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...
CallInterface (Function)
Runs a method of an interface of an object implemented in a DLL external to the WINDEV framework.
COMCallMethod (Function)
Runs a method of an interface of a COM object instantiated by COMCreateInstance.
HTTPSend (Function)
Sends an HTTP request and waits for the response from the HTTP server.
Simplify your searches
Detection (Property)
The Detection property is used to determine and change the automatic detection of incoming streams. If the stream detection is enabled, the streams allows the detection.
InputType (Property)
The InputType property is used to identify or change the type of input supported by a control: Duration, Date, Numeric, etc.
Context menu of windows (AAF)
The popup menu of the windows (right mouse click on the window) contains the following options......
Characteristics of the Looper control in a page
To view the characteristics of the control, select "Description" in the context menu....
Modified (Property)
The Modified property is used to determine if a control or group of controls has been modified by the user (keyboard or mouse input).
How to develop a PHP site?
What is a PHP site?......
Installing and configuring HFSQL Cluster
Required configuration and overview for installing HFSQL Cluster....
Opening a help file (CHM, HTML or PDF)
There are several ways to open a help file......
ListSelectMinus (Function)
Deselects an element in a List Box, ListView or Combo Box control.
HTML Display control processes
WINDEV and WINDEV Mobile include different WLanguage events associated with HTML Display Controls......
Handling Button controls programmatically
WINDEV, WINDEV Mobile and WEBDEV allow you to programmatically handle Button controls......
Choose the type of image: dynamic, static, generated, ...
The images are often used to illustrate the site pages......
Android Widget windows
An Android application can contain one or more Widget windows......
Decoding bar codes using a Camera control
In iOS and Android, bar codes can be decoded via the Camera control using BCCapture......
Creating the executable and the setup program
WINDEV Tutorial - Deploying an application Creating the executable and the setup program - 30 min
1. Project audits
WINDEV Tutorial: Optimizing a project Lesson 1 - Project audits - 15 min
MatExist (Example)
Usage example of the MatExist function