restart:
with(Maplets):
with(Maplets[Elements]):
B:=Button("Button",Evaluate()):
L:=Button("Execute Example",Evaluate()):
S:=Button("OK",Shutdown()):
MBox:=Maplet(
 Window(
  title="BoxLayout",
  layout=BoxLayout(inset=0,
   BoxLayout(inset=0,border=true,
    BoxColumn(inset=0,spacing=0,border=true,
     BoxRow(inset=0,spacing=0,border=true,
      BoxCell(B), BoxCell(B)
     ),
     BoxRow(inset=0,spacing=0,border=true,
      BoxLayout(inset=0,border=true,BoxCell(L)),
      BoxLayout(inset=0,border=true,BoxCell(S))
     )
    )
   )
  )
 )
):
Display(MBox);
MGrid:=Maplet(
 Window(
  title="GridLayout",
  layout=GridLayout(inset=5,
   GridRow(
    GridCell(B), GridCell(B)
   ),
   GridRow(
    GridCell(BoxLayout(inset=0,border=true,L)),
    GridCell(BoxLayout(inset=0,border=true,S))
   )
  )
 )
):
Display(MGrid);