1. removed wxObject::CopyObject() and Clone() - some objects just can't be

copied
2. made wxEvent::Clone() pure virtual and added missing Clone()s to the
   other event classes which this changes has helped to discover


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12566 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/timer.h

@@ -167,6 +167,9 @@ public:
     // accessors
     int GetInterval() const { return m_interval; }
 
+    // implement the base class pure virtual
+    virtual wxEvent *Clone() const { return new wxTimerEvent(*this); }
+
 private:
     int m_interval;