PdfMod.Gui.Client.PasswordProvider C# (CSharp) Method

        public void PasswordProvider (PdfPasswordProviderArgs args)
        {
            // This method is called from some random thread, but we need
            // to do the dialog on the GUI thread; use the reset_event
            // to block this thread until the user is done with the dialog.
            ThreadAssist.BlockingProxyToMain (delegate {
                Log.Debug ("Password requested to open document");
                var dialog = new Hyena.Widgets.HigMessageDialog (
                    Window, DialogFlags.Modal, MessageType.Question, ButtonsType.None,
                    Catalog.GetString ("Document is Encrypted"),
                    Catalog.GetString ("Enter the document's password to open it:")
                );
                dialog.Image = Gtk.IconTheme.Default.LoadIcon ("dialog-password", 48, 0);

                var password_entry = new Entry () { Visibility = false };
                password_entry.Show ();
                dialog.LabelVBox.PackStart (password_entry, false, false, 12);

                dialog.AddButton (Stock.Cancel, ResponseType.Cancel, false);
                dialog.AddButton (Stock.Ok, ResponseType.Ok, true);

                var response = (ResponseType)dialog.Run ();
                string password = password_entry.Text;
                dialog.Destroy ();

                if (response == ResponseType.Ok) {
                    args.Password = Document.Password = password;
                } else {
                    Log.Information ("Password dialog cancelled");
                    args.Abort = true;
                }
            });
        }