wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, button->GetId());
     event.SetEventObject(button);
-    button->GetEventHandler()->ProcessEvent(event);
+    button->HandleWindowEvent(event);
 }
 }
 
             right_border += default_border->right;
             top_border += default_border->top;
             bottom_border += default_border->bottom;
-            g_free( default_border );
+            gtk_border_free( default_border );
         }
         win->MoveWindow(
-            win->m_x - top_border,
-            win->m_y - left_border,
+            win->m_x - left_border,
+            win->m_y - top_border,
             win->m_width + left_border + right_border,
             win->m_height + top_border + bottom_border);
     }
     else if (HasFlag(wxBU_BOTTOM))
         y_alignment = 1.0;
 
-#ifdef __WXGTK24__
-    if (!gtk_check_version(2,4,0))
-    {
-        gtk_button_set_alignment(GTK_BUTTON(m_widget), x_alignment, y_alignment);
-    }
-    else
-#endif
-    {
-        if (GTK_IS_MISC(GTK_BIN(m_widget)->child))
-            gtk_misc_set_alignment(GTK_MISC(GTK_BIN(m_widget)->child),
-                                x_alignment, y_alignment);
-    }
+    gtk_button_set_alignment(GTK_BUTTON(m_widget), x_alignment, y_alignment);
 
     SetLabel(label);