dplayconnect_createform.cs

《.NET游戏编程入门经典－c#篇》

//-----------------------------------------------------------------------------
// File: DPlayConnect_CreateForm.cs
//
// Desc: Application class for the DirectPlay samples framework.
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
using System;
using System.Collections;
using System.Windows.Forms;
using Microsoft.DirectX;
using Microsoft.DirectX.DirectPlay;




/// <summary>
/// This form will allow you to create a new session, and set certain properties
/// of the session.
/// </summary>
public class CreateSessionForm : System.Windows.Forms.Form
{
    private Peer peer;
    private ConnectWizard connectionWizard;
    private Address deviceAddress;

    private System.Windows.Forms.Button btnOK;
    private System.Windows.Forms.TextBox txtSession;
    private System.Windows.Forms.Label label1;
    private System.Windows.Forms.GroupBox groupBox1;
    private System.Windows.Forms.RadioButton notSignedRadio;
    private System.Windows.Forms.RadioButton fullSignedRadio;
    private System.Windows.Forms.RadioButton fastSignedRadio;
    private System.Windows.Forms.CheckBox migrateHostCheckBox;
    private System.Windows.Forms.CheckBox useDPNSVRCheckBox;
    private System.Windows.Forms.TextBox localPortTextBox;
    private System.Windows.Forms.Label localPortLabel;
    private System.Windows.Forms.Button btnCancel;



    /// <summary>
    /// Constructor
    /// </summary>
    public CreateSessionForm(Peer peerObject, Address addressObject, ConnectWizard connectionWizard)
    {
        //
        // Required for Windows Form Designer support
        //
        InitializeComponent();

        peer = peerObject;
        this.connectionWizard = connectionWizard;
        deviceAddress = addressObject;
        txtSession.Text = null;
        this.Text = connectionWizard.SampleName + " - " + this.Text;
        //Get the default session from the registry if it exists
        Microsoft.Win32.RegistryKey regKey = Microsoft.Win32.Registry.CurrentUser.OpenSubKey("Software\\Microsoft\\DirectX\\SDK\\csDPlay");
        if (regKey != null)
        {
            // Get session name
            txtSession.Text = (string)regKey.GetValue("DirectPlaySessionName", null);
        
            // Get host migration option
            if (regKey.GetValue("DirectPlayMigrateHost",null) != null)
            {
                migrateHostCheckBox.Checked = ((int)regKey.GetValue("DirectPlayMigrateHost",1)==1);
            }
        
        
            // Get session signing option
            if (regKey.GetValue("DirectPlaySessionSigning",null) != null)
            {
                if ("Full" == (string)regKey.GetValue("DirectPlaySessionSigning",null))
                    fullSignedRadio.Checked = true;
                else if ("Fast" == (string)regKey.GetValue("DirectPlaySessionSigning",null))
                    fastSignedRadio.Checked = true;
                else
                    notSignedRadio.Checked = true;
            }

            regKey.Close();
        }

        // Set default port value and hide port UI if provider doesn't use them
        Port = connectionWizard.DefaultPort;
        if (!ConnectWizard.ProviderRequiresPort(deviceAddress.ServiceProvider)) 
        {
            localPortTextBox.Hide();
            localPortLabel.Hide();
        }
    }



    /// <summary>
    /// The port on which to host
    /// </summary>
    public int Port
    {
        get
        {
            int port = 0;

            try 
            { 
                port = int.Parse(localPortTextBox.Text); 
            } 
            catch {}

            return port;
        }
        set 
        { 
            if( value > 0 )
                localPortTextBox.Text = value.ToString(); 
        }
    }




    /// <summary>
    /// Clean up any resources being used.
    /// </summary>
    protected override void Dispose(bool Disposing)
    {
        base.Dispose(Disposing);
    }




