diff --git a/vncviewer/ConnectingDialog.h b/vncviewer/ConnectingDialog.h
new file mode 100644
index 0000000..b146ced
--- /dev/null
+++ b/vncviewer/ConnectingDialog.h
@@ -0,0 +1,95 @@
+/* Copyright (C) 2002-2003 RealVNC Ltd.  All Rights Reserved.
+ *    
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+// -=- ConnectingDialog.h
+
+// Dialog to indicate to the user that the viewer is attempting to make an
+// outgoing connection.
+
+#ifndef __RFB_WIN32_CONNECTING_DLG_H__
+#define __RFB_WIN32_CONNECTING_DLG_H__
+
+#include <rfb_win32/Dialog.h>
+#include <rfb/Threading.h>
+#include <vncviewer/resource.h>
+
+namespace rfb {
+
+  namespace win32 {
+
+    BOOL CALLBACK ConnectingDlgProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam ) {
+	    switch (uMsg) {
+	    case WM_INITDIALOG:
+		    {
+			    SetWindowLong(hwnd, GWL_USERDATA, lParam);
+			    return TRUE;
+		    }
+	    case WM_COMMAND:
+		    switch (LOWORD(wParam)) {
+		    case IDCANCEL:
+          network::Socket* sock = (network::Socket*) GetWindowLong(hwnd, GWL_USERDATA);
+          sock->shutdown();
+			    EndDialog(hwnd, FALSE);
+			    return TRUE;
+		    }
+		    break;
+	    case WM_DESTROY:
+		    EndDialog(hwnd, TRUE);
+		    return TRUE;
+	    }
+	    return 0;
+    }
+
+    // *** hacky bit - should use async connect so dialog behaves properly
+    class ConnectingDialog : public Thread {
+    public:
+      ConnectingDialog() : Thread("ConnectingDialog") {
+        dialog = 0;
+        active = true;
+        start();
+      }
+      virtual ~ConnectingDialog() {
+        // *** join() required here because otherwise ~Thread calls Thread::join()
+        join();
+      }
+      virtual void run() {
+        dialog = CreateDialogParam(GetModuleHandle(0),
+          MAKEINTRESOURCE(IDD_CONNECTING_DLG), 0, &ConnectingDlgProc, 0);
+        ShowWindow(dialog, SW_SHOW);
+        MSG msg;
+        while (active && GetMessage(&msg, dialog, 0, 0)) {
+          DispatchMessage(&msg);
+        }
+        DestroyWindow(dialog);
+      }
+      virtual Thread* join() {
+        active = false;
+        if (dialog)
+          PostMessage(dialog, WM_QUIT, 0, 0);
+        return Thread::join();
+      }
+    protected:
+      HWND dialog;
+      bool active;
+    };
+
+  };
+
+};
+
+#endif
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