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...
ExecuteAAF (Function)
Runs an Automatic Application Feature (AAF) on a control or window.
dLine (Example)
Usage example of the dLine function
dPoint (Example)
Usage example of the dPoint function
WinGiveSuitableWidth (Function)
Returns the width of a window, adapted to the content of controls.
WinGiveSuitableHeight (Function)
Returns the height of a window, adapted to the content of controls.
MaskFormat (Function)
Formats a character string using an InputMask variable.
dArc (Function)
Draws an arc of circle or an arc of ellipse: in an Image control, in an Image variable, in a WDPic variable (on the background layer), in a picLayer variable....
Close (Function)
Closes a WINDEV window (and returns a value if necessary).
ExecutionMode (Function)
Allows you to: find out and/or modify the behavior of the application or site when some errors are generated. optimize the calls to the functions declared externally. find out and/or change how the application uses JITc. find out and/or modify the management mode of low references for all the instantiated objects....
HDescribeFile (Function)
Describes a table programmatically.
dRectangle (Example)
Usage example of the dRectangle function
Inserting an image or video into a help page
It can be useful to use images or videos in help pages to explain the actions to be done, indicate which buttons must be used, etc....
SpellSuggest (Function)
Returns the list of possible words found in the dictionary of OpenOffice that can correct a word that is misspelled.
dCircle (Example)
Usage example of the dCircle function
Drag and Drop
Drag and Drop is used to transfer data between several controls with the mouse. This data can be moved between several controls found in the same application or in different applications....
Waffle charts
Waffle charts show progress towards a goal, percentage of completion or the distribution of given values......
Height (Property)
The Height property gets and sets the height of an element.
Linux application: Tips and tricks
In Windows/Linux multi-configuration applications, several limitations may appear: control not supported, functions not available, ......
Developing 64-bit sites
You can deploy 64-bit compatible sites......
16. Java applications in practice
Java applications in practice...