#region Windows Form Designer generated code
    /// <summary>
    /// Required method for Designer support - do not modify
    /// the contents of this method with the code editor.
    /// </summary>
    private void InitializeComponent()
    {
		this.txtSession = new System.Windows.Forms.TextBox();
		this.label1 = new System.Windows.Forms.Label();
		this.btnOK = new System.Windows.Forms.Button();
		this.btnCancel = new System.Windows.Forms.Button();
		this.groupBox1 = new System.Windows.Forms.GroupBox();
		this.fullSignedRadio = new System.Windows.Forms.RadioButton();
		this.fastSignedRadio = new System.Windows.Forms.RadioButton();
		this.notSignedRadio = new System.Windows.Forms.RadioButton();
		this.migrateHostCheckBox = new System.Windows.Forms.CheckBox();
		this.useDPNSVRCheckBox = new System.Windows.Forms.CheckBox();
		this.localPortLabel = new System.Windows.Forms.Label();
		this.localPortTextBox = new System.Windows.Forms.TextBox();
		this.groupBox1.SuspendLayout();
		this.SuspendLayout();
		// 
		// txtSession
		// 
		this.txtSession.Location = new System.Drawing.Point(96, 24);
		this.txtSession.Name = "txtSession";
		this.txtSession.Size = new System.Drawing.Size(176, 20);
		this.txtSession.TabIndex = 3;
		this.txtSession.Text = "SpaceWar";
		// 
		// label1
		// 
		this.label1.Location = new System.Drawing.Point(16, 28);
		this.label1.Name = "label1";
		this.label1.Size = new System.Drawing.Size(288, 12);
		this.label1.TabIndex = 2;
		this.label1.Text = "Session Name:";
		// 
		// btnOK
		// 
		this.btnOK.Location = new System.Drawing.Point(128, 168);
		this.btnOK.Name = "btnOK";
		this.btnOK.Size = new System.Drawing.Size(74, 27);
		this.btnOK.TabIndex = 0;
		this.btnOK.Text = "OK";
		this.btnOK.Click += new System.EventHandler(this.btnOK_Click);
		// 
		// btnCancel
		// 
		this.btnCancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
		this.btnCancel.Location = new System.Drawing.Point(208, 168);
		this.btnCancel.Name = "btnCancel";
		this.btnCancel.Size = new System.Drawing.Size(74, 27);
		this.btnCancel.TabIndex = 1;
		this.btnCancel.Text = "Cancel";
		// 
		// groupBox1
		// 
		this.groupBox1.Controls.Add(this.fullSignedRadio);
		this.groupBox1.Controls.Add(this.fastSignedRadio);
		this.groupBox1.Controls.Add(this.notSignedRadio);
		this.groupBox1.Location = new System.Drawing.Point(16, 64);
		this.groupBox1.Name = "groupBox1";
		this.groupBox1.Size = new System.Drawing.Size(112, 88);
		this.groupBox1.TabIndex = 10;
		this.groupBox1.TabStop = false;
		this.groupBox1.Text = "Session Signing";
		this.groupBox1.Visible = false;
		// 
		// fullSignedRadio
		// 
		this.fullSignedRadio.Location = new System.Drawing.Point(18, 22);
		this.fullSignedRadio.Name = "fullSignedRadio";
		this.fullSignedRadio.Size = new System.Drawing.Size(80, 16);
		this.fullSignedRadio.TabIndex = 9;
		this.fullSignedRadio.Text = "Full signed";
		// 
		// fastSignedRadio
		// 
		this.fastSignedRadio.Checked = true;
		this.fastSignedRadio.Location = new System.Drawing.Point(18, 41);
		this.fastSignedRadio.Name = "fastSignedRadio";
		this.fastSignedRadio.Size = new System.Drawing.Size(88, 16);
		this.fastSignedRadio.TabIndex = 8;
		this.fastSignedRadio.TabStop = true;
		this.fastSignedRadio.Text = "Fast signed";
		// 
		// notSignedRadio
		// 
		this.notSignedRadio.Location = new System.Drawing.Point(18, 55);
		this.notSignedRadio.Name = "notSignedRadio";
		this.notSignedRadio.Size = new System.Drawing.Size(72, 24);
		this.notSignedRadio.TabIndex = 10;
		this.notSignedRadio.Text = "Disabled";
		// 
		// migrateHostCheckBox
		// 
		this.migrateHostCheckBox.Location = new System.Drawing.Point(144, 64);
		this.migrateHostCheckBox.Name = "migrateHostCheckBox";
		this.migrateHostCheckBox.Size = new System.Drawing.Size(136, 24);
		this.migrateHostCheckBox.TabIndex = 11;
		this.migrateHostCheckBox.Text = "Enable Host Migration";
		this.migrateHostCheckBox.Visible = false;
		// 
		// useDPNSVRCheckBox
		// 
		this.useDPNSVRCheckBox.Location = new System.Drawing.Point(144, 84);
		this.useDPNSVRCheckBox.Name = "useDPNSVRCheckBox";
		this.useDPNSVRCheckBox.Size = new System.Drawing.Size(136, 24);
		this.useDPNSVRCheckBox.TabIndex = 12;
		this.useDPNSVRCheckBox.Text = "Use DPNSVR";
		this.useDPNSVRCheckBox.Visible = false;
		// 
		// localPortLabel
		// 
		this.localPortLabel.Location = new System.Drawing.Point(152, 122);
		this.localPortLabel.Name = "localPortLabel";
		this.localPortLabel.Size = new System.Drawing.Size(64, 17);
		this.localPortLabel.TabIndex = 13;
		this.localPortLabel.Text = "Local Port:";
		// 
		// localPortTextBox
		// 
		this.localPortTextBox.Location = new System.Drawing.Point(216, 120);
		this.localPortTextBox.Name = "localPortTextBox";
		this.localPortTextBox.Size = new System.Drawing.Size(56, 20);
		this.localPortTextBox.TabIndex = 14;
		this.localPortTextBox.Text = "2580";
		// 
		// CreateSessionForm
		// 
		this.AcceptButton = this.btnOK;
		this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
		this.CancelButton = this.btnCancel;
		this.ClientSize = new System.Drawing.Size(290, 200);
		this.ControlBox = false;
		this.Controls.Add(this.localPortTextBox);
		this.Controls.Add(this.localPortLabel);
		this.Controls.Add(this.useDPNSVRCheckBox);
		this.Controls.Add(this.migrateHostCheckBox);
		this.Controls.Add(this.txtSession);
		this.Controls.Add(this.label1);
		this.Controls.Add(this.groupBox1);
		this.Controls.Add(this.btnOK);
		this.Controls.Add(this.btnCancel);
		this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
		this.HelpButton = true;
		this.MaximizeBox = false;
		this.MinimizeBox = false;
		this.Name = "CreateSessionForm";
		this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
		this.Text = "Create a Session";
		this.HelpRequested += new System.Windows.Forms.HelpEventHandler(this.CreateSessionForm_HelpRequested);
		this.groupBox1.ResumeLayout(false);
		this.ResumeLayout(false);

