[Mono-dev] Strange bug in System.Timers.Timer i guess

[Robert Jordan]

gigi gogu wrote:
> Hy guys,
>   I'm trying to port a windows.forms software in gtk with mono, and  everything was ok until i tried to implement two timers.... That made  my application crush without a reason after a while.  Here is the  message i received


You should use the non-multithreaded System.Windows.Forms.Timer.

Robert


>   =================================================================
>   Got a SIGSEGV while executing native code. This usually indicates
>   a fatal error in the mono runtime or one of the native libraries
>   used by your application.
>   =================================================================
>   
>   Stacktrace:
>   
>   in <0x4> (wrapper managed-to-native) Gtk.Container:gtk_container_remove (intptr,
>   intptr)
>   in <0xffffffe3> (wrapper managed-to-native) Gtk.Container:gtk_container_remove (
>   intptr,intptr)
>   in <0x3b> Gtk.Container:Remove (WidgGtk.)
>   in <0x75> pl_gui.myTableList:refresh ()
>   in <0x13> pl_gui.myTableList:loadMese (pl_db.DB.Lists.dbListaMese)
>   in <0x180> Forms.frm_Main:refreshMese ()
>   in <0xa> Forms.frm_Main:on_tmrRefreshMese_Tick (object,System.Timers.ElapsedEven
>   tArgs)
>   in <0xffffff85> (wrapper delegate-invoke) System.MulticastDelegate:invoke_void_o
>   bject_ElapsedEventArgs (object,System.Timers.ElapsedEventArgs)
>   in <0x1d5> System.Timers.Timer:Callback (object)
>   in <0xffffff95> (wrapper delegate-invoke) System.MulticastDelegate:invoke_void_o
>   bject (object)
>   in <0xf061a8a> (wrapper runtime-invoke) System.Object:runtime_invoke_void_object
>    (object,intptr,intptr,intptr)
>   
>   This application has requested the Runtime to terminate it in an unusual way.
>   Please contact the application's support team for more information.
>   
>   Practicaly, the timer does an refresh on a component on a specified  interval... that means it removes all widgets inside that component and  add them again (updated from a database);  The code for this is  (if it matthers):
>   
>   private void refresh()
>   {
>       int nr = this.Children.Length;
>       for(int i=nr-1; i>=0; i--){
>           Widget w=this.Children[i];
>           try{
>               this.Remove(w);
>           }catch(Exception ex){
>               Console.WriteLine(ex.Message);
>           }
>       }
>       Classes.gdiMasa m; 
>       for (int i = 0; i < lista_mese.Count; i++)
>       {
>           m = new Classes.gdiMasa(lista_mese.getMasa(i));
>           this.Put(m,m.db_masa.pozX,m.db_masa.pozY);
>           m.myClick +=ev_mese;
>       }
>   }
>   
> 		
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