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Anything is possible given enough time, money and Mountain Dew!

 
 
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All examples include a PB8 and PB10 version. If you are using PB9, you can migrate the PB8 library.

Product Spotlight
Adapter

Mutex

This program shows how to prevent more than one copy of your application being run on the same machine. It uses a Mutex, which is an operating system maintained flag.

Click here to download the PowerBuilder sample: MUTEX.ZIP

Win API Functions used:

CreateMutex
GetLastError

——— Last updated 04/24/2005 ———

Bitmap
ControlPanel
Cookiemgr
Crypto
DisplayIcon
DWGridXP
EmailSMTP
Filesys
Filetouch
FTPEdit
GetURL
Icontray
ImageList
Jagman
LDAPQuery
Mutex
Netquery
ODBC API
PBEditor
Ping
Rapi
RunandWait
Splitbars
Statbar
ValidLogon
Webbrowser
Winsock
Zlibwapi

PBSearch
The ultimate PowerBuilder search utility. Faster, more accurate and more capable than the built-in search tool.

PBNIServ
Do what was once impossible! Create a Windows Service program entirely in PowerBuilder without any API function calls.

PBOrcapi
The only product that allows you to write ORCA enabled programs with PowerBuilder. Works with PB6 & up as well as PocketBuilder.