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,.
Developing applications for Android
WINDEV Mobile allows you to develop applications for the Android operating system...
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...
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...
DateDifference (Function)
Calculates the number of days between two dates.
ProfilerStart (Function)
Starts "collecting information" for the performance profiler.
PDFReaderOpen (Function)
Opens a PDF file displayed in a PDF Reader control.
WorkingDirectory (Property)
The WorkingDirectory property is used to: get or change the directory used by the HTML Editor...
Sound (Function)
Plays a sound in WAV format.
HourGlass (Function)
Transforms the mouse cursor into hourglass (and conversely). In Android and iOS, displays...
dRectangle (Function)
Draws a rectangle: in an Image control, in an Image variable, in a WDPic variable...
EndProgram (Function)
Ends the execution of the current program.
ControlToSource (Function)
Assigns the control value to the source of a control link.
LooperInsert (Function)
Inserts a row into a Looper control.
LooperDeleteAll (Function)
Deletes all rows from a Looper control populated programmatically.
fSize (Function)
Returns the size of a file (in bytes).
BTInfoDevice (Function)
Returns specific information about a Bluetooth device.
HDeleteFile (Function)
Deletes the HFSQL data files (.fic, .ndx, .ftx and .mmo files if they exist) from the server.
fClose (Function)
Closes an external file.
fSaveBuffer (Function)
Creates and fills a text file with the content of a string or buffer variable.
dbgCheckNull (Function)
Checks whether an expression is Null in assertive programming and in automated test mode.
dbgCheckNotNull (Function)
Checks whether an expression is not Null in assertive programming and in automated test mode.
HTMLNavigate (Function)
Starts navigation in an HTML Display control.
HDeleteUser (Function)
Deletes a user associated with a connection to the HFSQL server.
HListUser (Function)
Returns the list of users defined for a connection.
HListGroup (Function)
Returns the list of groups of users defined for a connection.
MutexStart (Function)
Locks the current thread while waiting for the mutex to be freed.
HDeleteGroup (Function)
Deletes (from the server) a group of users associated with a connection.