ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

What is an application?
An application is a set of objects (windows, controls, ...
Application installation: single-user or network?
WINDEV proposes several types of setup for a WINDEV application...
Activating an application or a site
When distributing an application or a site, you may want to offer both a full version and a limited version...
Changing an application to 64-bit
WINDEV allows you to develop 64-bit applications...
Application patch
Once an application was installed, the application library had to be reinstalled whenever a modification was performed (WDL file)...
Operating mode of HFSQL application
An HFSQL application can operate in network mode or in Client/Server mode...
Deploying an application that uses an external component
An application that uses one or more external components is deployed in the same way as a standard application...
.NET application
To create a.NET application from a project...
Setup by HTTP (Network setup via IP)
The network setup via HTTP consists in installing and updating a WINDEV application via an HTTP server (Live update)...
Creating a WEBDEV project
A project is a logical set of elements and processes whose purpose is to accomplish a given objective...
Creating a WINDEV project
A project is a logical set of elements and processes whose purpose is to accomplish a given objective...
Setup in MSI format
You can create MSI installers...
JITc
The principle of JITc technology (Just In Time Compilation) is straightforward...
SMSRunApp (Function)
Starts the native application for sending SMSs found on the device (Android or iPhone/iPad).
geoRunApp (Function)
Starts the device's native maps application to display:
  • a specific geographical location,
  • a route between two locations.
Generating and deploying 64-bit applications
WINDEV allows you to automatically generate and install a 64-bit application.
Keyboard shortcuts
The main keyboard shortcuts in the editors are as follows...
RETURN statement
The RETURN statement is used to exit the current event, process or procedure and return a result...
REP files
REP files contain the list of tables handled by the application.
How to create a patch?
Closes a WINDEV window (and returns a value if necessary).
Performance profiler
The performance profiler is a tool for checking and optimizing the execution time of your application...
EmailRunApp (Function)
Starts the native email application on the current computer:
  • Computer running Windows,
  • Mobile device (Android, iPhone, iPad).
MSIX installation packages
ListDLL (Function)
Returns:
  • runtime List of libraries (".DLL" files) used by the current WINDEV application, WINDEV Mobile or WEBDEV site. Only the libraries loaded in memory are listed.
  • in test mode: all libraries installed on the current workstation.
AppDetectUPDAvailable (Function)
Disables or customizes the automatic check for available updates.
Local network (LAN) setup
Deploying a setup on a local area network (LAN) involves installing and updating a WINDEV application via a reference server,.
Creating and deploying the installation program: How do you do it?
Creating the setup program allows you to deploy a WINDEV application on the end-user computers...
Creating a WINDEV Mobile project
A project is a logical set of elements and processes whose purpose is to accomplish a given objective...
Developing applications for Android
WINDEV Mobile allows you to develop applications for the Android operating system...
Custom tooltips
Tooltips are very useful for application users...
Same source code for 32 and 64-bit applications
The 64-bit operating systems are starting to appear on the PCs and on the servers...
WLanguage procedure called by WebSocketClientConnect
WLanguage procedure ("callback") called by WebSocketClientConnect when the connection to the server...
HRestoreBackup (Function)
Used to restore: an immediate backup (performed by HBackup or via the HFSQL Control Center),...
FTPSend (Function)
Transfers a file or directory to an FTP server (File Transfer Protocol).
HDeclareExternal (Function)
Temporarily imports into the current database schema the description of a table from an existing...
HCreationIfNotFound (Function)
Performs the following operations: If the file does not exist, creates an empty data file...
Warning 127: You are using a data source local to the process
dCrop (Function)
Returns the cropped part of an image. This image is found in an Image variable.
VariantToJSON (Function)
Converts the content of a Variant variable to JSON.
WebserviceWriteHTTPHeader (Function)
Adds an additional HTTP header to a request of a REST Webservice.
<zipArchive variable>.AddFileList (Function)
Adds a list of files (of any type) into an archive in ZIP, CAB, WDZ or 7z format and compresses it.
Note (Property)
The Note property is used to: Find out the notes associated with a control, a window, a page...
XMLCancelSearch (Function)
Cancels the search performed by XMLFind.
WLanguage procedure called by WebSocketClientConnectSSL
WLanguage procedure ("callback") called by WebSocketClientConnectSSL when the connection...
TelemetryConfigure (Function)
Gets and sets the telemetry settings.
HWatchStop (Function)
Stops watching a table on an HFSQL server.
SchedulerInfoXY (Function)
Returns the appointment, the resource or the date found at given position in a Scheduler control.
Bold (Property)
The Bold property is used to: Find out whether a Font variable is bold. Modify the bold...
AIDetect (Function)
Detects various elements in an image: objects, faces, etc. This detection is made possible...
ThreadCurrent (Function)
Returns the name of the thread currently run.
iAreaHeight (Function)
Calculates the height of a fixed-width area required to print the entire text that uses the current...
MapGetPosition (Function)
Returns the geographical position of the point located in the center of the map currently displayed...