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...
gImageExists (Function)
Checks whether an image was loaded in memory.
ControlExecuteClosing (Function)
Runs the closing WLanguage event of an office control and displays its confirmation dialog...
Calendar functions (prefix syntax)
<emailOutlookSession variable>.ChangeStatus (Function)
Changes the status of an email on a messaging server.
MaskZipCode (Function)
Retrieves the zip code input mask adapted to a given country.
<ParallelTask variable>.RequestCancellation (Function)
Requests the cancellation of a parallel task.
OCR constants
Adds a language to the native OCR system....
<Source>.LinkMemo (Function)
Used to associate a file with a binary memo item or to cancel the existing link between a file...
CountryList (Function)
Returns the list of all countries or countries of a given continent according to ISO 3166-1.
LoadImage (Function)
Loads an image in memory so that it can be used later by gImage.
HCloseConnection (Function)
Closes a connection to a database.
EmailImportHTML (Function)
Imports, into the Email structure or into an Email variable, the content of an HTML file in order...
<Diagram variable>.StartModification (Function)
Indicates the start of a series of actions performed in a variable of type Diagram in a single...
<Diagram variable>.EndModification (Function)
Indicates the end of a series of actions performed in a variable of type Diagram in a single event...
<htmlNode variable>.ModifyAttribute (Function)
Adds or changes an attribute of the current node of the HTML document.
<pdfPage variable>.AddImage (Function)
Adds an image to a page in an existing PDF file.
HErrorModification (Function)
Used to: return the value of a record item if a modification conflict occurs. check...
HIndexingInProgress (Function)
Indicates that a reindex operation is currently performed on an HFSQL data file and returns...
SpeechRecognitionTrigger (Function)
Triggers the device's speech recognition service....
DriveListeFile (Function)
Lists files in an Drive directory.
DriveCreateDirectory (Function)
Creates a directory on the remote disk.
Drive (Type of Variable)
The Drive type allows handle a Drive generically. To use this type of Variable, it is necessary...
DriveRecoverDirectory (Function)
Retrieves a directory (and its files) from an Drive (remote disk) and saves it on the user's...
<Variable Drive>MoveDirectory (Function)
Move a directory and its contents to another directory on the same Drive (remote disk).
<Variable Drive>SendDirectory (Function)
Sends a directory and its files (present on the user's machine) to an Drive (remote disk)....