ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Stemming (Property)
The Stemming property is used to enable stemming and to define the language used for stemming in a full-text index defined through programming.
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....
Recycle code windows
By default, a single code window is opened per ......
Binding a Combo Box control to an item
The Web Camera control
...The Web Camera control is used to view a file that is refreshed at regular time intervals....
Signature of iOS applications
Signing an application is mandatory from Xcode 8......
Linking a Combo Box control to a data file
A List Box or Combo Box control can be used to display the content of a data file, to allow a user to select a record, for example......
Time management help
Time management is extremely important......
ERR_LAUNCH_FAILED
HFSQL: Change of name
InWindowsStoreAppMode (Function)
Indicates whether the code is run in Windows Store apps mode. Function kept for backward compatibility....
RepeatableReadSupported (Property)
The RepeatableReadSupported property is used to: Determine if the data file (defined in the data model editor or programmatically) can be used in HFSQL Client/Server in a transaction that includes a "Repeatable Read" isolation mode. Allow the use of a transaction that includes a "Repeatable Read" isolation mode for a data file (files described programmatically only)....
MaxNbSegment (Property)
The MaxNbSegment property is used to get and change the maximum number of line segments for drawing a Wire control.
InPrelaunchedSessionMode (Function)
Used to find out whether the site is started in "pre-launched session" mode of WEBDEV.
Creating a delete query
A delete query (corresponding SQL statement......
ERR_BAD_FILE
NullIfEmpty (Property)
The NullIfEmpty property is used to: Find out whether the value returned by the control is NULL if its content is empty. Configure the value returned by the control if its content is empty....
Debugging without debugger
In some cases, running a program or a site with or without the debugger can produce different results......
Zombie data files and items
During the life of an application, items live and die......
List Box control linked to a data file or to a query
A List Box or Combo Box control can be used to display the content of a data file or query, to allow a user to select a record, for example......
Configuring the development environment
WINDEV, WEBDEV and WINDEV Mobile propose different modes for using the development environment......
InWindowsStoreAppSimulatorMode (Function)
Identifies whether or not the code is executed in the simulator for applications in Windows Store mode. Function kept for backward compatibility....
InWinRTMode (Function)
Indicates whether the code is run in WinRT mode (Windows Store apps). Function kept for backward compatibility....
Translating the code
WINDEV, WEBDEV and WINDEV Mobile allow you to automatically translate your WLanguage code from English into French and vice versa......
Warning 127: You are using a data source local to the process