System 2.0.0.0 4.0.0.0 System.ComponentModel.AsyncCompletedEventArgs Instances of this class are passed to a method that is called when a call completes. The methods send an Internet Control Message Protocol (ICMP) echo request asynchronously and wait for a corresponding ICMP echo reply message. The property contains the results of the ICMP echo request.

Provides data for the event.

Property 2.0.0.0 4.0.0.0 System.Net.NetworkInformation.PingReply To be added. If the value of is not , you should not use the values that are returned by the , , and properties. The and properties will return zero, and the property will return null.

Gets an object that contains data that describes an attempt to send an Internet Control Message Protocol (ICMP) echo request message and receive a corresponding ICMP echo reply message.