Help / WLanguage / WLanguage functions / Standard functions / Windows management functions / Application update functions
WindowsLinuxUniversal Windows 10 AppJavaReports and QueriesUser code (UMC)
WindowsLinuxPHPWEBDEV - Browser code
AndroidAndroid Widget iPhone/iPadIOS WidgetApple WatchMac CatalystUniversal Windows 10 App
Stored procedures
From version 23, AppliChangeParameter is kept for backward compatibility. This function has been replaced with AppChangeParameter.
Changes an information in the mechanism for automatic application update.
Reports and QueriesWindowsUser code (UMC)
IF AppParameter(appUPDMode) = 3 THEN
AppChangeParameter(appUPDMsgStop, ...
"The application " + ProjectInfo(piEXEName) + ...
"will be automatically stopped.")
<Result> = AppChangeParameter(<Information> , <New value> [, <Application path>])
<Result>: Boolean
  • True if the requested information was modified,
  • False if a problem occurs. For more details about the problem, use ErrorInfo.
<Information>: Integer constant
Characteristic of application to modify:
appUPDAutoCheckEnable automatic check for updates:
  • True to enable,
  • False to disable.
WINDEV Constant not available.
appUPDDisplayErrorAllows you to display a message if a problem is encountered when checking for updates:
  • True to display a message,
  • False otherwise.
WINDEV Constant not available.
appUPDDisplayModeDisplay options for update notifications:
  • 0: An update message is displayed in a window in the application.
  • 1: An update message is displayed as a notification.
WINDEV Constant not available.
appUPDLocalVersionVersion number of local executable.
appUPDModeCurrent operating mode of the application:
  • 0: Standard operating mode.
  • 1: Startup forbidden: the current executables continue to operate.
  • 2: Startup forbidden: the current executables receive a warning message on a regular basis.
  • 3: Startup forbidden: the current executables are automatically stopped after a given time-out.
appUPDMsgForbidMessage displayed when the startup of the application is forbidden.
appUPDMsgStopMessage displayed before the application is automatically stopped (when appUPDMode = 3).
appUPDMsgWarningMessage displayed on a regular basis (when appUPDMode = 2).
appUPDNetworkLevel of update:
  • 0: No update.
    The update in network is not used.
  • 1: Network update enabled.
    The available updates are checked and the dialog box of automatic update is displayed.
  • 2: Network update enabled and registration of applications toward the update server.
    The available updates are checked and the dialog box of automatic update is displayed.
    As soon as it is started, the executable creates a ".LOK" file on the server. This file allows WDAdminExe to identify the clients that use the application.
appUPDPathPath of update information on the server.
appUPDProtocolNetwork protocol used to search for updates. This protocol can correspond to "LOCAL" or to "HTTP".
appUPDServerServer where the updates will be sought.
If the HTTP protocol is used, IP address or name of computer.
If the LOCAL protocol is used, name of network share.
appUPDTimeoutTimeout between two messages (if appUPDMode = 2) or before the application is automatically stopped (if appUPDMode = 3). This time-out is expressed in seconds.
<New value>: Expected type
New value that will be given to the specified information.
<Application path>: Optional character string
Full path of executable to use. If this parameter is not specified, the current application will be handled.
The new parameters will be taken into account the next time the application is started.
Business / UI classification: Business Logic
Component: wd280std.dll
Minimum version required
  • Version 14
This page is also available for…
Click [Add] to post a comment

Last update: 06/22/2023

Send a report | Local help