diff --git a/xvaga/xvaga.cpp b/xvaga/xvaga.cpp
index 9d00e8e6d..0ba861b1e 100755
--- a/xvaga/xvaga.cpp
+++ b/xvaga/xvaga.cpp
@@ -524,6 +524,7 @@ void xvt_app_create(int argc, char **argv, unsigned long WXUNUSED(flags),
     }
 	  Menus[0]->Append(M_FILE_PG_SETUP, "&Impostazione Stampante...");
 	  Menus[0]->Append(M_FILE_PRINT, "&Stampa");
+    Menus[0]->Append(M_FILE_PREVIEW, "&Anteprima");
 	  Menus[0]->AppendSeparator();
 	  Menus[0]->Append(M_FILE_QUIT, "&Fine");
 	  Title[1] = "&Modifica";
@@ -577,6 +578,8 @@ void xvt_app_destroy(void)
   xvt_dm_enable_speech(0x00);
 #endif
 
+  xvt_sign_stop();
+
   if (_locale != NULL)
   {
     delete _locale;
@@ -3959,9 +3962,9 @@ int xvt_sys_get_os_version()
 
 int xvt_sys_get_version(char* os_version, char* ptk_version, int maxsize)
 {
-  if (os_version)
+  if (os_version && maxsize >= 8)
     wxStrncpy(os_version, wxGetOsDescription(), maxsize);
-  if (ptk_version)
+  if (ptk_version && maxsize >= 8)
     wxStrncpy(ptk_version, wxVERSION_STRING, maxsize);
   return xvt_sys_get_os_version();
 }
diff --git a/xvaga/xvt_menu.h b/xvaga/xvt_menu.h
index 8b7c453e4..e5aa0063c 100755
--- a/xvaga/xvt_menu.h
+++ b/xvaga/xvt_menu.h
@@ -5,7 +5,7 @@
  *  Agreement with XVT Software.
  *
  *	$RCSfile: xvt_menu.h,v $ 
- *  $Revision: 1.1 $
+ *  $Revision: 1.2 $
  *
  *  Purpose: XVT menu subsystem definitions.
  *
@@ -17,16 +17,17 @@
 #define MAX_MENU_TAG		31999	/* max allowable application menu tag */
 
 #define M_FILE			32000
-#define M_FILE_NEW		(M_FILE+1)
+#define M_FILE_NEW		  (M_FILE+1)
 #define M_FILE_OPEN 		(M_FILE+2)
 #define M_FILE_CLOSE		(M_FILE+3)
 #define M_FILE_SAVE 		(M_FILE+4)
-#define M_FILE_SAVE_AS		(M_FILE+5)
+#define M_FILE_SAVE_AS	(M_FILE+5)
 #define M_FILE_REVERT		(M_FILE+6)
-#define M_FILE_PG_SETUP 	(M_FILE+7)
+#define M_FILE_PG_SETUP (M_FILE+7)
 #define M_FILE_PRINT		(M_FILE+8)
 #define M_FILE_QUIT 		(M_FILE+9)
 #define M_FILE_ABOUT		(M_FILE+10)
+#define M_FILE_PREVIEW	(M_FILE+11)
 
 #define M_EDIT			32025
 #define M_EDIT_UNDO 		(M_EDIT+1)
diff --git a/xvaga/xvtctl.cpp b/xvaga/xvtctl.cpp
index 42710a4b5..84fce145a 100755
--- a/xvaga/xvtctl.cpp
+++ b/xvaga/xvtctl.cpp
@@ -137,7 +137,7 @@ class TwxTreeCtrl : public wxTreeCtrl
 {
   WX_DECLARE_VOIDPTR_HASH_MAP(int, XVT_IMAGE_Map);
 	XVT_IMAGE_Map m_img;
-
+  wxColour m_clrSelFore, m_clrSelBack;
   int m_nFrozen;
 
 private:
@@ -152,9 +152,13 @@ protected:
   void OnActivated(wxTreeEvent& e);  // Calls OnClick(e, true)
   void OnRightDown(wxMouseEvent& e);
 
+  virtual wxColour GetItemTextColour(const wxTreeItemId& id) const;
+  virtual wxColour GetItemBackgroundColour(const wxTreeItemId& id) const;
+
 public:
   void SetNodeImages(const wxTreeItemId& id, XVT_IMAGE item_image, 
                      XVT_IMAGE collapsed_image, XVT_IMAGE expanded_image);
+  void SetColors(const XVT_COLOR_COMPONENT* colors);
   void Suspend();
   void Resume();
   TwxTreeCtrl(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size);
@@ -222,6 +226,7 @@ class TwxPropertyGrid : public wxPropertyGrid
 protected:
   void OnPropertyChanged(wxPropertyGridEvent& evt);
 public:
+  void SetColors(const XVT_COLOR_COMPONENT* colors);
   TwxPropertyGrid(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style);
 };
 
