/// <summary>
/// Connect to a VNC Host and determine whether or not the server requires a password.
/// </summary>
/// <param name="host">The IP Address or Host Name of the VNC Host.</param>
/// <param name="display">The Display number (used on Unix hosts).</param>
/// <param name="viewOnly">Determines whether mouse and keyboard events will be sent to the host.</param>
/// <param name="scaled">Determines whether to use desktop scaling or leave it normal and clip.</param>
/// <exception cref="System.ArgumentNullException">Thrown if host is null.</exception>
/// <exception cref="System.ArgumentOutOfRangeException">Thrown if display is negative.</exception>
/// <exception cref="System.InvalidOperationException">Thrown if the RemoteDesktop control is already Connected. See <see cref="VncSharp.RemoteDesktop.IsConnected" />.</exception>
public void Connect(string host, int display, bool viewOnly, bool scaled)
{
// TODO: Should this be done asynchronously so as not to block the UI? Since an event
// indicates the end of the connection, maybe that would be a better design.
InsureConnection(false);
if (host == null)
{
throw new ArgumentNullException("host");
}
if (display < 0)
{
throw new ArgumentOutOfRangeException("display", display, "Display number must be a positive integer.");
}
// Start protocol-level handling and determine whether a password is needed
vnc = new VncClient();
vnc.ConnectionLost += new EventHandler(VncClientConnectionLost);
vnc.ServerCutText += new EventHandler(VncServerCutText);
passwordPending = vnc.Connect(host, display, VncPort, viewOnly);
SetScalingMode(scaled);
if (passwordPending)
{
// Server needs a password, so call which ever method is refered to by the GetPassword delegate.
if ((_Password == null) || (_Password.Length == 0))
{
_Password = GetPassword();
}
if (_Password == null)
{
// No password could be obtained (e.g., user clicked Cancel), so stop connecting
return;
}
else
{
Authenticate(_Password);
}
}
else
{
// No password needed, so go ahead and Initialize here
Initialize();
}
}
static void GetFrame(string ip_address, string password, string output_dir)
{
GotFrame = false;
try
{
VncClient vnc = new VncClient();
vnc.Connect(ip_address);
vnc.Authenticate(password);
vnc.Initialize();
vnc.StartUpdates();
Framebuffer = new Bitmap(vnc.Framebuffer.Width, vnc.Framebuffer.Height, PixelFormat.Format32bppPArgb);
vnc.VncUpdate += new VncUpdateHandler(vnc_VncUpdate);
DateTime FrameGrabTimeout = DateTime.Now.AddSeconds(30);
while (!GotFrame)
{
if (DateTime.Now > FrameGrabTimeout)
break;
Thread.Sleep(500);
}
vnc.Disconnect();
if (output_dir.Length == 0)
output_dir = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase);
DirectoryInfo dir = new DirectoryInfo(output_dir);
dir.Create();
Framebuffer.Save(dir.FullName + "\\" + ip_address + ".png", ImageFormat.Png);
}
catch (ObjectDisposedException s)
{
Console.Write("ERROR authenticating to " + ip_address + ".\n\r");
return;
}
catch (Exception e)
{
Console.Write("ERROR contacting " + ip_address + ". " + e.Message + "\n\r");
return;
}
Console.Write("Captured " + ip_address + "\n\r");
}
/// <summary>
/// Connect to a VNC Host and determine whether or not the server requires a password.
/// </summary>
/// <param name="host">The IP Address or Host Name of the VNC Host.</param>
/// <param name="display">The Display number (used on Unix hosts).</param>
/// <param name="viewOnly">Determines whether mouse and keyboard events will be sent to the host.</param>
/// <param name="scaled">Determines whether to use desktop scaling or leave it normal and clip.</param>
/// <exception cref="System.ArgumentNullException">Thrown if host is null.</exception>
/// <exception cref="System.ArgumentOutOfRangeException">Thrown if display is negative.</exception>
/// <exception cref="System.InvalidOperationException">Thrown if the RemoteDesktop control is already Connected. See <see cref="VncSharp.RemoteDesktop.IsConnected" />.</exception>
public void Connect(string host, int display, bool viewOnly, bool scaled)
{
// TODO: Should this be done asynchronously so as not to block the UI? Since an event
// indicates the end of the connection, maybe that would be a better design.
