ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries...
HSuggestKeyEnd (Function)
Finishes collecting information on executed queries.
Project comparator
Comparing two windows (two pages, two reports, two classes, ...
Items used in a select query
A query created in the query editor can contain several types of items...
Sort order of records found in a select query
To make the result of a query easier to read, the records can be sorted according to one or more items...
Create an insert query
An insert query (corresponding SQL statement...
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...
Joins between the data files of a select query
When several data files are used in a query, the query editor automatically searches for the links between these files defined in the analysis...
HSuggestKey (Function)
Returns a list of keys to add to data files to improve query performance.
HSuggestKeyStart (Function)
Starts collecting information on executed queries.
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
Example for creating a select query
This help page explains how to create two select queries...
Test of a query
The query editor allows you to run the test of query result...
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...
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...
Diagram constants
The following constants are used to manage diagrams:...
Data persistence
The data persistence is used to store the value typed by the user......
Managing space characters in the searches?
Spelling check functions
The following functions are used to manage the spelling checker:
WDInst: Configuring the uninstaller
The application uninstaller is the application that allows the end user to uninstall the application....
Code statistics
The code statistics affect......
WDInst: handling the files to install
By default, the files to install are......
WDInst: Configuring the automatic data file modification
The automatic data file modification updates the description of data files on user computers......
Defining clickable areas
In a page, an Image control can contain clickable areas......
RTFWithImagesAndTables (Property)
The RTFWithImagesAndTables property is used to manage images and tables in RTF Static controls in a report.
Prototype overload/Overload
The procedures and the methods of classes can have several syntaxes....
Find out the account that runs the AWP protocol
Manipuler un champ Editeur_Images_WB par programmation
Abre una ventana cuyo resultado se recuperará a través de una Procedure WLanguage ("callback").
Automatic Application Features (AAF)
The Automatic Application Features (AAF) allow you to add features to your application without having to write a single line of code......
NullIfEmpty (Property)
The NullIfEmpty property is used to: Find out whether the value returned by the control is NULL if its content is empty. Configure the value returned by the control if its content is empty....
Keyboard shortcut on a button (AAF)
In an application developed with WINDEV, the user has the ability to implement a keyboard shortcut on a button......
Handling a TreeView control at runtime
When the TreeView control is in edit, the user can expand or collapse the different levels of the tree structure by clicking the treeview elements....
The Toolbar control
The Toolbar control is an advanced type of control, linked to a window......
picRTF (Type of variable)
The picRTF type is used to define all the advanced characteristics of a layer that contains RTF.
Extracting the text of the project
The following text can be extracted......
WDOptimizer: Optimizing indices
WDOptimizer includes multiple modes to optimize indices......
Replication server for the assisted universal replication
The assisted universal replication can use a replication server......
picText (Type of variable)
The picText type is used to define all the advanced characteristics of a Text layer.
Code style
A code style is used to automatically prefix the name of all the variables and project elements (windows, report controls, classes, etc....
Saving entered data (AAF)