	}
#endregion




    /// <summary>
    /// We are ready to create a session.  Ensure the data is valid
    /// then create the session
    /// </summary>
    private void btnOK_Click(object sender, System.EventArgs e)
    {
        ApplicationDescription dpApp;
        if ((txtSession.Text == null) || (txtSession.Text == ""))
        {
            MessageBox.Show(this,"Please enter a session name before clicking OK.","No sessionname",MessageBoxButtons.OK,MessageBoxIcon.Information);
            return;
        }

        Microsoft.Win32.RegistryKey regKey = Microsoft.Win32.Registry.CurrentUser.CreateSubKey("Software\\Microsoft\\DirectX\\SDK\\csDPlay");
        if (regKey != null)
        {
            regKey.SetValue("DirectPlaySessionName", txtSession.Text);
            if (migrateHostCheckBox.Checked)
                regKey.SetValue("DirectPlayMigrateHost",1);
            else
                regKey.SetValue("DirectPlayMigrateHost",0);

            if (fastSignedRadio.Checked)
                regKey.SetValue("DirectPlaySessionSigning","Fast");
            else if (fullSignedRadio.Checked)
                regKey.SetValue("DirectPlaySessionSigning","Full");
            else
                regKey.SetValue("DirectPlaySessionSigning","Disabled");
            regKey.Close();
        }

        dpApp = new ApplicationDescription();
        dpApp.GuidApplication = connectionWizard.ApplicationGuid;
        dpApp.SessionName = txtSession.Text;
        dpApp.Flags = 0;
		dpApp.MaxPlayers = 2;
    
        if (migrateHostCheckBox.Checked)
            dpApp.Flags |= SessionFlags.MigrateHost;

        if (!useDPNSVRCheckBox.Checked)
            dpApp.Flags |= SessionFlags.NoDpnServer;

        if (fastSignedRadio.Checked)
            dpApp.Flags |= SessionFlags.FastSigned;
        else if (fullSignedRadio.Checked)
            dpApp.Flags |= SessionFlags.FullSigned;

        // Specify the port number if available
        if (ConnectWizard.ProviderRequiresPort(deviceAddress.ServiceProvider))
        {
            if (Port > 0)
                deviceAddress.AddComponent(Address.KeyPort, Port);
        }

        connectionWizard.SetUserInfo();
        // Host a game on deviceAddress as described by dpApp
        // HostFlags.OkToQueryForAddressing allows DirectPlay to prompt the user
        // using a dialog box for any device address information that is missing
        peer.Host(dpApp,deviceAddress,HostFlags.OkToQueryForAddressing);
        this.DialogResult = DialogResult.OK;
    }

    private void CreateSessionForm_HelpRequested(object sender, System.Windows.Forms.HelpEventArgs hlpevent)
    {
        
    }
}