ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Property of entity/association
In the MERISE methodology, the properties correspond to the characteristics of entities......
Composite variable
A composite variable contains different types of elements (members)...
iPrintImage (Function)
Sends the image file to print to the print buffer.
Python: Native calls
WLanguage allows for native Python calls......
Code style
A code style is used to automatically prefix the name of all the variables and project elements (windows, report controls, classes, etc....
xmlSignatureInformationKeyX509 (Type of variable)
The xmlSignatureInformationKeyX509 type is used to define the information that must be included in the KeyInfo section of the XML signature.
Start of Document block
The Start of document block is printed once at the beginning of the report execution......
7. Multilingual applications in practice
FileToScreen (Function)
Automatically updates the controls in a window or page with: the values of the bound items in the current record (loaded in memory) of the data file described in the data model editor. the values of the bound WLanguage variables. This operation is performed regardless of the state of the controls (grayed, inactive or invisible)....
Sequence of selection conditions for a query
When at least two selection conditions are found in a query, the sequence of selection conditions must be specified by the conditional operators AND and OR......
Properties associated with the attributes of a Looper control
The attributes of a Looper control found in a window or in page can be handled by the WLanguage properties......
Bar Code control properties
Bar Code controls can be manipulated using different WLanguage properties......
Preventing the use of the browser's "Back" button
If the browser "Back" button is used to display the previous page, this action will have no effect......
2. Analysis in practice
8. OOP
WINDEV Tutorial - WLanguage basics Lesson 8 - OOP - 30 min
The charts
To include charts in your applications or in your sites, WINDEV, WEBDEV and WINDEV Mobile include......
Operations performed on class diagrams
The following paragraphs explain......
Indirection operators
The { and } operators are used to access a control, a variable, a class member or a file item by dynamically building the name of control, variable, class member or item...
How to create a query with external join?
In SQL language, an external join is used to exclude or include file records with or without correspondences in the linked files......
Managing the synchronization
For each action performed in a page, the mechanism for page synchronization automatically checks the synchronization......
Magnetic mouse: automatically moving the cursor on the default button
The mouse cursor can be automatically positioned on the default button when the window is opened......
AutomationEvent (Function)
Branches a procedure to the event of an automation object.
How to create an SQL query to count?
This help page explains how to create a count query with the query editor....
TableColumnSelectOccurrence (Function)
Returns the number of selected columns found in a table. This function is kept for backward compatibility. It is recommended to use TableSelectCount.
Organizer control linked to a data file or to a variable
You have the ability to create Organizer controls linked to data....