VLDCMDKEY (Valid Command Key) keyword for display files
You use this file-level or record-level keyword to specify that the IBM® i licensed program is to set on the specified response indicator when any valid command key other than the Enter key is pressed by the workstation user.
One use of this function is to perform a simple test to determine if the workstation user has requested a function you want to watch for in your program.
See System/36 environment considerations for display files for information about how to specify the VLDCMDKEY keyword in files that are used in the System/36 environment.
VLDCMDKEY(response-indicator ['text'])The response-indicator parameter is required.
The optional text is included on the computer printout created at program compilation to explain the intended use of the indicator. This text's only function in the file or the program is a comment. The single quotation marks are required. If you specify more than 50 characters between the single quotation marks, the text is truncated to 50 characters on the program computer printout.
- Keyword
- Comments
- ALTHELP(CAnn)
- With or without response indicator on the HELP keyword. Causes the command attention key specified to be considered a valid command key.
- ALTPAGEUP(CFnn)
- With or without response indicator on the PAGEUP keyword. Causes the command function key specified to be considered a valid command key if PAGEUP is also specified.
- ALTPAGEDWN(CFnn)
- With or without response indicator on the PAGEDOWN keyword. Causes the command function key specified to be considered a valid command key if PAGEDOWN is also specified.
- CAnn
- With or without response indicator.
- CFnn
- With or without response indicator.
- CLEAR
- With or without response indicator.
- HELP
- Valid only when HELP key is passed back to application as follows:
- HELP and HLPRTN (with or without a response indicator).
- HELP (with or without a response indicator) and no help areas are defined for any records currently being displayed.
- HOME
- With or without response indicator.
- PAGEDOWN
- With or without response indicator.
- PAGEUP
- With or without response indicator.
- Valid only when PRINT key is passed back to application as follows:
- PRINT (with a response indicator).
- PRINT (*PGM).
- ROLLUP
- With or without response indicator.
- ROLLDOWN
- With or without response indicator.
Option indicators are not valid for this keyword.
Example
The following example shows how to specify the VLDCMDKEY keyword.
|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
00010A R REC1 VLDCMDKEY(90 'Any valid key')
00020A CA01(91)
00030A CA02(92)
00040A CA03(93)
00050A CLEAR(94)
AIn this example, Indicator 90 is set on if any of four keys (CA01, CA02, CA03, or Clear) is pressed.