ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
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, ...
Creating an insert query
An insert query (corresponding SQL statement...
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...
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...
HDescribeItem (Function)
Describes a file item programmatically.
fLock (Function)
Entirely or partially locks an external file.
SocketConnect (Function)
Connects a client computer to a given socket.
HSeekLast (Function)
Sets the position on the last file record whose value for a specific item is less than or equal to a sought value.
TimerSys (Function)
Periodically and automatically calls a WLanguage procedure.
TelemetryAddPassage (Function)
Signals the code execution for a passage sensor.
AuthIdentify (Function)
Performs an authentication using the OAuth 2.0 protocol on any webservice.
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
Creating a service with WINDEV
A service is a specific type of application intended to be run without any user intervention......
Automatic AJAX
The diagram below presents the automatic and immediate use of AJAX in a WEBDEV site......
iPrintBodyComplement (Function)
Forces a body complement block to print while specifying the height of complement block.
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....
Creating an executable without library
When creating an executable, you can choose not to use a library or not to include all the elements of the project in the library......
Now (Function)
Returns or modifies the system time (current time defined for the current computer).
FTPConnect (Function)
Connects the current computer to an FTP server (File Transfer Protocol).
InternetConnected (Function)
Defines whether an Internet connection is enabled on the current computer. In mobile, you can also be notified when the status of the Internet connection changes.