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...
WDSetup: Managing additional languages
The "WDSetup" project corresponds to the standard setup program of WINDEV applications......
Manipulating Radio Button controls programmatically
WINDEV, WEBDEV and WINDEV Mobile allow you to programmatically manipulate Radio Button controls......
PositionOccurrence (Function)
Finds the Xth position of a string within another string.
Management of Google documents
Google Docs and Google Spreadsheet are the online word processing and the online spreadsheet proposed by Google......
AppointmentAdd (Function)
Adds an appointment: in a Lotus Notes or Outlook calendar. in a calendar on a mobile device (Android or iOS)....
GetDefinition (Function)
Retrieves the definition of element type.
ChronoPause (Function)
Pauses a stopwatch in order to measure the time spent on a process.
Description of ParallelTask (Type of variable)
The Description of ParallelTask type is used to define the characteristics of a parallel task.
dPolyline (Function)
Draws a line composed of multiple segments.
Memory (Property)
The Memory property determines if the specified control is populated programmatically or is based on a data file.
fDataDir (Function)
Returns the full path of the directory of HFSQL data files specified by the user when installing the application.
fRead (Function)
Reads: a block of bytes (characters) in an external file (ANSI or Unicode), the content of an external file (ANSI or Unicode) and assigns it to a memory area....
WDADMINEXE : Controlling the application remotely
The remote control of a WINDEV application allows the manager of an application used in network to manage the automatic or forced shutdown of the application for all the current users......
SemaphoreCreate (Function)
Creates a semaphore.
fDate (Function)
Returns or modifies the different dates associated with a file or directory (date created, modified or accessed).
HSetReplication (Function)
Temporarily disables (or re-enables) the replication.
EmailReadLastHeader (Function)
Reads the header of last incoming email according to the protocol used (POP3 or IMAP, Lotus Notes or Outlook).
EmailReadFirstHeader (Function)
Reads the header of the first incoming email according to the protocol used (POP3 or IMAP, Lotus Notes or Outlook).
EmailReadPreviousHeader (Function)
Reads the header of the email found before the current email according to the protocol used (POP3 or IMAP, Lotus Notes or Outlook).
EmailReadNextHeader (Function)
Reads the header of the email found after the current email according to the protocol used (POP3 or IMAP, Lotus Notes or Outlook).
fRename (Function)
Modifies the name of a file.
DateSys (Function)
Returns or modifies the system date (current date defined on the current computer).