diff --git a/include/sheet.cpp b/include/sheet.cpp
index 22135fef7..487f53fd9 100755
--- a/include/sheet.cpp
+++ b/include/sheet.cpp
@@ -42,6 +42,7 @@ protected:
   long row2rec(int row) const;
   
   void make_current(long rec);
+  XI_OBJ* find_column(int col) const;
 
 public:  // TControl
   virtual void set_rect(const RCT& r);
@@ -51,7 +52,7 @@ public:
   void select(long n);
   void set_focus_rec(long rec);
   
-  void enable_check(bool on) { _check_enabled = on && _type[0] == 'C'; }
+  void enable_check(bool on);
   bool check_enabled() const { return _check_enabled; }
   void check(long n, bool on);
   void toggle(long n);
@@ -366,6 +367,45 @@ void TSheet_control::set_focus_rec(long rec)
   const int c = _type[0] == 'C' ? 2 : 1;
   XI_OBJ cell; XI_MAKE_CELL(&cell, _obj, r, c);
   xi_set_focus(&cell);
+}                                         
+
+XI_OBJ* TSheet_control::find_column(
+  int col) const    // @parm  Indice o identificatore colonna
+{     
+  CHECKD(col >= 0, "Bad column ", col);
+  if (col < FIRST_FIELD)         // Se e' un indice trasformalo in identificatore
+    col += FIRST_FIELD + 1000;
+  
+  int num;
+  XI_OBJ** columns = xi_get_member_list(_obj, &num);
+  for (int c = num-1; c > 0; c--)
+  {          
+    if (columns[c]->cid == col)
+      break;
+  }  
+
+  if (c <= 0)
+  {
+    yesnofatal_box("Can't find column with id=%d", col);
+    c = 1;
+  }  
+  
+  return columns[c];
+}
+
+
+void TSheet_control::enable_check(bool on)
+{
+  _check_enabled = on && _type[0] == 'C';
+  if (_type[0] == 'C')
+  {
+    XI_OBJ* column = find_column(1101);
+    dword attr = xi_get_attrib(column);
+    if (_check_enabled) attr |= XI_ATR_ENABLED;
+    else attr &= ~XI_ATR_ENABLED;
+
+    xi_set_attrib(column, attr);          // Set new attributes
+  }
 }
 
 bool TSheet_control::one_checked() const
@@ -461,7 +501,8 @@ void TSheet_control::enable_row(
   }  
   update(n);
 }       
-
+       
+HIDDEN long _rec_to_select = -1;
 // Certified 75%
 bool TSheet_control::event_handler(XI_OBJ* itf, XI_EVENT *xiev)
 {
@@ -580,8 +621,12 @@ bool TSheet_control::event_handler(XI_OBJ* itf, XI_EVENT *xiev)
         }    
       }  
       else                    
+      {
         if (_sheet->_select_row < 0)
           make_current(rec);
+        else 
+          _rec_to_select = rec;
+      }
     }
     break;
   case XIE_GET_PERCENT:
@@ -1128,6 +1173,26 @@ bool TBrowse_sheet::last_browse_field_handler(TMask_field& f, KEY k)
   return ok;  
 }
 
+// @doc EXTERNAL
+
+// @mfunc Gestisce l'handler della finestra
+void TBrowse_sheet::handler(
+  WINDOW win, // @parm Finestra da gestire
+  EVENT* ep)  // @parm Evento da gestire nella finestra
+{                 
+  if (ep->type == E_MOUSE_DOWN)
+  {
+    TMask_field & f = fld(0);
+    RCT r; f.get_rect(r);
+    
+    if (xvt_rect_has_point(&r, ep->v.mouse.where) && _rec_to_select >= 0)
+    {
+      post_select(_rec_to_select);
+      _rec_to_select = -1;     
+    }
+  }                   
+  TCursor_sheet::handler(win, ep);
+}
 
 TBrowse_sheet::TBrowse_sheet(TCursor* cursor, const char* fields,
                              const char* title, const char* head, byte buttons, 
diff --git a/include/sheet.h b/include/sheet.h
index 28755f3b1..b073a0e2a 100755
--- a/include/sheet.h
+++ b/include/sheet.h
@@ -214,12 +214,14 @@ class TBrowse_sheet : public TCursor_sheet
   // @cmember:(INTERNAL) Campo di ricerca attuale (Tag button selezionato)
   int _sel;
   
-  long _select_row;
+//  long _select_row;
   
   // @access Protected Member
 protected:
   // @cmember Gestisce la pressione del tasto (vedi <mf TWindow::on_key>)
   virtual bool on_key(KEY k);
+  // @cmember Gestisce gli eventi della finestra
+  virtual void handler(WINDOW win, EVENT* ep);
   
   // @cmember Ritorna il campo a cui si riferisce lo sheet
   TEdit_field& field()