ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Time management
For each element (windows, reports, ...
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...
WINDEV and the communication streams (audio, sound)
To handle the communication streams, WINDEV includes...
Principle of remote check
WEBDEV proposes several methods for deploying a dynamic site...
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
HConnect (Function)
Redefines one or more connection parameters via Native Connector (Access, SQL Server, MySQL...
EmailSaveAttachment (Function)
Copies the attachment of current email onto the user computer (locally).
EmailStartSMTPSession (Function)
Starts a session for sending emails with the SMTP protocol.
EmailUpdate (Function)
Updates the messages of MS Exchange according to the email server.
grDeleteSeries (Function)
Deletes a data series from a chart.
grAddData (Function)
Adds a data into a chart.
Break in a Looper control
A break in a Looper control is used to group the data corresponding to one or more arguments......
Animating the windows of a WINDEV application
To give your applications an outstanding style and to impress the users when starting...
ArrayAddLine (Function)
Adds a row at the end: of a one- or two-dimensional WLanguage array. of an advanced...
ArrayInsertLine (Function)
Inserts a row at a given position: into a two-dimensional WLanguage array. into an advanced...
ArrayDeleteLine (Function)
Deletes a row at a given position: from a two-dimensional array. from the advanced array...
ArrayMoveLine (Function)
Allows you to: move a row in a two-dimensional array or in an advanced array property....
<pdfPage variable>.AddWatermark (Function)
Adds a watermark to a page of an existing PDF file.
<Window>.OpenAsynchronous (Function)
Opens a window whose result will be retrieved via a WLanguage procedure ("callback").
<PDF reader>.NbSignatures (Function)
Gets the number of signatures in a PDF Reader control.
<pdfDocument variable>.GetSignatureDate (Function)
Gets the date of one of the signatures of a PDF document.
<Source>.Delete (Function)
Deletes a record from a data file (query or view).
<Source>.StatTime (Function)
Returns the time of the last update for the index statistics.
ErrorBuild (Function)
Displays a custom error message in a system error window.
<Array>.Shuffle (Function)
Shuffles the elements of a WLanguage array.
DriveListeDirectory (Function)
Lists the directories of an Drive.
<Window>.EdDeselectAll (Function)
Deselects all the controls when the interface is modified by the end user ("Allow end users...
<Window>.EdSelect (Function)
Returns one of the controls selected when the interface is modified by the end user ("Allow end...
<Window>.EdSelectOccurrence (Function)
Indicates the number of controls selected when the interface is modified by the end user ("Allow...
<Window>.EdSelectPlus (Function)
Selects a control when the interface is modified by the end user ("Allow end users to modify...