[external function declaration]
   SUBROUTINE keybd_event( int bVk, int bScan, int dwFlags, int dwExtraInfo) &
   LIBRARY "user32.dll" 

  [powerscript]
  constant integer VK_F4 = 115

  dw_1.SetFocus()
  dw_1.SetColumn( "dept_head_id" )  // the DDDW
  keybd_event( VK_F4,0,0,0 )  // F4 key down
  keybd_event( VK_F4,0,2,0 )  // F4 key up