/// <summary>
/// Connect to the currently selected session
/// </summary>
public void ConnectToSession()
{
// Display connection dialog
ConnectDialog dialog = new ConnectDialog(this);
dialog.RemotePort = DefaultPort;
if (DialogResult.Cancel == dialog.ShowDialog())
{
return;
}
// Update the UI
m_Form.SessionStatusLabel.Text = "Connecting...";
m_Form.Update();
// Store connection dialog choices
HostInfo SelectedHost = dialog.SelectedHost;
if (SelectedHost == null)
{
return;
}
// Create an application description object to hold the desired
// host's instance guid.
ApplicationDescription appDesc = new ApplicationDescription();
appDesc.GuidInstance = SelectedHost.GuidInstance;
// Attempt to connect to the selected DirectPlay session. Once we
// are connected to the session, we will receive DirectPlay messages
// about session events (like players joining/exiting and received game
// data). Since we're passing in the "Sync" flag, the Connect call will
// block until the session is connected or the timeout expires.
try
{
m_Peer.Connect(appDesc, // Application description
SelectedHost.HostAddress, // Host address
m_LocalAddress, // Local device address
null, // User connection data (none)
ConnectFlags.Sync); // Flags
m_SessionName = SelectedHost.SessionName;
m_Connection = ConnectionType.Connected;
}
catch (Exception ex)
{
m_Form.ShowException(ex, "Connect", false);
return;
}
}
//---------------------------------------------------------------------
#endregion // DirectPlay Object Initializations
#region DirectPlay Event Handlers
//---------------------------------------------------------------------
/// <summary>
/// Event handler for the DirectPlay FindHostResponse message
/// </summary>
public void FindHostResponseHandler(object sender, FindHostResponseEventArgs args)
{
HostInfo Node = new HostInfo();
Node.GuidInstance = args.Message.ApplicationDescription.GuidInstance;
Node.HostAddress = (Address)args.Message.AddressSender.Clone();
Node.SessionName = args.Message.ApplicationDescription.SessionName;
// If he haven't already seen this host, add the detected session
// to the stored list
if (!FoundSessions.Contains(Node))
{
FoundSessions.Add(Node);
}
}
public string SessionName; // Display name for the session
/// <summary>
/// Used by the system collection class
/// </summary>
public override bool Equals(object obj)
{
HostInfo node = (HostInfo)obj;
return(GuidInstance.Equals(node.GuidInstance));
}
/// <summary>
/// Handler for Connect button click
/// </summary>
private void ConnectButton_Click(object sender, System.EventArgs e)
{
// Save the current settings
m_SelectedHost = (HostInfo)DetectedSessionsListBox.SelectedItem;
DialogResult = DialogResult.OK;
}
