ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Error 531: The negative or null subscripts are not allowed
DNS functions
Process (Type of variable)
The Process type is used to define the characteristics of the remote application that can be started by ExeRemoteRun.
22 tips for optimizing the speed of a site
When a site is on-lined, one of the main expectations of Web users is speed......
WLanguage functions available in PHP
Some WLanguage functions are not available in PHP......
11. Choosing the action of a button/link
Defining specific character sets in HFSQL data files
When an application is used to display or save data in HFSQL files, this data is entered in the current language......
Bitwise operators
The operations on binary values are performed......
Programming the browsing Looper controls
These are the main concepts for programming Looper controls based on a data file......
The Appointment structure
The Appointment structure is a preset structure of WLanguage (no declaration is required)......
14. PHP generation in practice
<Source>.PrepareSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the database server in order to optimize the next executions of this query.
HPrepareSQLQuery (Function)
Initializes a query written in SQL language and declares this query to the database server in order to optimize the next executions of this query.
Managing connections
WINDEV, WEBDEV and WINDEV Mobile propose different methods for describing a connection......
Handling a TreeView Table control programmatically
This page explains how to program TreeView Table controls......
Execute (Function)
Starts the execution of a process through programming.
Code editor: Assisted input
The following mechanism allows developers to write WLanguage code more easily in the code editor ......
nWDSetParentNext
Set the parent of the next window to open......
Managing the Unicode format in the HFSQL files
The analysis proposes two types of Unicode items......
Custom telemetry
Custom telemetry allows you to define the elements that will be included in the analytics......
Animation management functions
WINDEV proposes several WLanguage functions for managing animations......
Programming Table controls based on a data file
This page explains how to program Table controls based on a data file......
Displaying a page in a WEBDEV site
Displaying a new page in a WEBDEV site can be done according to several methods......
Stored procedures and queries (HFSQL Client/Server)
The stored procedures are used to simplify the development and the maintenance of your applications by factorizing the code......
How to color a control with focus?
This help page explains how to highlight the control where the input is performed....