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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Time management
For each element (windows, reports, ...
Principle of remote check
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
WINDEV and the communication streams (audio, sound)
To handle the communication streams, WINDEV includes...
Null (Reserved word)
The Null keyword can be used according to different methods in WLanguage...
3-tier architecture
The development in "3-tier" architecture is now simplified...
WebSocketClientConnect (Function)
Establishes a connection between the client and a WebSocket server.
FileFilter (Property)
The FileFilter property gets and sets the filter used to display files: when using assisted...
<Source>.ListItem (Function)
Returns the list of items in a data file (query or view) recognized by the HFSQL engine. The data...
ExecuteRefreshUIParent
Immediately executes the "Request for refreshing the display" event of the parent.
ChronoStart (Function)
Starts a stopwatch to measure the duration of a process (in milliseconds) and resets a running...
EventChange (Function)
Modifies the status of an event.
HError (Function)
Returns the number of the last error triggered by the HFSQL engine.
HErrorDuplicates (Function)
Used to check whether a duplicate error occurred.
HGetCurrentPosition (Function)
Returns the approximate position of current record in the data file.
HSetPosition (Function)
Sets the position on a record, based on the approximate position of one of its items.
HTransactionInterrupted (Function)
Used to find out whether a transaction was interrupted (the transaction was neither validated...
Writing an email
Writing an email in WLanguage consists in filling the email structure of WLanguage......
The email structure
The email structure is a preset structure of WLanguage (no declaration is required)......
FileToScreen (Function)
Automatically updates the controls in a window or page with: the values of the bound items...
ScreenToFile (Function)
Automatically updates: the values of a data file's items in memory with the values...
ExecuteMainThreadAsynchronous (Function)
Executes a procedure in the main thread of the application without waiting for the end...
<Element>.RequestRefreshUI (Function)
Requests the execution of the "Request for refreshing the display" event of the specified element...
<htmlNode variable>.InsertAfter (Function)
Adds a node after the specified node in an HTML document.
GuidedTourStepChange (Function)
Modifies the current step of the guided tour.
<GuidedTour>ChangeStep (Function)
Modifies the current step of the guided tour.
HErrorInfo (Function)
Returns a detailed information about the last error triggered by the HFSQL engine.
<Chrono>.End (Function)
Stops a stopwatch and returns the time elapsed (in milliseconds) since the start of timing (call...
<Chrono>.Resume (Function)
Resumes a stopwatch previously stopped by <Chrono>.Fin or <Chrono>.Pause.
<Source>.FromWindow (Function)
Automatically initializes: the values of a data file's items in memory with the values...
<Description of ParallelTask>.Execute (Function)
Triggers the execution of a parallel task.