InsureConnection(false);
if (host == null)
{
throw new ArgumentNullException(nameof(host));
}
if (display < 0)
{
throw new ArgumentOutOfRangeException(nameof(display), display,
"Display number must be a positive integer.");
}
// Start protocol-level handling and determine whether a password is needed
vnc = new VncClient();
vnc.ConnectionLost += VncClientConnectionLost;
vnc.ServerCutText += VncServerCutText;
vnc.ViewOnly = viewOnly;
passwordPending = vnc.Connect(host, display, VncPort, viewOnly);
SetScalingMode(scaled);
if (passwordPending)
{
// Server needs a password, so call which ever method is refered to by the GetPassword delegate.
var password = GetPassword();
if (password != null)
{
Authenticate(password);
}
}
else
{
// No password needed, so go ahead and Initialize here
Initialize();
}
}
/// <summary>
/// Connect to a VNC Host and determine whether or not the server requires a password.
/// </summary>
/// <param name="host">The IP Address or Host Name of the VNC Host.</param>
/// <param name="display">The Display number (used on Unix hosts).</param>
/// <param name="viewOnly">Determines whether mouse and keyboard events will be sent to the host.</param>
/// <param name="scaled">Determines whether to use desktop scaling or leave it normal and clip.</param>
/// <exception cref="System.ArgumentNullException">Thrown if host is null.</exception>
/// <exception cref="System.ArgumentOutOfRangeException">Thrown if display is negative.</exception>
/// <exception cref="System.InvalidOperationException">Thrown if the RemoteDesktop control is already Connected. See <see cref="VncSharp.RemoteDesktop.IsConnected" />.</exception>
public void Connect(string host, int display, bool viewOnly, bool scaled)
{
// TODO: Should this be done asynchronously so as not to block the UI? Since an event
// indicates the end of the connection, maybe that would be a better design.
InsureConnection(false);
if (host == null) throw new ArgumentNullException("host");
if (display < 0) throw new ArgumentOutOfRangeException("display", display, "Display number must be a positive integer.");
// Start protocol-level handling and determine whether a password is needed
vnc = new VncClient();
vnc.ConnectionLost += VncClientConnectionLost;
vnc.ServerCutText += VncServerCutText;
passwordPending = vnc.Connect(host, display, VncPort, viewOnly);
SetScalingMode(scaled);
if (passwordPending)
{
// Server needs a password, so call which ever method is refered to by the GetPassword delegate.
string password = GetPassword();
if (password == null)
{
// No password could be obtained (e.g., user clicked Cancel), so stop connecting
return;
}
else
{
Authenticate(password);
}
}
else
{
// No password needed, so go ahead and Initialize here
Initialize();
}
}
/// <summary>
/// Connect to a VNC Host and determine whether or not the server requires a password.
/// </summary>
/// <param name="host">The IP Address or Host Name of the VNC Host.</param>
/// <param name="display">The Display number (used on Unix hosts).</param>
/// <param name="viewOnly">Determines whether mouse and keyboard events will be sent to the host.</param>
/// <param name="scaled">Determines whether to use desktop scaling or leave it normal and clip.</param>
/// <exception cref="System.ArgumentNullException">Thrown if host is null.</exception>
/// <exception cref="System.ArgumentOutOfRangeException">Thrown if display is negative.</exception>
/// <exception cref="System.InvalidOperationException">Thrown if the RemoteDesktop control is already Connected. See <see cref="VncSharp.RemoteDesktop.IsConnected" />.</exception>
public void Connect(string host, int display, bool viewOnly, bool scaled)
{
InsureConnection(false);
if (host == null) throw new ArgumentNullException("host");
if (display < 0) throw new ArgumentOutOfRangeException("display", display, "Display number must be a positive integer.");
// Start protocol-level handling and determine whether a password is needed
vnc = new VncClient();
vnc.IsShared = IsShared;
vnc.ConnectionLost += new VncClient.ConnectionLostHandler(VncClientConnectionLost);
vnc.ServerCutText += new EventHandler(VncServerCutText);
vnc.ConnectionOpen += new VncClient.ConnectionOpenedHandler(vnc_ConnectionOpen);
vnc.Connect(host, display, VncPort, viewOnly);
SetScalingMode(scaled);
}