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Version: 2026

Notifications of an HFSQL server
A server may encounter problems without any user (or developer) noticing anything.
For example:
  • a scheduled task may fail,
  • an automatic backup may fail,
  • a node may become inactive in an HFSQL cluster, ...
Docker image of the HFSQL server
A Docker container with the HFSQL server is available on Docker Hub...
HOperationInProgress (Function)
Returns the list of automatic operations in progress on an HFSQL server.
HServerMaintenance (Function)
Checks and optimizes the system tables of an HFSQL server.
<Connection variable>.ServerMaintenance (Function)
Checks and optimizes the system tables of an HFSQL server.
Installing an HFSQL Client/Server server with an application
When creating the setup program of a WINDEV application using HFSQL Client/Server data files, the wizard allows you to...
HManageServerUpdate (Function)
Allows you to manage the automatic update of HFSQL Client/Server servers and to define how often to check for updates.
HStartServerUpdate (Function)
Used to immediately start the automatic server update.
<Connection variable>.StartServerUpdate (Function)
Used to immediately start the automatic server update.
<Connection variable>.OperationInProgress (Function)
Returns the list of automatic operations in progress on an HFSQL server.
InStoredProcedureMode (Function)
Indicates whether the code is run on an HFSQL server.
<Connection variable>.ManageServerUpdate (Function)
Used to manage the automatic update of HFSQL Client/Server servers by specifying the check frequency regarding the availability of updates.
HFSQL and Docker
Docker is a software platform that allows you to run applications in software containers on Linux (Docker runs like a daemon)...
HListServer (Function)
Lists the HFSQL servers installed on a computer.
7. Sending an email
WINDEV Tutorial: WINDEV application: Managing data Lesson 7 - Sending an email - 20 min
2. Transferring files via FTP
FTP (File Transfer Protocol) is a protocol for transferring files from one site to another....
User login: User Groupware
WINDEV Tutorial: User Groupware User login: User Groupware - 20 mn
Net constants
List of constants used by the Net functions....
FTPName (Function)
Returns the name of last file accessed by an FTP function (File Transfer Protocol).
TableCollapseAll (Function)
Collapses: the entire hierarchy (all nodes) of a TreeView Table control. all breaks of a Table control....
Sound (Function)
Plays a sound in WAV format.
X (Property)
The X property is used to get and change the X-coordinate of an element.
Y (Property)
The Y property is used to get and change the the Y-coordinate of an element.
FTPConnect (Example)
Usage example of the FTPConnect function
Push notification: Android configuration (Google Cloud Messaging)
To use the Push notifications in Android, you must have a Google account and you must perform a specific configuration......
wsRequest (Type of variable)
The wsRequest type is used to define the advanced characteristics of a Webservice.
Multitask (Function)
MultiTask is used to: define a timeout, give control back to Windows, give control back to Windows and to WLanguage....
UMC: Implementing and managing the "User Macro-Codes"
Regardless of the skill of the development team, the end user will always want to do something that has not been planned for......
AJAX programming
The diagram below presents the use of "programmed AJAX" in a WEBDEV site......
LDAPValue (Function)
Returns the value corresponding to the subscript passed as parameter for the specified attribute.
hdfsStatus (Type of variable)
The hdfsStatus type is used to define the advanced characteristics regarding the status of an element (file, directory, link) in the Hadoop file system.
Comparison operators
The comparison operators can be divided into several categories......
LDAPDeleteAttribute (Function)
Deletes an attribute as well as its values.
LDAPDeleteAttributeValue (Function)
Deletes a value of a specified attribute.
LDAPNbValue (Function)
Returns the number of values for an attribute.
ZOrder (Property)
The ZOrder property gets and sets the Z-order of an element.
5. The following files are automatically created
CookieWrite (Example)
Usage example of the CookieWrite function
CookieRead (Example)
Usage example of the CookieRead function