ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Null (Reserved word)
The Null keyword can be used according to different methods in WLanguage...
The List Box control
The List Box control is used to display a list of elements and to select one or more elements from this list......
2. Performance profiler
WEBDEV Tutorial - Optimizing a WEBDEV project Lesson 2 - Performance profiler - 15 min
HFSQL constants
List of constants used by the HFSQL functions....
InfoAsynchronous (Function)
Displays a non-blocking custom message in a system information window.
How to save and retrieve an image in a binary memo
ErrorAsynchronous (Function)
Displays a custom error message in a non-blocking system error window.
2. Performance profiler
WINDEV Tutorial: Optimizing a project Lesson 2 - Performance profiler - 15 min
New Features brochure - Version 28: New WEBDEV features
New features in WEBDEV 28 presented in the New Features brochure....
The email structure
The email structure is a preset structure of WLanguage (no declaration is required)......
Functions for handling directories and external files
List of functions for handling external files...
FTPGet (Function)
Transfers a file or directory from an FTP (File Transfer Protocol) server to the current computer.
WLanguage procedure called by fListDirectory
Procedure ("Callback") called by fListFile for each file found.
Choosing the languages supported by the application
The choice of languages supported by the WINDEV or WINDEV Mobile application or by the WEBDEV site is performed at several levels......
Thread management constants
List of constants used by the functions for managing threads, critical sections, semaphores, mutexes, ......
Generating an application for Universal Windows 10 App
HDuplicateRecord (Function)
Duplicates the record read in a data file: the record found in memory is added into the data file (query or view).
Convert your WINDEV applications into websites
A widespread need today is to transform Windows applications (or parts of applications) into dynamic websites......
fBuildRelativePath (Function)
Returns the path to a file relative to a reference directory.
InfoWithTimeoutAsynchronous (Function)
Displays a custom message in a non-blocking system information window for a given amount of time.
ErrorWithTimeoutAsynchronous (Function)
Displays a custom error message in a non-blocking system error window for a given amount of time.
Telemetry: Viewing data
To see the results of telemetry data for your applications, WINDEV and WINDEV Mobile propose a telemetry editor......
REP files
REP files contain the list of data files handled by the application....
How to choose the data source of a control?
This help page presents the different data sources available for a control....
Constants for managing character strings
List of constants used by string management functions...
New Features brochure - Version 27: New WEBDEV features
New features in WEBDEV 27 presented in the New Features brochure....