ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Creating a delete query
A delete query (corresponding SQL statement...
HSuggestKey (Function)
Returns a list of keys to add to data files to improve query performance.
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, ...
Creating a query
Two methods can be used to create a query...
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...
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
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...
Code history
The code history is used to...
Environment of the query editor
Creating a select query
A select query (corresponding SQL statement...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
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...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Select query description window
The description window of a select query includes several sections...
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...
Modifying the values displayed in the result of a select query
In the result of a select query, you have the ability to only display...
Test of a query
The query editor allows you to run the test of query result...
Select query: Displaying the first/last n records
The editor of Select queries is used to limit the number of records that will be displayed in the result of the 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...
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file...
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...
Handling ListView controls programmatically
WINDEV allows you to programmatically handle ListView controls......
AppDetectUPDAvailable (Function)
Disables or customizes the automatic check for available updates.
LooperMoveLine (Function)
Moves a row or swaps two rows in a Looper control.
ChronoResume (Function)
Restarts a stopwatch that was stopped by ChronoEnd or ChronoPause.
FontCharset (Property)
The FontCharset property is used to: Find out the character set used by the screen fonts of a control. Modify the character set used by the screen fonts of a control....
fCreate (Function)
Creates an external file.
FTPRenameFile (Function)
Renames or moves a file found on an FTP server (File Transfer Protocol).
FTPMakeDir (Function)
Creates a directory on an FTP server (File Transfer Protocol).
FTPRemoveDir (Function)
Deletes a directory and its content (files and sub-directories) from an FTP server (File Transfer Protocol).
FTPDeleteFile (Function)
Deletes a file from an FTP server (File Transfer Protocol).
EmailReadNextHeader (Function)
Reads the header of the email found after the current email according to the protocol used (POP3 or IMAP, Lotus Notes or Outlook).
dTextMarkdown (Function)
Draws Markdown text: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable]....
Sitemap file for Google
To better analyze the content of the sites, the search engine of Google is using an XML file named "Sitemap" (if it is available)......
Image (Type of variable)
The Image type is used to define the advanced characteristics of an image.
1. Application overview
WINDEV Mobile tutorial: Developing an Android and iOS application Lesson 1 - Application overview - 10 min
1. Project audits
WEBDEV Tutorial - Optimizing a WEBDEV project Lesson 1 - Project audits - 15 min
EmailSendMessage (Function)
Sends an email using a given protocol (SMTP, MS Exchange, Lotus Notes, Outlook).
WBSetup: Managing additional languages
The "WBSetup" project corresponds to the standard setup program of WEBDEV sites......
Managing pinned projects
The home window of WINDEV, WEBDEV and WINDEV Mobile allows you to manage the pinned projects when opening an existing project......
InfoAsynchronous (Function)
Displays a non-blocking custom message in a system information window.
Variable scope
Variables can be declared anywhere in the code....
List of operators
WINDEV License Agreement
WINDEV License Agreement...
Tile (Type of variable)
The Tile type is used to defined all the advanced characteristics of a tile for an application in Universal Windows 10 App mode.
File Description (Type of variable)
The File Description variable is used to programmatically describe data files.