ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Carrying over the differences from an element to another one
The project comparator is used to compare two elements and to list the differences found...
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Example for creating a select query
This help page explains how to create two select queries...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
Query: Displaying the records corresponding to a given period
When a "Date" item is found in the query, you have the ability to only select the records corresponding to a given period...
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Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
Joins between the tables of a select query
When several tables are used in a query, the query editor automatically searches for the links between these tables described in the database schema...
Project comparator
Comparing two windows (two pages, two reports, two classes, ...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Creating a query
Two methods can be used to create a query...
Creating a select query
A select query (corresponding SQL statement...
Test of a query
The query editor allows you to run the test of query result...
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries...
Result of a query in test mode
After its execution in test mode (see Running the query test), the result of the query can be...
Environment of the query editor
When creating a class in the code editor, the Constructor and Destructor methods are automatically created by default...
Items used in a select query
A query created in the query editor can contain several types of items...
Creating an insert query
An insert query (corresponding SQL statement...
gClickableLink (Function)
Adds a clickable link in a graphic string.
Share your projects via Git
Git is a source code manager......
The Layout control
The Layout control simplifies the implementation of dynamic UIs where controls are displayed and/or hidden programmatically......
Images and buttons
WINDEV, WEBDEV and WINDEV Mobile include many features to improve the appearance of applications and sites......
TABOrder (Property)
The TABOrder property gets and sets the position of a control in the tab order of a window.
TableAddTitleHeader (Function)
Adds a column title-header into a Table or TreeView Table control in a window.
ListSelectMinus (Function)
Deselects an element in a List Box, ListView or Combo Box control.
InputType (Property)
The TypeSaisie property lets you know or modify the type of input allowed by a field: Duration, Date, Numerical, ...
WDBal messaging: Writing a message
WDBal, the secure messaging provided with WINDEV, WEBDEV and WINDEV Mobile, allows you to easily write a message......
Automatic data file modification
The automatic data file modification updates the description of data files on user computers......
Telemetry: Configuring the WINDEV and WINDEV Mobile applications
To use the telemetry in a WINDEV or WINDEV Mobile application, you must......
HTML table
The HTML Table control allows you to create specific layouts in HTML pages......
HFSQL and Docker
Docker is a software platform that allows you to run applications in software containers on Linux (Docker runs like a daemon)......
CallInterface (Function)
Runs a method of an interface of an object implemented in a DLL external to the WINDEV framework.
External language: Programming in Pascal
We are going to call the elements developed in WINDEV (project, windows, ......
HCreateView (Function)
Creates an HFSQL view. This function uses the former view mechanism....
zipExtractFile (Function)
Extracts a file from an archive and automatically decompresses it to a physical location or in memory.
dSaveImageJPEG (Function)
Saves an image: in a JPEG file. in memory....
Close (Function)
Closes a WINDEV window (and returns a value if necessary).