ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Link Description (Type of variable)
A Link Description variable is used to describe a link between two data files through programming.
GUIDAnalysis (Property)
The GUIDAnalysis property returns the GUID of the analysis that was used to create the data file.
HDeleteScheduledOptimization (Function)
Deletes a scheduled optimization task from HFSQL Client/Server data files....
Heatmap chart
The Heatmap chart is used to represent in 2 dimensions data with 3 axes of values......
Custom title bar with menus and controls
There is a new trend in UI design: application menus in the title bar!...
Creating and testing a query with parameters
Regardless of the query type (Select, Insert, Delete, Update) and regardless of its creation mode (with the wizard or by SQL directly), you have the ability to use parameters. The name of the parameter is specified when creating the query....
TrafficInfo (Property)
The TrafficInfo property is used to: determine whether traffic information is displayed in the Map control. display or hide traffic information in the Map control....
HBackward (Function)
Moves backward several records from the current position in the data file, according to a specified item.
WDMap: Adding, modifying and deleting the records of a data file
WDMap allows you to perform simple operations (addition, modification or deletion) on the records found in a data file......
WDOptimizer: Overview
The different operations that can be performed with WDOptimizer are as follows......
HSuggestKey (Function)
Returns a list of keys to add to data files to improve query performance.
Drop-down button
The drop-down button expands: a context menu. a popup window....
TableSelectToFile (Function)
Positions on the data file record corresponding to a row selected in the multiselection browsing Table control.
DeleteParameter (Function)
Deletes a parameter (or a set of parameters) saved either by SaveParameter, or automatically via the persistence of data in the controls.
Principle for running threads
At runtime, an application runs in a main thread......
H.LanguageCreationUnicode (Variable)
Allows you to define the characteristics of the sort for the Unicode items found in a data file.
Unicode in character strings
UNICODE is an encoding system that assigns a unique number to each character....
Sort the data displayed in your tables in one click
Report data source
...The reports can be created with the data coming from:...
Developing an iOS 14 widget
An iOS widget is an application intended to be displayed as a widget on iOS devices (iPhone, iPad, etc....
Testing a WEBDEV site on a mobile device
It is increasingly common for developers to test websites on mobile devices......
Automatic assisted universal replication
The automatic assisted replication is used to easily implement a replication on an existing application......
NullAllowed (Property)
The NullAllowed property is used to manage the NULL value in the items of HFSQL data files.
HModifyFileRights (Function)
Modifies the rights granted to a user or group on an HFSQL Client/Server data file....
HRecordToString (Function)
Converts the content of the current record to string (in a data file, HFSQL view, query, etc.).