+ // Note that if a cancel button and handler aren't present in the dialog,
+ // nothing will happen when you close the dialog via the window manager, or
+ // via Close().
+ // We wouldn't want to destroy the dialog by default, since the dialog may have been
+ // created on the stack.
+ // However, this does mean that calling dialog->Close() won't delete the dialog
+ // unless the handler for wxID_CANCEL does so. So use Destroy() if you want to be
+ // sure to destroy the dialog.
+ // The default OnCancel (above) simply ends a modal dialog, and hides a modeless dialog.
+
+ static wxList closing;
+
+ if ( closing.Member(this) )
+ return;
+
+ closing.Append(this);
+
+ wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
+ cancelEvent.SetEventObject( this );
+ GetEventHandler()->ProcessEvent(cancelEvent); // This may close the dialog
+
+ closing.DeleteObject(this);
+}