ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Locking data files: correspondence between WINDEV 5.5 and the later versions
The triggers
A trigger is a WLanguage procedure automatically called by the HFSQL engine whenever a modification is performed (addition, deletion, modification, ......
Interactive notifications
A notification is a small window that appears at the bottom right of the screen, and that can be viewed at any time in the Windows notification area......
WDZip: Creating or modifying an archive
This help page explains how to......
What is a database?
A database is an organized collection of data for a particular purpose (e.g., manage orders)......
Summary table: Installing an application developed in WINDEV
When developing an application, one of the important steps consists in deploying this application on the user computers......
NetClientMessageBox (Function)
Displays a dialog box on each client computer connected to the server. This function is kept for backward compatibility....
HSetServer (Function)
Used to find out and modify some settings of HFSQL Client/Server server....
<Connection variable>.SetServer (Function)
Used to find out and modify some settings of HFSQL Client/Server server....
ScreenToSource (Function)
Automatically initializes: the values of a data file's items in memory with the values from the controls in the window. the value of the WLanguage variables with the value of the window controls. This function is also available for WEBDEV pages....
ScreenToFile (Function)
Automatically updates: the values of a data file's items in memory with the values from the controls in the window. the value of the WLanguage variables with the value of the window controls. This function is also available for WEBDEV pages....
SourceFromWindow (Function)
Automatically updates: the values of a data file's items in memory with the values from the controls in the window. the value of the WLanguage variables with the value of the window controls. This function is also available for WEBDEV pages....
HFSQL Client/Server database: Recommendations
This help page presents the main recommendations for optimizing the security and performance of an HFSQL Client/Server database according to the constraints and desired features......
Standard dialog boxes
The dialog boxes are standard windows that allow you to communicate with the user......
WDINT overview
WDINT is an optional tool of WINDEV, WEBDEV and WINDEV Mobile......
Using WDMSG
The different steps for translating the project messages with WDMSG are as follows:...
<Source>.FromWindow (Function)
Automatically initializes: the values of a data file's items in memory with the values from the controls in the window. the value of the WLanguage variables with the value of the window controls. This function is also available for WEBDEV pages....
15. Repeating a group of controls: loopers
<Window>.ToSource (Function)
Automatically updates: the values of a data file's items in memory with the values from the controls in the window. the value of the WLanguage variables with the value of the window controls. This function is also available for WEBDEV pages....
WDInst: managing the files to install
The setup editor WDInst is used to manage the files to install......
Filtering the headers and the content of a Pivot Table
By default, the entire data found in the data files is taken into account when calculating the content of a Pivot Table control......
HFSQL Client/Server: Principle for saving the databases
Like for any database, backups of your HFSQL Client/Server databases must be performed on a regular basis......
WDMSG
You can create multilingual projects in WINDEV, WEBDEV or WINDEV Mobile......
19. Upload: Sending files to the server
HFSQL Control Center: Creating and executing a query
The HFSQL Control Center allows you to create a query based on the data files of the database currently displayed in the Control Center......