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...
DnDGetData (Function)
Retrieves a specific type of data during Drag/Drop....
SchedulerTaskProperties (Function)
Reads the properties of a scheduled task and updates the ScheduledTask structure.
The SMS structure
The SMS structure is a preset structure of WLanguage (no declaration is required)......
ModbusConnectRTU (Function)
Connects a client to a Modbus slave via a serial port.
HDFS constants
The following constants are used by the HDFS functions:...
ModbusConnectTCP (Function)
Connects a client to a Modbus server via transmission control protocol (TCP).
fWriteLine (Example)
Usage example of the fWriteLine function
DnDAccept (Function)
Indicates the action accepted by the target of Drag/Drop and manages the mouse cursor...
DnDCursor (Function)
Manages the mouse cursor and specifies the action allowed during Drag and Drop.
MDL file (kept for backward compatibility): Pattern description
The MDL file is the file used to generate a RAD window......
Including the code
You want to include your code lines in a condition, in a structure, ......
AFTER
Runs a process only after a given procedure has been executed, and continues to execute the current...
Management of PDF files
PDF is one of the most widely used formats for transmitting and storing electronic documents......
DnDCacheData (Function)
Indicates the type of data and the data to copy/move during Drag/Drop....
iPrintDoc (Function)
Prints a document in "docx" format.
The Appointment structure
The Appointment structure is a preset structure of WLanguage (no declaration is required)......
Phone constants (Android / iOS)
Page with parameters
ThreadEnd (Function)
Ends the execution of the current thread.
Native SQL Server Connector: Executing the same stored procedure multiple times
In some cases, it may be useful to execute the same stored procedure multiple times by changing one...
How to write into a text or CSV file?
This help page explains how to write into a text or CSV file....
Copying and cloning
Variables are copied using the "=" operator...
Interactive notifications
A notification is a small window that appears at the bottom right of the screen, and that can...
Constants for managing Scheduler and TimeLine controls
The following constants are used to manage Scheduler and TimeLine controls:...