ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries......
HFlush (Function)
Forces the operating system of the computer where the data files are found to write data onto the disk.
HNoModif (Function)
Forbids all the modifications on a data file (for all the programs, including the one that requested the no-modification policy).
HReset (Function)
Initializes: one or all variables of file items with their default values. one or all items of a Record variable with their default values....
HSecurity (Function)
Enables or disables the automatic security mechanism on one or more data files.
HHistoryModification (Function)
Returns the modifications performed on one or more items of a given record. The result can be displayed in a list box or in a table to allow the user to view the modifications made to the specified file.
HEndNoModif (Function)
Unlocks a file that was locked by the same program with HNoModif.
The report editor
WINDEV, WEBDEV and WINDEV Mobile allow you to create reports with the report editor......
Burning a CD/DVD
Several WLanguage functions are used to burn the CDs or DVDs......
HOpenAnalysis (Function)
Opens an analysis in HFSQL Classic format.
WINDEV applications for Linux: Specific features
Handling XLS files
WINDEV and WEBDEV propose two methods for handling the Excel files......
HFSQL Control Center: Overview
The HFSQL Control Center is used to manage the different HFSQL databases (Network, Mobile, Client/Server) found in the company......
Client/Server: Connecting the client computers to the server
In order for the application to be able to handle the data files found on the HFSQL server, the connection that will be used by the application must be defined in the project......
HFSQL thumbnails
To optimize the display of images in your application or in your site, you have the ability to use HFSQL thumbnails......
Native SQLite Connector
WINDEV and WEBDEV propose a Native Connector to SQLite. This Native Connector allows you to access an SQLite database from a WLanguage program without using an external driver....
WDLog: Viewing a log file
WDLog is used to view the content of a log file......
Managing HFSQL Client/Server files
The HFSQL Control Center allows you to fully manage HFSQL Client/Server data files......
Query
A query is used to interrogate a database in order to view, insert, modify or delete data......
nWDGetHFContext: Get the HFSQL context
Gets the HFSQL context (applies to C, Pascal and Visual Basic only)......
Handling Context Menu controls programmatically
WEBDEV includes different WLanguage functions and properties to handle Context Menu controls programmatically......
Developing 64-bit sites
You can deploy 64-bit compatible sites......
Managing HFSQL Client/Server databases
The HFSQL Control Center allows you to fully manage HFSQL Client/Server databases......
The different types of Table controls: populated programmatically, with or without access to the data source
WINDEV, WEBDEV and WINDEV Mobile allow you to use......
How to create an SQL query to get a TOP 10?
This help page presents the method for creating an SQL query used to get the first 10 records......