ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Tips for an application that uses the User Groupware
To simplify the configuration of user groupware according to the users, the controls should be organized in groups of controls......
"Is Class" operator
The "is <Class>" operator is used to find out whether the object used in an object of the class (or an object of one of its derived classes)...
OOP concepts
A class contains the description of a data structure (members) and the processes (methods) that handle this structure....
Spreadsheet report
The report editor allows you to create "Spreadsheet" reports......
Error 1036: A class used in an array must have a constructor without parameter
Error 1035: A class used in a structure must have a constructor without parameter...
Associated (Property)
The Associated property determines if an element belongs to the base class or to an associated class.
Screen,Raz (External language)
Resets to zero (for a numeric control) or clears (for the other types of controls) the content of the controls found in the current window.
InitWindow (Function)
Initializes (or not) the controls to zero and runs the initialization processes of the controls and the window.
Controls that can be moved in a page
WEBDEV proposes two modes for moving controls in a page......
Overview of OOP (Object Oriented Programming)
The object-oriented programming (called "OOP") is a programming paradigm in which the programs are organized as sets of objects......
The Flexbox control
Flexbox is a standard layout system for web pages......
The Tab control
The Tab control is used to simultaneously display different controls......
Currency + Euro type
In a WINDEV application or in a WEBDEV site, the Euro must be managed in all the controls used to enter or display currency values......
Break management functions
The following functions are used to manage loopers in the Table controls and the Looper controls:...
Source (Property)
The Source property can be used on: a Chart control: in this case, the Source property is used to get the source of the series: Table column, list of values, ... a connection: in this case, the Source property is used to get or set the source of a connection (HFSQL Client/Server, OLE DB, etc.)....
Advanced management of class instances
The advanced management of instances is used to choose the mode for taking reference. This choice directly impacts the freeing of the class objects: depending on the selected take of reference, the "Destructor" will not be called at the same time....
10. Embedded queries
Using objects
To access a class, the object must be declared as being part of the class to handle, this is called object instantiation......
Error 1045: A class cannot be declared outside the declaration code of a class
Error 1046: Wrong parameter for the constructor of the class
InputEnabled (Property)
The InputEnabled property is used to: Determine if a control or a group of controls is editable or read-only. Change the input options for a control or group of controls....
The Cube control
The Cube control is a mobile layout control that automatically performs rotations around the different axes......
10. Embedded queries
10. Embedded queries
The controls from a window can be linked to a data file or existing query, ......