<CategoryAttribute("Progress")>
<DescriptionAttribute("Raised when the value of the Busy property changes.")>
Public Event BusyChanged As EventHandler

Dim instance As Smtp
Dim handler As EventHandler
 
AddHandler instance.BusyChanged, handler

[CategoryAttribute("Progress")]
[DescriptionAttribute("Raised when the value of the Busy property changes.")]
public event EventHandler BusyChanged

[CategoryAttribute("Progress")]
[DescriptionAttribute("Raised when the value of the Busy property changes.")]
public: __event EventHandler* BusyChanged

[CategoryAttribute("Progress")]
[DescriptionAttribute("Raised when the value of the Busy property changes.")]
public:
event EventHandler^ BusyChanged

' Be sure to import the namespace by putting "Imports Dart.PowerTCP.Mail"
' at the top of your class.

Private Sub BusyTest()
   ' Do something to cause the Busy event to be raised
        
   ' Create a message
   Dim msg As New MessageStream()
   msg.To.Add(New MailAddress("you@test.com"))
   msg.From = New MailAddress("me@test.com")
   msg.Subject = "test"
   msg.Attachments.Add("C:\test\test.bmp")

   Smtp1.Server = "mail.test.com"
   Smtp1.Send(msg)
End Sub

Private Sub Smtp1_BusyChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles Smtp1.BusyChanged
   If Smtp1.Busy Then
      label1.Text = "Socket is busy"
   Else
      label1.Text = "Socket is not busy"
   End If
End Sub

// Be sure to import the namespace by putting "using Dart.PowerTCP.Mail;"
// at the top of your class.

private void BusyTest()
{
   // Do something to cause the Busy event to be raised

   // Create a message
   MessageStream msg = new MessageStream();
   msg.To.Add(new MailAddress("you@test.com"));
   msg.From = new MailAddress("me@test.com");
   msg.Subject = "test";
   msg.Attachments.Add("C:\\test\\test.bmp");
   
   smtp1.Server = "mail.test.com";
   smtp1.Send(msg);
}

private void smtp1_BusyChanged(object sender, System.EventArgs e)
{
   // Check the Busy Property
   if(smtp1.Busy)
      label1.Text = "Socket is busy";
   else
      label1.Text = "Socket is not busy";
}