ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Docker image of the HFSQL server
A Docker container with the HFSQL server is available on Docker Hub...
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, ...
HFSQL and Docker
Docker is a software platform that allows you to run applications in software containers on Linux (Docker runs like a daemon)...
<Connection variable>.StartServerUpdate (Function)
Used to immediately start the automatic server update.
HServerMaintenance (Function)
Checks and optimizes the system tables of an HFSQL server.
HManageServerUpdate (Function)
Allows you to manage the automatic update of HFSQL Client/Server servers and to define how often to check for updates.
<Connection variable>.OperationInProgress (Function)
Returns the list of automatic operations in progress on an HFSQL server.
HOperationInProgress (Function)
Returns the list of automatic operations in progress 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.
<Connection variable>.ServerMaintenance (Function)
Checks and optimizes the system tables of an HFSQL server.
InStoredProcedureMode (Function)
Indicates whether the code is run on 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 tables, the wizard allows you to...
HListServer (Function)
Lists the HFSQL servers installed on a computer.
HStartServerUpdate (Function)
Used to immediately start the automatic server update.
Locking data files: correspondence between WINDEV 5.5 and the later versions
Hyper File functions available for backward compatibility
HErrorPassword (Function)
After the execution of a read or write function in a data file, used to find out whether an error caused by a wrong password occurred on this data file.
Null (Property)
The Null property is used to: Assign NULL to the item for the current record. Find out whether the item is associated with the NULL value for the current record. Define the default value of an item when the item is described through programming....
HRefreshView (Function)
Asks to recalculate the content of a materialized view.
DefaultValue (Property)
The DefaultValue property is used to: Find out the default value of an item. This item was defined in the data model editor or through programming. Define the default value of an item (when describing the item through programming)....
Translating programming messages
When developing a multilingual application, you can translate the different messages displayed to the user (messages displayed by Info and YesNo, for example....
Project configuration
Project configurations allow you to adapt the same project to multiple "targets"......
<Source>.DeleteView (Function)
Deletes a previously created view. This function uses the former view mechanism.
<Source>.InfoMemo (Function)
Returns the characteristics of binary and text memos.
H.LanguageCreationUnicode (Variable)
Allows you to define the characteristics of the sort for the Unicode items found in a table.
User Groupware: Executable creation and installation
The executable of an application that supports the User Groupware is a multi-instance executable....
HDeleteView (Function)
Deletes a previously created view. This function uses the former view mechanism.
ScreenToSource (Function)
Automatically initializes: the values of a table's items in memory with the values from the controls in the window. the value of the WLanguage variables with the value of the window controls. This function is also available for WEBDEV pages....
KeyType (Property)
The KeyType property is used to set the characteristics of a key item.
SortType (Property)
The SortType property is used to: Find out the sort direction defined for an item or for a component of a composite key. This item was defined in the data model editor or programmatically. Define the sort direction for an item or for a component of a composite key (when describing the item through programming)....
HCheckStructure (Function)
Defines the mode for comparing tables.