Splitter Example 1

'F'⎕WC'Form' 'Vertical Splitter'('Size' 25 25)
'F.E1'⎕WC'Edit'(10 6⍴'Edit 1')('Style' 'Multi')
'F.E2'⎕WC'Edit'(10 6⍴'Edit 2')('Style' 'Multi')
'F.S'⎕WC'Splitter' 'F.E1' 'F.E2'