ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Application patch
Once an application was installed, the application library had to be reinstalled whenever a modification was performed (WDL file)...
Application installation: single-user or network?
WINDEV proposes several types of setup for a WINDEV application...
What is an application?
An application is a set of objects (windows, controls, ...
Operating mode of HFSQL application
An HFSQL application can operate in network mode or in Client/Server mode...
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...
.NET application
To create a.NET application from a project...
Changing an application to 64-bit
WINDEV allows you to develop 64-bit applications...
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...
Performance profiler
The performance profiler is a tool for checking and optimizing the execution time of your application...
geoRunApp (Function)
Starts the device's native maps application to display:
  • a specific geographical location,
  • a route between two locations.
AppDetectUPDAvailable (Function)
Disables or customizes the automatic check for available updates.
RETURN statement
The RETURN statement is used to exit the current event, process or procedure and return a result...
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.
Developing applications for Android
WINDEV Mobile allows you to develop applications for the Android operating system...
REP files
REP files contain the list of data files handled by the application.
Creating a WEBDEV project
A project is a logical set of elements and processes whose purpose is to accomplish a given objective...
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...
Creating a WINDEV Mobile 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...
EmailRunApp (Function)
Starts the native email application on the current computer:
  • Computer running Windows,
  • Mobile device (Android, iPhone, iPad).
Local network (LAN) setup
Deploying a setup on a local area network (LAN) involves installing and updating a WINDEV application via a reference server,.
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)...
SMSRunApp (Function)
Starts the native application for sending SMSs found on the device (Android or iPhone/iPad).
JITc
The principle of JITc technology (Just In Time Compilation) is straightforward...
Setup in MSI format
You can create MSI installers...
Generating and deploying 64-bit applications
WINDEV allows you to automatically generate and install a 64-bit application.
How to create a patch?
Custom tooltips
Tooltips are very useful for application users...
MSIX installation packages
Keyboard shortcuts
The main keyboard shortcuts in the editors are as follows...
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...
DashSaveConfiguration (Function)
Saves the configuration of a Dashboard control in string format.
HTML Display control processes
WINDEV and WINDEV Mobile include different WLanguage events associated with HTML Display...
MinValue (Property)
The MinValue property is used to: get and set the bottom value of a report based on a data...
Customizing the report viewer (preview)
You can display a print preview in the report viewer......
ScheduledTask structure
The ScheduledTask structure is used to define the characteristics of a scheduled task......
WINDEV 2024: New WLanguage features
In version 27, new functions, properties and data types have been introduced...
sfSeekUpdatedResult (Type of variable)
The sfSeekUpdatedResult type is used to find out the result of SFSeekModified...
FillType (Property)
The FillType property is used to determine the type of source used to populate Table, List Box,...
ByAddress (Property)
The ByAddress property is used to determine if a procedure parameter was passed by address.
ElementWidth (Property)
The ElementWidth property is used to: Find out or modify the width of the elements...
ElementHeight (Property)
The ElementHeight property is used to: Find out or modify the height of the elements...
PDFMergeWithPassword (Function)
Merges several existing and password-protected PDF files into a single PDF file.
Using offline sites
WEBDEV allows you to specify that a site or a set of pages can operate in off-line mode (without...
MarginWidth (Property)
The MarginWidth property is used to: Find out the horizontal margin between the widgets found...
MarginHeight (Property)
The MarginHeight property is used to: Find out the vertical margin between the widgets found...
MapMode (Property)
The MapMode property determines and changes how the map is displayed in the Map control.
TimestampUTC (Property)
The TimestampUTC property is used to: Find out whether a timestamp item will use UTC time...
WinEdCreateNote (Function)
Creates a Repositionable Note control.
CalculatedDefaultValue (Property)
The CalculatedDefaultValue property is used to: Find out the SQL expression that defines...
PersistedCalculatedItem (Property)
The PersistedCalculatedItem property is used to: Find out whether the value of a calculated...
TestCheckFalse (Function)
Checks whether an expression is false in assertive programming and in automated test mode.
Filter (Function)
Returns an array containing the elements of a source array for which a procedure returns True.
HTMLEnableDebugger (Function)
Enables the HTML/JavaScript debugger on CEF-based HTML controls: HTML Display or HTML Editor...
ModbusWriteFloat (Function)
Writes one or more single-precision floats to a Modbus slave, starting at a specific address.
ModbusWriteRegister (Function)
Writes one or more registers (16-bit values) to a Modbus slave, starting at a specific address.