file_menu->Append(ID_BACKGROUND_COLOUR, "Set &background colour...\tCtrl-B");
file_menu->Append(ID_STYLE_MENU, "&Style", style_menu);
file_menu->AppendSeparator();
file_menu->Append(ID_BACKGROUND_COLOUR, "Set &background colour...\tCtrl-B");
file_menu->Append(ID_STYLE_MENU, "&Style", style_menu);
file_menu->AppendSeparator();