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PowerTCP SSL Sockets for .NET |
| Dart.PowerTCP.SslSockets Namespace > Udp Class : MulticastInterface Property |
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PowerTCP SSL Sockets for .NET |
| Dart.PowerTCP.SslSockets Namespace > Udp Class : MulticastInterface Property |
Gets or sets the host interface to use when sending multicast datagrams.
[Visual Basic]
<DesignerSerializationVisibilityAttribute()>
<DescriptionAttribute("Gets and Sets the host interface to use for sending multicast packets.")>
<BrowsableAttribute(False)>
Public Property MulticastInterface As IPAddress[C#]
[DesignerSerializationVisibilityAttribute()]
[DescriptionAttribute("Gets and Sets the host interface to use for sending multicast packets.")]
[BrowsableAttribute(false)]
public IPAddress MulticastInterface {get; set;}[C++]
[DesignerSerializationVisibilityAttribute()]
[DescriptionAttribute("Gets and Sets the host interface to use for sending multicast packets.")]
[BrowsableAttribute(false)]
public: __property IPAddress* get_MulticastInterface();
public: __property void set_MulticastInterface(
IPAddress* value
);[C++/CLI]
[DesignerSerializationVisibilityAttribute()]
[DescriptionAttribute("Gets and Sets the host interface to use for sending multicast packets.")]
[BrowsableAttribute(false)]
public:
property IPAddress^ MulticastInterface {
IPAddress^ get();
void set (IPAddress^ value);
}The local IPEndPoint that the Udp object is using to send/receive multicasted datagrams.
This property is useful if the host has multiple interfaces and you wish to explicitly set the interface to use when sending datagrams to multicast addresses.
The following example demonstrates using multicasting functionality to create a simple chat client.
[Visual Basic]
' The IPAddress representing the multicast address.
Private add As System.Net.IPAddress = System.Net.IPAddress.Parse("239.255.255.254")
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
' Allocate a socket for listening for datagrams.
Udp1.Open("MyHost", 1111)
' Join the specified multicast group.
Udp1.JoinMulticastGroup(add)
' Specify an interface to use for multicasting (assuming the host has multiple interfaces)
Udp1.MulticastInterface = System.Net.IPAddress.Parse("192.168.1.2")
' Increase the datagram TTL for multicasting
Udp1.MulticastTimeToLive = 2
' Begin asynchronously receiving data
Dim buffer(Udp1.BufferSize) As Byte
Udp1.BeginReceive(buffer)
End Sub
Private Sub Udp1_EndReceive(ByVal sender As Object, ByVal e As DatagramEventArgs) Handles Udp1.EndReceive
' Data received. Display
txtData.Text += e.Datagram.ToString() + vbCrLF
' Begin asynchronously receiving data
Dim buffer(Udp1.BufferSize) As Byte
Udp1.BeginReceive(buffer)
End Sub
Private Sub cmdSend_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdSend.Click
' Send button clicked. Send the contents of txtSend.
Udp1.Send(txtSend.Text, add.ToString(), 1111)
End Sub
Private Sub cmdLeave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdLeave.Click
' Leave group button clicked. Leave the group.
Udp1.LeaveMulticastGroup(add)
End Sub
[C#]
// The IPAddress representing the multicast address.
private System.Net.IPAddress
add = System.Net.IPAddress.Parse("239.255.255.254");
private void Form1_Load(object sender, System.EventArgs e)
{
// Allocate a socket for listening for datagrams.
udp1.Open("MyHost", 1111);
// Join the specified multicast group.
udp1.JoinMulticastGroup(add);
// Specify an interface for multicasting (assuming the host has multiple interfaces)
udp1.MulticastInterface = System.Net.IPAddress.Parse("192.168.1.2");
// Increase the datagram TTL for multicasting
udp1.MulticastTimeToLive = 2;
// Begin asynchronously receiving data
byte[] buffer = new byte[udp1.BufferSize];
udp1.BeginReceive(buffer);
}
private void udp1_EndReceive(object
sender, DatagramEventArgs e)
{
// Data received. Display
txtData.Text += e.Datagram.ToString() + "\r\n";
// Begin asynchronously receiving data
byte[] buffer = new byte[udp1.BufferSize];
udp1.BeginReceive(buffer);
}
private void cmdSend_Click(object
sender, System.EventArgs e)
{
// Send button clicked. Send the contents of txtSend.
udp1.Send(txtSend.Text, add.ToString(), 1111);
}
private void cmdLeave_Click(object
sender, System.EventArgs e)
{
// Leave group button clicked. Leave the group.
udp1.LeaveMulticastGroup(add);
}
Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family
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Documentation version 1.1.2.0.
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