ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Creating a select query
A select query (corresponding SQL statement......
HRecordDate (Function)
Returns the date and time of the last write operation performed on a record in an HFSQL file (Classic or Client/Server)....
<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....
HIndexingInProgress (Function)
Indicates that a reindex operation is currently performed on an HFSQL data file and returns the percentage of reindexing already performed.
<Source>.IndexingInProgress (Function)
Indicates that a reindex operation is currently performed on an HFSQL data file and returns the percentage of reindexing already performed.
Server (Property)
The Server property is used to manage the data source of a connection (HFSQL Client/Server, OLE DB, etc.)....
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......
Retrieving documents coming from Twain devices
Several WINDEV functions allow you to retrieve documents from a Twain device......
Testing and debugging a project on the development computer
The test of the entire project allows you to simulate the start of the application with the executable......
Modifying an SVG image (XML functions)
SVG (Scalable Vector Graphics) is a vector image format......
How to develop a PHP site?
What is a PHP site?......
<Source>.ModifyStructure (Function)
Used to update the structure of an HFSQL data file by performing an automatic data modification (also called data synchronization).
<Source>.NbRec (Function)
Returns the number of records in a file, query or HFSQL view: active records, crossed records, deleted records, etc.
<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....
FilterWithBounds (Property)
The FilterWithBounds property is used to determine if bounds have been specified for the filter implemented by HFilter on an HFSQL data file, view or query.
DescribedName (Property)
The DescribedName property is used to handle the logical name of HFSQL data files (ignoring possible changes made by HAlias).
HModifyStructure (Function)
Used to update the structure of an HFSQL data file by performing an automatic data modification (also called data synchronization).
Declaring and using a variable
A variable is defined by name and type......
3. Handling files on an FTP server
FTP (File Transfer Protocol) is a protocol for transferring files from one site to another....
Global procedure/function
A global procedure can be used in all the processes or events of the project....
<Source>.ToFile (Function)
Copies a data source (file, query, view, ...) to a physical HFSQL file with the same description. This file is neither encrypted nor password protected.
FileToMemoryTable (Function)
Populates a Table control programmatically with the records from a data file, HFSQL view or query (query created in the query editor or with HExecuteSQLQuery).
<Source>.MigrateLinkedCompositeKey (Function)
Migrates the values of the linked composite keys coming from a file in Hyper File 5.5 format to the HFSQL Classic format.