@@ -380,54 +385,45 @@ void xvt_ctl_set_colors(WINDOW win, const XVT_COLOR_COMPONENT* colors, XVT_COLOR
   {
     if (action == XVT_COLOR_ACTION_SET)
     {
-      wxPropertyGrid* pg = wxDynamicCast(w, wxPropertyGrid);
+      TwxTreeCtrl* tc = wxDynamicCast(w, TwxTreeCtrl);
+      if (tc != NULL)
+      {
+        tc->SetColors(colors);
+        return;
+      }
+      TwxPropertyGrid* pg = wxDynamicCast(w, TwxPropertyGrid);
       if (pg != NULL)
       {
-        for (int i = 0; colors[i].type; i++)
-        {
-          CAST_COLOR(colors[i].color, rgb);
-          switch(colors[i].type)
-          {
-          case XVT_COLOR_BACKGROUND: pg->SetCellBackgroundColour(rgb); break;
-          case XVT_COLOR_FOREGROUND: pg->SetCellTextColour(rgb); pg->SetCaptionForegroundColour(rgb); break;
-          case XVT_COLOR_HIGHLIGHT : pg->SetSelectionBackground(rgb); break;
-          case XVT_COLOR_SELECT    : pg->SetSelectionForeground(rgb); break;
-          case XVT_COLOR_BLEND     : pg->SetCaptionBackgroundColour(rgb); pg->SetMarginColour(rgb); break;
-          case XVT_COLOR_TROUGH    : pg->SetEmptySpaceColour(rgb); break; 
-          default                  : break;
-          }
-        }
+        pg->SetColors(colors);
+        return;
       }
-      else
+      for (int i = 0; colors[i].type; i++)
       {
-        for (int i = 0; colors[i].type; i++)
+        CAST_COLOR(colors[i].color, rgb);
+        switch(colors[i].type)
         {
-          CAST_COLOR(colors[i].color, rgb);
-          switch(colors[i].type)
+        case XVT_COLOR_BACKGROUND: w->SetOwnBackgroundColour(rgb); break;
+        case XVT_COLOR_FOREGROUND: w->SetOwnForegroundColour(rgb); break;
+        case XVT_COLOR_HIGHLIGHT:
           {
-          case XVT_COLOR_BACKGROUND: w->SetOwnBackgroundColour(rgb); break;
-          case XVT_COLOR_FOREGROUND: w->SetOwnForegroundColour(rgb); break;
-          case XVT_COLOR_HIGHLIGHT:
-            {
-              TwxPopUp* tpu = wxDynamicCast(w, TwxPopUp);
-              if (tpu != NULL)
-                tpu->SetSelectForeColor(rgb);
-            }
-            break;
-          case XVT_COLOR_SELECT: 
-            {
-              TwxPopUp* tpu = wxDynamicCast(w, TwxPopUp);
-              if (tpu != NULL)
-                tpu->SetSelectBackColor(rgb);
-            }
-            break;
-          case XVT_COLOR_BLEND: 
-            if (!w->IsKindOf(CLASSINFO(wxButton)))
-              w->SetOwnBackgroundColour(rgb); 
-            break;
-          default:
-            break;
+            TwxPopUp* tpu = wxDynamicCast(w, TwxPopUp);
+            if (tpu != NULL)
+              tpu->SetSelectForeColor(rgb);
           }
+          break;
+        case XVT_COLOR_SELECT: 
+          {
+            TwxPopUp* tpu = wxDynamicCast(w, TwxPopUp);
+            if (tpu != NULL)
+              tpu->SetSelectBackColor(rgb);
+          }
+          break;
+        case XVT_COLOR_BLEND: 
+          if (!w->IsKindOf(CLASSINFO(wxButton)))
+            w->SetOwnBackgroundColour(rgb); 
+          break;
+        default:
+          break;
         }
       }
     }
@@ -973,11 +969,37 @@ void TwxTreeCtrl::OnClick(wxTreeEvent& evt, bool bDouble)
   }
 }
 
