ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Null (Reserved word)
The Null keyword can be used according to different methods in WLanguage...
Customizing the report viewer (preview)
You can display a print preview in the report viewer......
Creating anchors
The anchors are used to define specific points in a help page......
Cleaning the project
After months or years of development and maintenance, the directory of your project often contains several files that are not used anymore but that you don't dare delete......
Data persistence
The data persistence is used to store the value typed by the user......
Dark theme on mobile devices
The latest versions of mobile OSs allow you to switch applications to a dark theme to reduce battery consumption or to make the device easier to use in a low-light environment......
Unavailable functions and properties
Some functions and properties have been removed from WLanguage......
Creating an interactive diagram
The Diagram Editor control allows end users to create and edit diagrams......
Reintegrating text into a project
All the text form the translation file can be reintegrated into a project......
WDInst: Configuring the setup computer
When creating the setup program, WDInst allows you to configure the computer where the program will be installed......
WDInst: advanced options for the network setup
The advanced options of the network setup are used to......
Characteristics of a PCL print
The result of a PCL print mainly depends on the technical features of the printer used (management of images and lines, management of fonts, ......
WDLog: Overview
The different operations that can be performed with WDLog are as follows......
Appendix 3: Configuration file
Bloque entièrement ou partiellement un fichier externe....
UMC: Implementing and managing the "User Macro-Codes"
Regardless of the skill of the development team, the end user will always want to do something that has not been planned for......
<Window>.FromSource (Function)
Automatically initializes the controls of a window with: the values of the bound items in the current record (loaded in memory) of the HFSL data file described in the data model editor. the values of the bound WLanguage variables....
Creating user accounts
A User account allows the server administrator to......
Programming standard in Windows Vista and later
To increase security against worms and viruses, Windows Vista/7 implemented the UAC (User Account Control) mechanism....
GDPR: Overview
GDPR (General Data Protection Regulation) will replace "Data Protection Directive" on 25th May 2018......
Automatic documentation of procedures and methods
To simplify the maintenance or the use of existing code by other developers, WINDEV proposes an automatic documentation for the procedures (or class methods)......
<Window>.FromFile (Function)
Automatically updates the controls in a window or page with: the values of the bound items in the current record (loaded in memory) of the data file described in the data model editor. the values of the bound WLanguage variables. This operation is performed regardless of the state of the controls (grayed, inactive or invisible)....
Defining clickable areas
In a page, an Image control can contain clickable areas......
Transactions in HFSQL Client/Server mode
To keep maximum compatibility between HFSQL Classic applications (single-user or multi-user) and HFSQL Client/Server applications, the transaction mechanism in HFSQL Client/Server mode is similar to the one in HFSQL Classic mode......
Using the WINDEV windows from the Java source codes
WINDEV can be used to generate windows for a Java application......
The Breadcrumb control
The "Breadcrumb" control corresponds to a series of links allowing the Web user to go back into the logical tree structure of a site......
Requirement
To manage the project development lifecycle, the Project Management Hub allows you to set requirements......