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...
zipInfoFile (Function)
Returns the characteristics of a file found an archive: The name of the file and its stored path. The initial size of the file. The compressed size of file. The date and time of file creation. The date and time of file modification. The date and time of file access. The file attributes. The file encryption mode....
dSaveImageGIF (Function)
Saves an image: in a file in GIF format. in memory....
dSaveImageBMP (Function)
Saves an image: in a file in BMP format. in memory....
dSaveImagePNG (Function)
Saves an image: in a PNG file. in memory....
dSlice (Function)
Draws a circle section or an ellipse section: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable....
Check Box control properties
Several WLanguage properties can be used on the Check Box controls found in a window, in a page or in a report......
Token
The Token keyword can correspond to...
Monochrome (Property)
The Monochrome property determines whether an image should be used in monochrome mode.
WDModFic : Tool for automatic modification of data files
WDModFic is a tool used to perform the automatic modification of the data files found on the development computer and on the end-user computers......
iWindowCancel (Function)
Configures the print cancel window.
The different types of buttons in a window
WINDEV and WINDEV Mobile include 5 types of buttons......
Guided Tour
A Guided Tour presents a series of features, displayed in a tooltip in the current window or page......
Conversion (Function)
Converts a value from a unit to another one.
Zooming an image (WEBDEV)
WEBDEV proposes several methods for zooming an image:...
14. PHP generation in practice
Viewing a report in 3D
Your report displays controls that overlap?......
Viewing a window in 3 dimensions
Your window contains overlapping controls?......
Instantiation of an object
To access a class, the object must be declared as being part of the class to handle, this is called object instantiation......
Managing cookies
A cookie is an easy way to temporarily store information on the user's computer......
Style of windows: image and background color
To optimize the style of your screens, WINDEV and WINDEV Mobile allow you to use......
Info (Function)
Displays a custom message in a system information window.
Manipulating Bar Code controls programmatically
WINDEV, WEBDEV and WINDEV Mobile allow you to programmatically manipulate Bar Code controls......
Testing an iOS application on a mobile device
When developing an application for iOS (iPhone or iPad), WINDEV Mobile allows you to test the application being developed without having to recompile it on Mac, but directly on the iPhone or iPad......