of an IP address.
- Type: System.Int32
The maximum number of milliseconds (after sending the echo message) to wait for the ICMP echo reply message.
This operation will not block. The returned Task<TResult>> object will complete after the ICMP packet has been sent and the response has been received.
The HostProtectionAttribute attribute applied to this type or member has the following Resources property value: ExternalThreading. The HostProtectionAttribute does not affect desktop applications (which are typically started by double-clicking an icon, typing a command, or entering a URL in a browser). For more information, see the HostProtectionAttribute class or SQL Server Programming and Host Protection Attributes.