**CIGAL Reference Manual, Chapter 1 (Topics): samplefuncmenu**
===== Samplefuncmenu -- The following is a sample function menu file =====
  F1
  type {
  F1     - This help message
  F2     - Erase the screen
  F3     - Return to MAIN menu
  F4     - Use split screen
  F5     - Use whole screen
  F10    - Restore previous function key menu
  ESC    - Beep
  } 
  
  F2
  erase                       ; clear the main display window
  
  F3
  menu main 
  
  F4
  type 'Click cursor where you want to split screen'
  #1 = (gety / 16)            ; get the cursor position in text units
  ^^1 = { 0  0 79 #1++ }      ; set the secondary window dimensions (top)
  ^^0 = { 0 #1 79 24 }        ; set the main window dimensions (bottom)
  erase -2                    ; reset the background colors
  menu                        ; reset the menu display if active 
  
  F5
  ^^0 = { 0 0 79 24 }         ; set main window to full screen
  ^^1 = 0                     ; inactivate secondary window
  erase -2                    ; adjust screen colors for new windows
  menu 
  
  F10
  menu -1 11                  ; restore previous function menu
  
  ESC
  type '\7'

**See Also:**\\
[[jvs:cigal|CIGAL Home]], 
[[jvs:cigal:manual|CIGAL Manual]], 
[[jvs:cigal:manual:chapter1|Topics List]], 
[[jvs:cigal:manual:help|Manual Help]]