+wxColour TwxTreeCtrl::GetItemTextColour(const wxTreeItemId& id) const
+{
+  if (IsSelected(id))
+    return m_clrSelFore;
+  return wxTreeCtrl::GetItemTextColour(id);
+}
+
+wxColour TwxTreeCtrl::GetItemBackgroundColour(const wxTreeItemId& id) const
+{
+  if (IsSelected(id))
+    return m_clrSelBack;
+  return wxTreeCtrl::GetItemBackgroundColour(id);
+}
+
 void TwxTreeCtrl::OnSelected(wxTreeEvent& evt)
-{ OnClick(evt, false); }
+{ 
+  OnClick(evt, false); 
+}
 
 void TwxTreeCtrl::OnActivated(wxTreeEvent& evt)
-{ OnClick(evt, true); }
+{ 
+  const wxTreeItemId id = evt.GetItem();
+  if (ItemHasChildren(id))
+  {
+    if (IsExpanded(id))
+      Collapse(id);
+    else
+      Expand(id);
+  }
+  OnClick(evt, true); 
+}
 
 void TwxTreeCtrl::OnRightDown(wxMouseEvent& evt)
 {
@@ -1083,6 +1105,22 @@ void TwxTreeCtrl::Resume()
     m_nFrozen--;
 }
 
+void TwxTreeCtrl::SetColors(const XVT_COLOR_COMPONENT* colors)
+{
+  for (int i = 0; colors[i].type; i++)
+  {
+    CAST_COLOR(colors[i].color, rgb);
+    switch(colors[i].type)
+    {
+    case XVT_COLOR_BACKGROUND: SetOwnBackgroundColour(rgb); break;
+    case XVT_COLOR_FOREGROUND: SetOwnForegroundColour(rgb); break;
+    case XVT_COLOR_HIGHLIGHT : m_clrSelBack = rgb; break;
+    case XVT_COLOR_SELECT    : m_clrSelFore = rgb; break;
+    default                  : break;
+    }
+  }
+}
+
 TwxTreeCtrl::TwxTreeCtrl(wxWindow *parent, wxWindowID id, 
                          const wxPoint& pos, const wxSize& size)
            : wxTreeCtrl(parent, id, pos, size, wxTR_HAS_BUTTONS | wxTR_HIDE_ROOT),
@@ -2125,6 +2163,25 @@ BEGIN_EVENT_TABLE(TwxPropertyGrid, wxPropertyGrid)
   EVT_PG_CHANGED(wxID_ANY, TwxPropertyGrid::OnPropertyChanged)
 END_EVENT_TABLE();
 
+void TwxPropertyGrid::SetColors(const XVT_COLOR_COMPONENT* colors)
+{
+  for (int i = 0; colors[i].type; i++)
+  {
+    CAST_COLOR(colors[i].color, rgb);
+    switch(colors[i].type)
+    {
+    case XVT_COLOR_BACKGROUND: SetCellBackgroundColour(rgb); break;
+    case XVT_COLOR_FOREGROUND: SetCellTextColour(rgb); SetCaptionForegroundColour(rgb); break;
+    case XVT_COLOR_HIGHLIGHT : SetSelectionBackground(rgb); break;
+    case XVT_COLOR_SELECT    : SetSelectionForeground(rgb); break;
+    case XVT_COLOR_BLEND     : SetCaptionBackgroundColour(rgb); SetMarginColour(rgb); break;
+    case XVT_COLOR_TROUGH    : SetEmptySpaceColour(rgb); break; 
+    default                  : break;
+    }
+  }
+}
+
+
 void TwxPropertyGrid::OnPropertyChanged(wxPropertyGridEvent& evt)
 {
   TwxWindow* win = wxDynamicCast(GetParent(), TwxWindow);
diff --git a/xvaga/xvtpdf.cpp b/xvaga/xvtpdf.cpp
index a85cd3acb..38888c025 100755
--- a/xvaga/xvtpdf.cpp
+++ b/xvaga/xvtpdf.cpp
@@ -68,6 +68,10 @@ bool TwxPDFDC::StartDoc( const wxString& message )
     GetFontsFolder(lpszFontPath, _MAX_PATH);
     strFontPath.UngetWriteBuf();
     m_PDFlib->PDF_set_parameter(m_p, "SearchPath", strFontPath);
+    
+    const wxString strUser = wxGetUserId();
+    m_PDFlib->PDF_set_info(m_p, "Author", strUser);
+    m_PDFlib->PDF_set_info(m_p, "Creator", "Campo");
   }
   PDF_CATCH_DL(m_PDFlib, m_p) 
   {
diff --git a/xvaga/xvtpdf.h b/xvaga/xvtpdf.h
index cf581cabf..14a584529 100755
--- a/xvaga/xvtpdf.h
+++ b/xvaga/xvtpdf.h
@@ -12,7 +12,7 @@ struct PDF_c {};
 
 class TwxPDFDC : public wxDC
 {
-  enum { PDF_IMG_CACHE_SIZE = 4 };
+  enum { PDF_IMG_CACHE_SIZE = 13 };
 
 protected:
   TwxPDFDC(); // Dummy constructor for dynamic construction