ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Composite variable
A composite variable contains different types of elements (members)...
Declaring and using a variable
A variable is defined by name and type...
Checkers available in the code editor
The code editor proposes several tools used to correct the code...
Assignment operators
Three assignment operators are available...
Code style
A code style is used to automatically prefix the name of all the variables and project elements (windows, report controls, classes, etc.
IsNumeric (Function)
Enables you to find out whether a variable or a control is:
  • a numeric (integer, real, currency or numeric).
  • a string that can be converted into numeric.
Constant
The constants are language elements whose value is fixed once and for all...
Type inference
The type inference is used to simplify the declaration of variables when the variable type can be automatically deduced by the compiler...
InvalidInputDetect (Function)
Detects and signals an error on required controls left empty and/or controls with invalid data....
The Cube control
The Cube control is a mobile layout control that automatically performs rotations around...
Data persistence
The data persistence is used to store the value typed by the user......
AppointmentRead (Function)
Reads an appointment found in the calendar of a Lotus Notes or Outlook messaging.
MapDeleteShape (Function)
Deletes a shape drawn on the map displayed in an Map control.
ComponentList (Function)
Returns the list of external components (".WDK" files) used by the current WINDEV or WINDEV Mobile...
TaskRead (Function)
Reads a task in the task list of a Lotus Notes or Outlook messaging.
ExeListDLL (Function)
Returns the list of libraries (".DLL" files) used by one of the applications currently run.
Limitations of WINDEV, WEBDEV and WINDEV Mobile
Management of Google documents
Google Docs and Google Spreadsheet are the online word processing and the online spreadsheet...
How to populate a Table control programmatically?
This help page presents the different methods that can be used to populate a Table control...
EmailReadPreviousHeader (Function)
Reads the header of the email found before the current email according to the protocol used (POP3...
How to backup HFSQL Client/Server databases?
The backup of the HFSQL Client/Server databases can be performed......
Project description: Compilation tab
The project description window allows you to configure various elements of your project......
7. Debugger
WINDEV Tutorial - WLanguage basics Lesson 7 - Debugger - 30 min
The Task structure
The Task structure is a preset structure of WLanguage (no declaration is required)......
DiagramUngroup (Function)
Dissociates the different shapes of a group in a Diagram Editor control.
ModbusSendRawFrame (Function)
Sends a raw frame to a Modbus slave. This enables communication with devices that do not strictly...
Error 705: The property does not exist on this type
fStopCompress (Function)
Stops the operation used to compress or decompress a file.
ListDLL (Function)
Returns: at runtime: the list of libraries (".DLL" files) used by the current WINDEV or WINDEV...
Events associated with a Gantt Chart column
How to create an SQL query to get a TOP 10?
This help page presents the method for creating an SQL query used to get the first 10 records......
How to create a query with external join?
In SQL language, an external join is used to exclude or include file records with or without...
HPrepareSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the database server in order...