ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

HUnlockFile (Function)
Unlocks the records of a data file: locked by HLockFile. individually locked by a locking read function....
Optimizing the connection times to the HFSQL Client/Server databases
This help page explains how to optimize the connection times to the HFSQL Client/Server databases by limiting the network traffic......
<Connection variable>.ListScheduling (Function)
Lists the scheduled tasks defined on an HFSQL server: stored procedure, backup, optimization, refresh of materialized view....
FilterCondition (Property)
The FilterCondition property allows you to know the selection condition set by HFilter on a data file, HFSQL view or query.
Access (Property)
The Access property is used to manage the type of access of a connection (HFSQL Client/Server, OLE DB, etc.)....
Database (Property)
The Database property is used to manage databases associated with a connection (HFSQL Client/Server, OLE DB, etc.)....
ExecutionCompleted (Property)
The ExecutionCompleted property is used to determine whether the execution of a query or view (HFSQL Classic or Client/Server) is completed....
<Connection variable>.Backup (Function)
Makes a backup copy of the content of an HFSQL server: all databases on the server, one or more databases, one or more data files.
<Connection variable>.DeleteScheduling (Function)
Deletes a scheduled task found on an HFSQL server: stored procedure, backup, optimization, refresh of materialized view....
How to develop a PHP site?
What is a PHP site?......
HClose (Function)
Closes a data file or all the data files opened by the current user: all the corresponding physical data files are closed for the current user.
HSetDuplicates (Function)
Enables or disables the management of duplicates on a unique key.
HListScheduling (Function)
Lists the scheduled tasks defined on an HFSQL server: stored procedure, backup, optimization, refresh of materialized view....
HUnlockRecNum (Function)
Unlocks a record locked by: HLockRecNum, a read function used with a locking parameter (HRead associated with the hLockWrite or hLockReadWrite constant for example)....
Creating a select query
A select query (corresponding SQL statement......
Retrieving documents coming from Twain devices
Several WINDEV functions allow you to retrieve documents from a Twain device......
HFreeQuery (Function)
Free the resources of a query (after the call to HExecuteQuery or HExecuteSQLQuery).
Error 31: The file to include is not found. Check the name and path ...
Variant (Type of variable)
The Variant type is used to: store any simple value: boolean, numeric (Currency, Real, Integer, etc.), characters and character string, date (Date, Time, DateTime and Duration), ... store named or indexed subelements. store any complex value: structures, classes, advanced types, arrays, associative arrays, queues, stacks and lists. handle the NULL value in WLanguage. store interactions with ActiveX objects and Automation programming....
Managing dates and times
WINDEV, WEBDEV and WINDEV Mobile propose several methods for managing dates and times in your applications......
SCM: Migrating projects
When changing the version of the development tool, the projects found in the SCM must be migrated to this new version......
WDAdminHF: Saving the databases
The remote HFSQL administrator allows you to create backups of HFSQL Client/Server data files......
HPass (Function)
Defines the password used to create or open a data file.
Additional setup modules
The setup wizard allows you to include additional modules in the setup. The additional modules are used to add additional options to the setup program and to access the advanced setup parameters....
<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....