BBTK_INPUT(LayoutLine,Widget1,"widget 1",wxWindow*,"");
BBTK_INPUT(LayoutLine,Widget2,"widget 2",wxWindow*,"");
BBTK_INPUT(LayoutLine,Widget3,"widget 3",wxWindow*,"");
BBTK_INPUT(LayoutLine,Widget1,"widget 1",wxWindow*,"");
BBTK_INPUT(LayoutLine,Widget2,"widget 2",wxWindow*,"");
BBTK_INPUT(LayoutLine,Widget3,"widget 3",wxWindow*,"");