Using the PFC’s n_cst_filesrv

The PFC’s contains handy services to work with files saved on your PC or network.  I recently had a need to collect all the files contained in particular folder and any of its subfolders.  The result is this recursive function wf_GetFileNames().

Adding PFC Help to the PowerBuilder Menu

• In the development environment, right click on the menu and select “Customize”
• Click on the Custom radio button
• Drag a new icon to the spot on the menu
• A modal window pops up:
  • Command line should have the following text: (note the location of the PFC help file on your PC may be different)

winhlp32.exe C:\Program Files\Sybase\PB6\pbpfc60.hlp

or

winhlp32.exe  C:\Program Files\Sybase\PowerBuilder 7.0\Help\pbpfc70.hlp

• Add Item Text
• Add Item Microhelp

PFC Security Q and A

How do I enable the PFC security service?

A common place to do this the pfc_postopen event of w_frame

gnv_app.of_SetSecurity(True) //Enable security service

How do I force security to run on a particular object

PFC Security

PFC Security can restrict access to

• Menu items
• Graphic objects
• DataWindow columns

Each object may be enabled/disabled or made invisible

PFC DateTime Service (n_cst_datetime)

The Date/Time service provides methods to perform calculations with dates.
It includes the following features:

PFC String Service (n_cst_string)

The string service provides support for manipulation of strings.
It includes the following features:

Working with PFC INI Files

Reading from the User INI file

// get list of CSR emp ids from INI file and select these
ls_usr_ini = gnv_app.of_GetUserIniFile( )
ls_csr_string = ProfileString(ls_usr_ini, "CSR", "EMP_ID", "")

PFC Utility Services

Often overlooked, the PFC has several handy utility services which can make your programming life easier.
Utility Services include the following:

PFC DataWindow Service Questions

I get the error “DataWindow is not Updateable” but I am trying to save a different datawindow.

If you have a datawindow which you will not want to update, such as a external source datawindow containing a DDDW, you need to call the function of_SetUpdateable(False) in the dw control’s constructor event

this.of_SetUpdateable ( False )