ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Error 1036: A class used in an array must have a constructor without parameter
WEBDEV styles
The WEBDEV styles are advanced styles, easier to use than the CSS styles......
Page menu
WEBDEV allows you to create a drop-down menu in your HTML pages......
The Dockable Panel control
The Dockable Panel control allows you to easily organize the software interface into zones that the end user can freely move......
External language: Programming in Fortran
We are going to call the elements developed in WINDEV (project, windows, analysis, ......
WINDEV and OPC
OPC stands for "OLE for Process Control"......
Manual deployment of a dynamic site
WEBDEV proposes several methods for deploying a dynamic site......
How to create a patch?
Classes, members, methods and properties
A class is made of......
5. Custom-Folders: Organize your project
Project configurations allow you to easily define the "target" platforms of the project....
Error 1046: Wrong parameter for the constructor of the class
Error 1045: A class cannot be declared outside the declaration code of a class
6. HFSQL Cluster
HFSQL Cluster is an extension of the HFSQL Client/Server database model....
ERR_CLOSED_PAGE
Error 1022: The access to the method of the class is restricted by a protected inheritance
Preset page templates
The preset page templates provide some structures of pages corresponding to a wide range of sites and they also improve the re-usability and the graphic harmony between the projects......
Instantiation of an object
To access a class, the object must be declared as being part of the class to handle, this is called object instantiation......
Notifications of an HFSQL server
A server may encounter problems without any user (or developer) noticing anything. For example: a scheduled task may fail, an automatic backup may fail, a node may become inactive in a HFSQL cluster, ......
ExtractString (Function)
Allows you to: extract a substring from a string based on a specified string separator. search for substrings in a string based on a specified string separator....
How to clone and use columns in a Table control?
In some cases, a Table control must be filled with an unknown number of columns (when creating the control)....
Binding an Image control to an item
An Image control can correspond to an item found in a data file, in a query, ......
The "Images" pane
The "Images" pane allows you to view and list all the images in the project directory and subdirectories......
Pre-launched sessions
A pre-launched session is a session of a Web site (or webservice) automatically started on the Web server from the WEBDEV Application Server......
Installing an HFSQL Client/Server server with an application
When creating the setup program of a WINDEV application using HFSQL Client/Server data files, the wizard allows you to......
Data model editor: Describing a connection
Any program developed with WINDEV, WEBDEV or WINDEV Mobile can easily access......