Forms

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Forms

Help

Help screens display information. This can be associated with a particular field through the HELP clause on the FIELD command or may be called up through a CALL command.

Within the Help Screen Definition, specify visual appearance commands such as TEXT and DRAW and PAGE commands as necessary.

Syntax

HELP screen_name
     KEEP
     PRELOAD
ENDHELP

General Clauses

 AT [r][,c]
  BOTTOM n
  PAGESIZE [r][,c]

HELP defines a text screen which cannot contain any commands other than TEXT and DRAW and PAGE and ENDPAGE.

KEEP

Specifies that the screen remains in the cache buffer if caching has been enabled. PRELOAD

Specifies that the screen is put in the cache buffer prior to the execution of the form. Example: The first DRAW command draws a box beginning at the screen origin 1,1 through the extreme point 20,79. The second DRAW command draws a smaller box within the first. The TEXT command displays the specified text.

.
CALL HELPSCRN PROMPT 'Select if further HELP required'
.
HELP HELPSCRN
  DRAW TO 20,79
  DRAW FROM 5,30 FOR 2,30
  TEXT 'THIS IS A HELP SCREEN' VIDEO BOLD
  TEXT '  ....  help text ....'   at 10,20
  TEXT '  ....  more help text ...'
ENDHELP