ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Creating a select query
A select query (corresponding SQL statement......
Modifying an SVG image (XML functions)
SVG (Scalable Vector Graphics) is a vector image format......
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......
Error 31: The file to include is not found. Check the name and path ...
WDAdminHF: Saving the databases
The remote HFSQL administrator allows you to create backups of HFSQL Client/Server data files......
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....
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.
HModifyStructure (Function)
Used to update the structure of an HFSQL data file by performing an automatic data modification (also called data synchronization).
<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.
CtCacheSize (Property)
The CtCacheSize property is used to determine and change the maximum number of records that can be stored in the cache of the Native MySQL Connector.
DescribedName (Property)
The DescribedName property is used to handle the logical name of HFSQL data files (ignoring possible changes made by HAlias).
3. Handling files on an FTP server
FTP (File Transfer Protocol) is a protocol for transferring files from one site to another....
Declaring and using a variable
A variable is defined by name and type......
<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.
<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.
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).
HMigrateLinkedCompositeKey (Function)
Migrates the values of the linked composite keys coming from a file in Hyper File 5.5 format to the HFSQL Classic format.
HToFile (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.
Handling a Check Box control through programming
WINDEV, WINDEV Mobile and WEBDEV allow you to handle a Check Box control through programming......
Managing Google calendars
The Google Calendar service is an Internet application provided by Google that is used to manage a calendar on Internet......