ONLINE HELP
 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...
HListStoredElement (Function)
Returns the list of elements stored on an HFSQL server (sets of procedures, stored procedures...
HReadSeek (Function)
Sets the position on the first record whose value for a specific item is greater than or equal...
iPrintBarCode (Function)
Prints a bar code (inside a rectangle).
<PDF reader>.AddWatermark (Function)
Adds a watermark to all the pages of a PDF file in a PDF Reader control.
HClusterParameter (Function)
Reads and modifies the parameters of an HFSQL cluster.
DriveCreateFile (Function)
Creates a file on the remote disk.
DriveDeleteDirectory (Function)
Deletes a directory (and the files it contains) on an Drive (remote disk).
<Variable Drive>RetrieveDirectory (Function)
Retrieves a directory (and its files) from an Drive (remote disk) and saves it on the user's...
Appendix 3: Configuration file
Bloque entièrement ou partiellement un fichier externe....
InsertLine (Function)
Inserts a row at a given position: into a two-dimensional WLanguage array. into an advanced...
MoveLine (Function)
Allows you to: move a row in a two-dimensional WLanguage array or in an advanced array...
BCDecode (Function)
Decodes the information stored in a QR Code bar code.
ArraySwapLine (Function)
Used to swap two rows in a two-dimensional array or in an advanced array property.
IWListPosition (Function)
Displays the internal window corresponding to the specified position (in the list of internal...
ExecuteUpdateUI (Function)
Immediately executes the "Request for refreshing the display" event of the window, page, internal...
HAddScheduling (Function)
Creates a scheduled task on an HFSQL server: stored procedure, backup, optimization,...
HDeleteScheduling (Function)
Deletes a scheduled task found on an HFSQL server: stored procedure, backup, optimization,...
HModifyScheduling (Function)
Modifies a scheduled task on an HFSQL server: stored procedure, backup, optimization,...
HListScheduling (Function)
Lists the scheduled tasks defined on an HFSQL server: stored procedure, backup,...
HExecuteScheduling (Function)
Immediately runs a scheduled task regardless of its schedule: stored procedure, backup,...
ExecuteUpdateUIParent (Function)
Immediately executes the "Request for refreshing the display" event of the parent. This function...
HRetrieveBackup (Function)
Retrieves locally the content of a compressed backup (in ZIP format) performed on an HFSQL server.
NotifListCategory (Function)
Lists the notification categories of the application.
<Chart>.Interval (Function)
Indicates the interval between values on the vertical and horizontal axis of a chart.
<Chart>.IncreaseData (Function)
Adds a value to a data in a chart.