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Windows Forms Ping Code Example
The following C# example demonstrates a ping operation in a Windows Forms environment. The operation is executed asynchronously, without blocking the UI.
private void buttonPing_Click(object sender, EventArgs e)
//This application has a User-Interface, which we do not want to block.
//Start launches the specified method on a worker thread.
ping1.Start(ping, new Dart.Sockets.IPEndPoint("www.dart.com", 0).Address);
private void ping(PingSlave slave, object address)
//Ping the passed in address and marshal the results to the UI.
//The ping contains no optional data, a 20 hop TTL and a 5 second timeout.
//This function executes on a worker thread.
ping1.Marshal(slave.GetEchoes((System.Net.IPAddress)address, null, 20, 5000, false));
private void ping1_Echo(object sender, EchoEventArgs e)
//This event is raised when a GetEchoes result is passed to the UI.
string results = "The following echoes were returned:\r\n";
for (int i = 0; i < e.Echoes.Length; i++)
results += e.Echoes[i].ToString() + "\r\n";
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