ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Extension procedure
By using extension procedures, you can add your own WLanguage procedures to different types of variables (string, date, color etc.)...
SysUnlinkExtension (Function)
Deletes the association between an extension and a command that was created by SysLinkExtension.
SysGetExtLink (Function)
Returns the command linked to an extension.
fChangeExtension (Function)
Changes the extension of a file on disk.
SysLinkExtension (Function)
Associates an extension (.txt, .avi, etc.) to a default execution program.
TwainToBMP (Function)
device in a Bitmap file (".BMP" extension). view the document coming from the Twain device in the user...
Useful parameters of a procedure
A procedure can declare some parameters that are not immediately used. In this case, a warning...
Restoring a project backup
in an archive file (ZIP extension)......
Passing parameters
The parameters can be passed to a procedure......
Automatic completion
The automatic completion helps you write WLanguage code in your applications......
Automated test created by the user
WINDEV allows the user to record a test scenario in order to send it to the quality service...
Handling data files in PHP
WEBDEV allows you to create a PHP site that handles data files......
6. HFSQL Client/Server clusters
6. HFSQL Client/Server cluster
Zombie procedures
In most cases, old code contains procedures that are used but that do no longer match the current...
6. HFSQL Cluster
HFSQL Cluster is an extension of the HFSQL Client/Server database model....
Serialize (Function)
Transforms the following elements into a specific format: a structure (and its subelements),...
Variable Description (Type of variable)
The Variable Description type is used to get information about a variable or a member.
How to loop through the files of a directory?
This help page presents the different methods that can be used to loop through the files...
Special paste
The Special paste command is used to explicitly choose the format in which the clipboard content...
Character strings
WLanguage supports different types of strings....
Setup of a WEBDEV site: Creating library
A library (file with a WDL extension) is used to group the resources of the project (pages,...
Instantiation of an object
To access a class, the object must be declared as being part of the class to handle, this is called...
Global and local variable
Two types of variables are available......
Declaring a procedure/a function
The different syntaxes for declaring a procedure...
Organizing the directories of a project
When creating a project, a directory specific to this project is automatically created......
Translating a text file with WDTRAD
Internal procedure
Several features require a procedure called once or several times via a WLanguage function...
Code history
The code history is used to......
Keyboard shortcuts
The main keyboard shortcuts in the editors are as follows......
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