SHOWHELP()
From Lianjapedia
Revision as of 08:09, 20 March 2013 by Yvonne.milne (Talk | contribs)
Contents
Purpose
Function to display help information in a popup Help dialog
Syntax
SHOWHELP(<expC1>, <expC2> [, <expC3> [, <expL>]])
See Also
Description
The SHOWHELP() function displays help information in a popup dialog.
| Parameter | Description |
|---|---|
| <expC1> | Help dialog title |
| <expC2> | Help table name. The table should have the following structure: HELPTOPIC Character(60) Description 'Help topic' HELPTEXT Memo Description 'Help text' and the following index tag: Tag: HELPTOPIC Key: helptopic |
| <expC3> | Help topic. SHOWHELP() will search for this topic in the Help table's index and display the text from the HELPTEXT memo field. If the topic is not found, a message will be displayed in the Help dialog: 'No help found for the specified topic.' If <expC3> is not specified, the first record (in the index) from the Help table will be displayed. |
| <expL> | Show buttons flag. If <expL> is .T. navigation buttons to move between Help topics will be displayed at the bottom of the dialog. If <expL> is .F. or not specified, no buttons are displayed. |
The SHOWHELP() functionality is also provided in the Lianja system object showhelp() method.
Example
open database southwind showhelp("Help for Employees Page","lianjademo_help","page_employees",.T.)
