ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Environment of the query editor
When creating a class in the code editor, the Constructor and Destructor methods are automatically created by default...
Creating a query
Two methods can be used to create a query...
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file...
Sort order of records found in a select query
To make the result of a query easier to read, the records can be sorted according to one or more items...
Modifying the values displayed in the result of a select query
In the result of a select query, you have the ability to only display...
Select query description window
The description window of a select query includes several sections...
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries...
Test of a query
The query editor allows you to run the test of query result...
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
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...
Items used in a select query
A query created in the query editor can contain several types of items...
Select query: Displaying the first/last n records
The editor of Select queries is used to limit the number of records that will be displayed in the result of the query.
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
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...
Example for creating a select query
This help page explains how to create two select queries...
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...
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...
HSuggestKeyEnd (Function)
Finishes collecting information on executed queries.
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
Creating a delete query
A delete query (corresponding SQL statement...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Creating a select query
A select query (corresponding SQL statement...
fChangeSize (Function)
Resizes an external file.
SysColor (Function)
Identifies or modifies the color of a Windows element.
EmailDeleteMessage (Example)
Usage example of the EmailDeleteMessage function
Clipboard (Function)
Retrieves the text or image found in the system clipboard.
fTime (Function)
Returns or modifies the different times associated with a file or directory (date created, modified or accessed).
Null (Property)
The Null property is used to: Assign NULL to the item for the current record. Find out whether the item is associated with the NULL value for the current record. Define the default value of an item when the item is described through programming....
SocketCreate (Function)
Creates a socket.
fWrite (Function)
Writes: a character string into an external file. a memory section....
fAttribute (Example)
Usage example of the fAttribute function
Native MySQL Connector for WINDEV and WEBDEV
WINDEV and WEBDEV propose a Native Connector for MySQL......
Custom properties (WLanguage)
A custom property is a code element with two events......
Developing an iOS 13 widget
An iOS widget is an application intended to be displayed as a widget on iOS devices (iPhone, iPad, etc.
2. Performance profiler
WEBDEV Tutorial - Optimizing a WEBDEV project Lesson 2 - Performance profiler - 15 min
TableSearch (Function)
Performs a search in: a Table control, a TreeView Table control, a table displayed in a Combo Box control....
EmailNbMessage (Function)
Returns the number of incoming messages currently found: on the email server (POP3 protocol only). in the Outlook messaging software....
ReplicOpen (Function)
Opens a replication in direct mode or with a replication server.
iPrintSignature (Function)
Prints an image of the signature in a rectangular area.
Generation of a class diagram using reverse engineering
WINDEV, WINDEV Mobile and WEBDEV allow you to create the class diagram of an application using reverse engineering (files "......
Directory (Property)
The Directory property is used to manage the physical directory of HFSQL files.
TextItemCompleted (Property)
The TextItemCompleted property is used to manage text items in an HFSQL data file.
Secure (Property)
The Secure property is used to configure the security level of data file encryption.
HListConnection (Function)
Returns the list of connections currently described in the application.
Analysis shared between earlier WINDEV applications and WINDEV 2024 applications
An analysis can be shared between a WINDEV application......
CursorOptions (Property)
The CursorOptions property is used to manage the type of cursor used for a connection (Native Connectors, OLE DB, etc.).
XLS file handling functions
List of functions for managing XLS files...