BBTK_INPUT(LayoutSplit,Widget1,"Upper or left widget",wxWindow*,"");
BBTK_INPUT(LayoutSplit,Widget2,"Lower or right widget",wxWindow*,"");
BBTK_INPUT(LayoutSplit,Orientation,"Orientation (default H), 0=H=HORIZONTAL , 1=V=VERTICAL",std::string,"");
BBTK_INPUT(LayoutSplit,Widget1,"Upper or left widget",wxWindow*,"");
BBTK_INPUT(LayoutSplit,Widget2,"Lower or right widget",wxWindow*,"");
BBTK_INPUT(LayoutSplit,Orientation,"Orientation (default H), 0=H=HORIZONTAL , 1=V=VERTICAL",std::string,"");