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资源说明：c# create VPN connection
VPN-
====
this is code for create vpn connection using c# .
just asking you IPAddress or phone number and password
Just using dotRas api, u can download ditras api then referenced dll in your project.
this code is worked for windows xp,windows 7 ,windows 8,as well as server environment.
public const string ConnectionName = "Test"
private RasHandle handle = null;
RasEntry entry;
public bool IsExistCon = false;
private void BtnDial_Click(object sender, EventArgs e)
{
foreach (RasConnection rasCon in RasConnection.GetActiveConnections())
{
if (rasCon.EntryName == ConnectionName)
{
IsExistCon = true;
}
}
if (IsExistCon == true)
{
BtnDial.Enabled = false;
BtnHangUp.Enabled = true;
StatusTextBox.AppendText("VPN Connection already running");
}
else
{
//string Rpath= System.Windows.Forms.Application.StartupPath+"\\Resources\\rasphone.pbk";
//string ppath = Directory.GetParent(Application.ExecutablePath).FullName+"\\Pbk\\";
string targetPath1 = Path.Combine(
Environment.GetFolderPath(
Environment.SpecialFolder.ApplicationData)) + "\\Microsoft\\Network\\Connections\\Pbk";
string targetPath = Path.Combine(
Environment.GetFolderPath(
Environment.SpecialFolder.ApplicationData)) + "\\Microsoft\\Network\\Connections\\Pbk";
bool checkUser = false;
if (targetPath.Contains("Roaming"))
{
rasUsersPhoneBook.Open(targetPath + "\\rasphone.pbk");
checkUser = true;
}
else
{
rasUsersPhoneBook.Open();
}
DateTime srt = DateTime.Now;
string VPName = ConnectionName;
entry = RasEntry.CreateVpnEntry(VPName, txtIPaddress.Text, RasVpnStrategy.Default,
RasDevice.GetDeviceByName("(PPTP)", RasDeviceType.Vpn));
entry.Options.RemoteDefaultGateway = false;
entry.Options.Internet = true;
if (!this.rasUsersPhoneBook.Entries.Contains(entry.Name))
{
this.rasUsersPhoneBook.Entries.Add(entry);
}
this.StatusTextBox.Clear();
this.Dialer.EntryName = ConnectionName;
if (checkUser == true)
{
this.Dialer.PhoneBookPath = targetPath + "\\rasphone.pbk";
}
else
{
this.Dialer.PhoneBookPath = RasPhoneBook.GetPhoneBookPath(RasPhoneBookType.AllUsers);
}
try
{
// Set the credentials the dialer should use.
this.Dialer.Credentials = new NetworkCredential(txtLoginID.Text, txtPassword.Text);
// NOTE: The entry MUST be in the phone book before the connection can be dialed.
// Begin dialing the connection; this will raise events from the dialer instance.
this.handle = this.Dialer.DialAsync();
//log.Info("Successfully Connected");
// Enable the disconnect button for use later.
this.BtnHangUp.Enabled = true;
this.BtnDial.Enabled = false;
}
catch (Exception ex)
{
this.StatusTextBox.AppendText(ex.ToString());
}
DateTime endtime = DateTime.Now;
TimeSpan avg = endtime - srt;
lbname.Text = "Connected Time";
lbConTime.Text = avg.TotalMilliseconds.ToString() + "ms";
}
}
private void Dialer_StateChanged(object sender, StateChangedEventArgs e)
{
this.StatusTextBox.AppendText(e.State.ToString() + "\r\n");
}
private void Dialer_DialCompleted(object sender, DialCompletedEventArgs e)
{
if (e.Cancelled)
{
this.StatusTextBox.AppendText("Cancelled!");
}
else if (e.TimedOut)
{
this.StatusTextBox.AppendText("Connection attempt timed out!");
}
else if (e.Error != null)
{
this.StatusTextBox.AppendText(e.Error.ToString());
}
else if (e.Connected)
{
this.StatusTextBox.AppendText("Connection successful!");
}
if (!e.Connected)
{
// The connection was not connected, disable the disconnect button.
this.BtnHangUp.Enabled = false;
this.StatusTextBox.AppendText("Connection successful Disconnected!");
}
}
private void BtnHangUp_Click(object sender, EventArgs e)
{
Disconnect();
}
public void Disconnect()
{
DateTime srt = DateTime.Now;
if (this.Dialer.IsBusy)
{
// The connection attempt has not been completed, cancel the attempt.
this.Dialer.DialAsyncCancel();
}
else
{
// The connection attempt has completed, attempt to find the connection in the active connections.
RasConnection connection = RasConnection.GetActiveConnectionByHandle(this.handle);
//foreach (RasConnection connection in RasConnection.GetActiveConnections())
//{
if (connection != null)
{
// The connection has been found, disconnect it.
if (connection.EntryName == ConnectionName)
{
connection.HangUp();
this.rasUsersPhoneBook.Entries.Remove(connection.EntryName);
rasUsersPhoneBook.Dispose();
}
}
//}
}
this.StatusTextBox.Clear();
this.StatusTextBox.AppendText("Connection successful Disconnected!");
this.BtnHangUp.Enabled = false;
this.BtnDial.Enabled = true;
DateTime endtime = DateTime.Now;
TimeSpan avg = endtime - srt;
lbname.Text = "Disconnected Time";
lbConTime.Text = avg.TotalMilliseconds.ToString()+"ms";
}
private void MainVPNWin_FormClosing(object sender, FormClosingEventArgs e)
{
Disconnect();
}
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