ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

SEO of a WEBDEV site
In order for your site to get visitors, the Web users must be able to find it......
BurnerErase (Example)
Usage example of the BurnerErase function
Query editor
The query editor is used to automatically create queries on the data files......
dCrop (Function)
Returns the cropped part of an image. This image is found in an Image variable.
WDTrans: Delete the records in transaction
Transforms all the records "in transaction" into "normal" records if these records do not belong to a transaction currently in progress......
Quick search in the current code
When coding, developers often need to do a quick search in the current code...
MDL file (kept for backward compatibility): Window description
The MDL file is the file used to generate a RAD window......
Layout control properties
You can manipulate Layout controls (and its cells) in a window or page using the following WLanguage properties......
AddChildDelayed (Property)
The AddChildDelayed property indicates the procedure to be called when a row in a TreeView or TreeView Table control is clicked to be expanded.
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......
OCR: Convert an image to text
An OCR (Optical Character Recognition) system analyzes an image to extract the text it contains......
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.
zipAddFile (Function)
Adds a file (of any type) into an archive in CAB, ZIP, WDZ and 7z, TAR or TGZ (TAR.GZ) format and compresses it.
Assignment operators
Three assignment operators are available......
Welcome to WINDEV, WEBDEV and WINDEV Mobile
The home page allows you to easily perform the operations for creating and opening projects......
Delete (Reserved word)
The memory occupied by a dynamic object (array, class object, ...
Manipulating controls in a page
The different operations that can be performed on the page controls are as follows......
TreeView constants
List of constants used by the TreeXXX functions...
SpreadsheetFreeze (Function)
Used to freeze the display of a row or column in a Spreadsheet control.
Query technical documentation
The query editor automatically creates a technical documentation for each query......
Positioning marks in the code
The positioning marks are used to "tag" specific lines of code......
dFill (Example)
Usage example of the dFill function
Defining a help window template
WINDEV allows you to create help window templates......
Radio Button control properties
List of properties associated with a Radio Button control...
OCRExtractText (Function)
Reads the text contained in an image.