ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

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...
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, ...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
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...
Creating an insert query
An insert query (corresponding SQL statement...
FTPName (Function)
Returns the name of last file accessed by an FTP function (File Transfer Protocol).
HCreationIfNotFound (Function)
Performs the following operations: If the file does not exist, creates an empty data file (".FIC" file) with the index file and the memo file if necessary. The function is equivalent to HCreation. If the file exists, opens the file....
REST Services: Prologue procedure (executed before each call)
It is now possible to specify in the description of a Webservice that a procedure must be called (and executed automatically) each time a Webservice is called......
Scheduler control events
The following events associated with Scheduler controls:...
hScheduledTask (Type of variable)
The hScheduledTask type is used to manage a scheduled HFSQL Client/Server task through programming......
appServerScheduledTask (Type of variable)
The appServerScheduledTask type is used to manage a scheduled task of WEBDEV Application Server through programming (for a site or a webservice).
ControlClone (Function)
Creates a new control from an existing control.
BTChangeVisibility (Function)
Changes the visibility of a Bluetooth radio.
ToClipboard (Function)
Writes text or image information into the system clipboard.
Native xBase/FoxPro Connector
WINDEV and WEBDEV offer a Native xBase/FoxPro Connector (or Native xBase/FoxPro Access) module......
BurnerVolumeName (Function)
Allows you to find out or modify the name of the CD or DVD to burn.
fSaveBuffer (Function)
Creates and fills a text file with the content of a string or buffer variable.
fCompress (Function)
Compresses a file.
LoadParameter (Function)
Reads a persistent value.
fDateTime (Function)
Returns or modifies the different dates and times associated with a file or directory (date created, modified or accessed).
dRotation (Function)
Performs a rotation: of an Image control. of an Image variable. of a picLayer variable....
Right (Function)
Extracts the last characters from a string or string buffer.
UnicodeToAnsi (Function)
Converts: a UNICODE string to ANSI (Windows). a buffer containing a UNICODE string to a buffer containing an ANSI string (Windows)....
1. WLanguage functions specific to WEBDEV